0byt3m1n1

Path: /data/40/5/122/64/5448064/user/6519071/htdocs/wp-content/plugins/ [ Home ]
File: default_library_puvox.php
<?php
 
	// ====================================================================================================================== //
	// =================================================    Puvox.software    =============================================== //
	// ====================================================================================================================== //
	// =================================     Default library used by all of our plugins   =================================== //
	// ====================================================================================================================== //
	// ====================================================================================================================== //


/**
 * Base Library Class for all our plugins.
 *
 * @package   Puvox.software plugin
 * @author    T.Todua <contact@puvox.software>
 * @license   GPL-3.0+
 * @link      https://puvox.software
 * @copyright 2018-2019 Puvox.software
 *
*/

if(!trait_exists('default_methods__Puvox_Software')) 
{
  trait default_methods__Puvox_Software
  {
		public function __construct($arg1=false)
		{
			$this->is_development 	= defined("_puvox_machine_") ;			// set in devmachine (in "my_superglobals.php" and in "EnvVariables")
			if($this->is_development)	$this->display_errors();
			$this->ip				= $this->get_visitor_ip();
			$this->isMobile			= false;
			$this->isWP				= $wp=defined("ABSPATH");
			
			// #### Because this is a trait, we don't use "__FILE__" & "__DIR__" here, but "Reflection". ####
			$reflection				= (new \ReflectionClass(__CLASS__));
			$this->plugin_NAMESPACE	= $reflection->getNamespaceName(); 					// get parent's namespace name
			$this->prefix			= strtolower( preg_replace('![^A-Z]+!', '', $this->plugin_NAMESPACE) );// get prefix from current namespace initials (i.e. xyz)
			$this->prefix_			= $this->prefix .'_';
			$this->plugin_FILE		= $reflection->getFileName(); 						// set plugin's main file path
			$this->plugin_DIR		= dirname($this->plugin_FILE);						// set plugin's dir	path

			// if this class is (or not) used as just helper library
			if ($this->isWP)
			{
				$this->plugin_URL		= plugin_dir_url($this->plugin_FILE);				// get plugin's dir URL
				$this->wp_URL 			= network_home_url('/');							// WP installation home 
				$this->wp_FOLDER 		= network_home_url('/', 'relative');				// WP folder 
				$this->home_URL			= home_url('/');									// current sub/site home url
				$this->home_FOLDER		= home_url('/', 'relative');						// current sub/site home folder
			}
			else
			{
				if (property_exists($this, 'urls'))
				{
					$this->urls();
					//	$this->plugin_URL		=  ;
					//	$this->wp_URL 			= ;
					//	$this->wp_FOLDER 		= ;
					//	$this->home_URL 		= ;
					//	$this->home_FOLDER 		= ;
				}
			}

			$this->is_https			= ((!empty($_SERVER['HTTPS']) && $_SERVER['HTTPS']!=='off') || $_SERVER['SERVER_PORT']==443);
			$this->httpsCurrent		= $this->is_https ? 'https://' : 'http://';
			$this->httpsReal		= preg_replace('/(http(s|):\/\/)(.*)/i', '$1', $this->home_URL);
			$this->domainCurrent	= $_SERVER['HTTP_HOST'];
			$this->domainReal		= $this->getDomain($this->home_URL);
			$this->domain			= $this->httpsReal.$this->domainReal;
			$this->siteslug			= str_ireplace('.','_',   $this->domainReal);
			$this->requestURI		= $_SERVER["REQUEST_URI"];
			$this->urlAfterHome		= substr($this->requestURI, strlen($this->home_FOLDER) );
			$this->pathAfterHome	= parse_url($this->urlAfterHome, PHP_URL_PATH);
			$this->current_URL		= $this->domain . $this->requestURI;	
			$this->currentURL		= $this->current_URL;	//shortand
			$this->homeUrlStripped	= $this->stripUrlPrefixes($this->home_URL);
			$this->is_localhost 	= (stripos($this->home_URL,'://127.0.0.1')!==false || stripos($this->home_URL,'://localhost')!==false );

			
			
			#region  ################ IF USED IN WP PLUGIN  ################			
			if ($this->isWP)
			{
				$this->is_settings_page = false;
				$this->wpdb 			= $GLOBALS['wpdb'];
				$this->options_tabs 	= [];
				
				if ($this->old_version()){
					register_activation_hook( $this->plugin_FILE,	function(){ exit( __("Sorry, your PHP version ". phpversion() ." is very old. We suggest changing your hosting's PHP version.") ); }	);
					return;
				}

				// initial variables
				$this->my_plugin_vars();
				$this->network_managed	= is_multisite() && $this->getNetworkedState();
				$this->opts				= $this->refresh_options();							// Setup final variables
				$this->refresh_options_TimeGone();
				$this->logs_table_name	= $this->get_prefix_CHOSEN() . $this->plugin_slug_u.'__errors_log';	// error logs table name
				$this->logs_table_maxnum= 100;	// maximum rows in errors logs table
				$this->check_if_pro_plugin();
				$this->__construct_my();													// All other custom construction hooks
												$pgnm = property_exists($this,'customOptsPageUrl') ? $this->customOptsPageUrl : $this->slug;
				$this->settingsPHP_page	= ( array_key_exists('menu_button_level', $this->static_settings) && $this->static_settings['menu_button_level']=="mainmenu" ) ? 'admin.php' : (is_network_admin() || $this->network_managed ? 'settings.php' : 'options-general.php');
				$this->plugin_page_url_current	= ( is_network_admin() || $this->network_managed ? network_admin_url($this->settingsPHP_page) : admin_url($this->settingsPHP_page) )	.'?page='.$pgnm; 
				$this->plugin_page_url_main		= ( is_multisite() ? network_admin_url($this->settingsPHP_page) : admin_url($this->settingsPHP_page) )	.'?page='.$pgnm; 
				$this->plugin_files		= array_merge( (property_exists($this, 'plugin_files') ? $this->plugin_files : [] ),   ['index.php'] );
				$this->translation_phrases= $this->get_phrases();
				$this->is_in_customizer	= (stripos($this->currentURL, admin_url('customize.php')) !== false);
				$this->myplugin_class	= 'myplugin postbox version_'. (!$this->static_settings['has_pro_version']  ? "free" : ($this->is_pro_legal ? "pro" : "not_pro") );
				$this->addon_namepart	= 'puvox.software';
				
				$this->define_option_tabs();

				//activation & deactivation (empty hooks by default. all important things migrated into `refresh_options`)
				register_activation_hook( $this->plugin_FILE,	[$this, 'activate']		);
				register_deactivation_hook( $this->plugin_FILE, [$this, 'deactivate']	);

				//translation hook
				add_action('init', [$this, 'load_textdomain'] );

				//==== my other default hooks ===//
				$this->setupLinksAndMenus();

				//shortcodes
				$this->shortcodes_initialize();

				// if buttons needed
				$this->tinymce_funcs();

				// for backend ajax
				add_action( 'wp_ajax_'.$this->plugin_slug_u.'_all',	[$this, 'ajax_backend_call'] );

				add_action( 'admin_head', [$this,'admin_head_func']);
				add_action( 'current_screen', function(){ $this->admin_scripts(null); } );

				//add uninstaller file
				if(is_admin()) $this->add_default_uninstall();	//add_action( 'shutdown', [$this, 'my_shutdown_for_versioning']);

				add_action('wp',		[$this, 'flush_checkpoint'], 999);

				// functions for PRO-ADDON upload
				// add_filter( 'pre_move_uploaded_file', function( $null, $file, $new_file, $type ){ return $path; }, 10, 4);
				$this->pro_file_part = 'puvox-software';
				if($this->static_settings['has_pro_version']) 	{
					add_filter( 'upload_mimes', [$this,'upload_mimes_filter'], 1); 
					add_filter( 'wp_handle_upload', [$this,'wp_handle_upload_filter'], 10, 2);
				}
			}
			#endregion ############################################3
		}

		public function setupLinksAndMenus()
		{
			// If plugin has options   
			if($this->static_settings['show_opts'])
			{
				//add admin menu
				if (is_multisite()){
					add_action('network_admin_menu', [$this, 'register_menus'] );
					if (!$this->network_managed)
						add_action('admin_menu', [$this, 'register_menus'] );
				}
				else {
					add_action('admin_menu', [$this, 'register_menus'] );
				}		
				//redirect to settings page after activation (if not bulk activation)
				add_action('activated_plugin', function($plugin) { if ($this->is_not_bulk_activation($plugin))  { exit( wp_redirect($this->plugin_page_url_main.'&isactivation') ); } } );
			}

			// add Settings & Donate buttons in plugins list
			add_filter( (is_network_admin() ? 'network_admin_' : ''). 'plugin_action_links_'.plugin_basename($this->plugin_FILE),  function($links){
				if(!$this->static_settings['has_pro_version'])	{ $links[] = '<a href="'.$this->static_settings['donate_url'].'">'.$this->static_settings['menu_text']['donate'].'</a>'; }
				if($this->static_settings['show_opts']){ $links[] = '<a href="'.$this->plugin_page_url_current.'">'.$this->static_settings['menu_text']['settings'].'</a>';  }
				if(isset($this->opts['custom_opts_page'])){ $links[] = '<a href="'.$this->opts['custom_opts_page'].'">'.$this->static_settings['menu_text']['settings'].'</a>';  }
				//if(is_network_admin() && $this->initial_static_options['allowed_on'] =='singlesite'){ unset($links['activate']); $links[] = '<b style="color:red;">'.$this->static_settings['menu_text']['deactivated_only_from'].' SUB-SITES</b>';  }
				return $links;
			});
		}
		
		public function register_menus()
		{
			$menu_button_name = (array_key_exists('menu_button_name', $this->static_settings) ? $this->static_settings['menu_button_name'] : $this->opts['name'] );
			if( array_key_exists('menu_button_level', $this->static_settings) && $this->static_settings['menu_button_level']=="mainmenu" )
																																						// icons: https://goo.gl/WXAYCi 
				add_menu_page($menu_button_name, $menu_button_name, $this->static_settings['required_role'] , $this->slug, [$this, 'opts_page_output_parent'], $this->static_settings['menu_icon'] );
			else 
				add_submenu_page($this->settingsPHP_page, $menu_button_name, $menu_button_name, $this->static_settings['required_role'] , $this->slug,  [$this, 'opts_page_output_parent'] );

			// if target is custom link (not options page)
			if(array_key_exists('menu_button_link', $this->opts)){
				add_action( 'admin_footer', function (){
						?>
						<script type="text/javascript">
							jQuery('a.toplevel_page_<?php echo $this->slug;?>').attr('href','<?php echo $this->opts['menu_button_link'];?>').attr('target','_blank');
						</script>
						<?php
					}
				);
			}
		}
		
		public function old_version(){
			return version_compare(phpversion(), '5.4', '<');
		}

		// ================  dont use activation/deactivation hooks =====================//
		public function activate($network_wide)
		{
			if ( is_multisite() && !$network_wide && !is_network_admin() )
			{
				$text= '<h2><code>'.$this->opts['name'].'</code>: '. $this->static_settings['menu_text']['activated_only_from']. ' <b style="color:red;">NETWORK DASHBOARD</b></h2>';
				//$text .=  '<script>alert("'.strip_tags($text).'");</script>';
				die($text);
			}
			//$this->plugin_updated_hook();
			if(method_exists($this, 'activation_funcs') ) {   $this->activation_funcs();  }
		}
		/*
		public function activate_old($network_wide){
			$actKey = $this->slug.'_activat';
			$show_die=isset($_GET['action']) && $_GET['action']=='error_scrape';
		
			//if activation allowed from only on multisite or singlesite or Both?
			if(!$show_die)
			{
				if (get_site_option($actKey))
				{
					$show_die=true;
					delete_site_option($actKey);
				}
				else 
				{
					$show_die= ! $this->if_correct_activable($network_wide) ;
					if($show_die) 
					{
						//update_site_option($actKey,true);
					}
				}
			}
			
			if($show_die) {
				$text= '<h2>('.$this->opts['name'].') '. $this->static_settings['menu_text']['activated_only_from']. ' <b style="color:red;">'.strtoupper($this->opts['allowed_on']).'</b> </h2>';
				//$text .=  '<script>alert("'.strip_tags($text).'");</script>';
				die($text);
			}
			//$this->plugin_updated_hook();
			if(method_exists($this, 'activation_funcs') ) {   $this->activation_funcs();  }
		}
		public function if_correct_activable($network_wide=false)
		{
			return !is_multisite() ? true : ( $this->initial_static_options['allowed_on'] == 'both' ?  true :  (   ($this->initial_static_options['allowed_on'] =='network' && is_network_admin() ) || ( $this->initial_static_options['allowed_on'] =='singlesite' && (!$network_wide && !is_network_admin()) ) ) );
		}
		*/

		public function deactivate($network_wide){
			if(method_exists($this, 'deactivation_funcs') ) {   $this->deactivation_funcs($network_wide);  }
		}


		//add my default values
		public function my_plugin_vars($step=0)
		{
			//get default plugin data: https://goo.gl/Z3z8FW
			include_once(ABSPATH . "wp-admin/includes/plugin.php");
			$plugin_vars = $this->pluginvars();
			$this->slug			= sanitize_key($plugin_vars['TextDomain']);	//same as foldername
			$this->plugin_slug	= $this->slug;								//same as foldername
			$this->plugin_slug_u= str_replace('-','_', $this->slug);

			$domain ='https://puvox.software' ; // $this->is_development && !property_exists($this,'avoid_localhost_development') ? 'https://puvox.software' ://https://127.0.0.1/wp/puvox.software
			$this->static_settings	= $plugin_vars   +   array(
				'menu_text'			=> array(
					'donate'				=>__('Donate'),
					'settings'				=>__('Settings'),
					'open_settings'			=>__('You can access settings from dashboard of:'),
					'activated_only_from'	=>__('Plugin activable only from'),
					'deactivated_only_from'	=>__('Plugin deactivable only from'),
				),
				'lang'				=> $this->get_locale__SANITIZED(),
				'wp_rate_url'		=> 'https://wordpress.org/support/plugin/'.$this->slug.'/reviews/#new-post',
				'public_assets_url'	=> 'https://ps.w.org/internal-functions-for-protectpages-com-users/trunk/',
				'question_mark_icon'=> 'https://ps.w.org/internal-functions-for-protectpages-com-users/trunk/assets/question-mark-2.png',
				'donate_url'		=> 'https://paypal.me/Puvox', // business: http://paypal.me/Puvox   ||  personal : http://paypal.me/tazotodua
				'mail_errors'		=> 'wp_plugin_errors@puvox.software',
				'licenser_domain'	=> $domain,
				'musthave_plugins'	=> $domain.'/blog/must-have-wordpress-plugins/',
				'purchase_url'		=> $domain.'/?purchase_wp_plugin='.$this->slug,
				'purchase_check'	=> $domain.'/?purchase_wp_act=',
				'wp_tt_freelancers'	=> 'https://goo.gl/wZKANN',
				'wp_fl_freelancers'	=> 'https://goo.gl/JSVy37',
				'wp_pph_freelancers'=> 'https://goo.gl/vhrqiM'
			);
			
			//enrich from main class
			$this->declare_settings(); 
			$this->static_settings					= $this->static_settings + $this->initial_static_options;
		}

		//load translation
		public function load_textdomain(){
			load_plugin_textdomain( $this->slug, false, basename($this->plugin_DIR). '/languages/' );
		}

		public function is_not_bulk_activation($plugin)
		{
			return ( $plugin == plugin_basename( $this->plugin_FILE ) && !((new WP_Plugins_List_Table())->current_action()=='activate-selected'));
		}

		public function pluginvars(){
			/*
			[Name] => My Plugin Name
			[PluginURI] => https://example.com
			[Version] => 1.23
			[Description] => Plugin Description. By [Author].
			[Author] => myAuthorTitle
			[AuthorURI] => https://example.com/xyz
			[TextDomain] => my-plugin-name
			[DomainPath] => /languages
			[Network] => 
			[Title] => My Plugin Name
			[AuthorName] => Author Name
			*/
			return get_plugin_data( $this->plugin_FILE, $markup = true, $translate = false);    //dont $translate, otherwise you will get error of: https://core.trac.wordpress.org/ticket/43869
		}

		//get latest options (in case there were updated,refresh them)
		public function refresh_options(){
			$this->opts	= $this->get_option_CHOSEN($this->slug, []);
			if(!is_array($this->opts)) $this->opts = $this->initial_user_options;
			foreach($this->initial_user_options as $name=>$value){ if (!array_key_exists($name, $this->opts)) { $this->opts[$name]=$value;  $should_update=true; }  }
			$this->opts = array_merge($this->opts, $this->initial_static_options);
			$this->opts['name']		=$this->static_settings['Name'];
			$this->opts['title']	=$this->static_settings['Title'];
			$this->opts['version']	=$this->static_settings['Version'];
			if(isset($should_update)) {	$this->update_opts(); }
			return $this->opts;
		}

		public function refresh_options_TimeGone(){
			//if never updated
			if(empty($this->opts['last_update_time'])) {
				$this->opts['last_update_time'] = time();   $should_update=true;
			}
			if(empty($this->opts['last_updates'])) {
				$this->opts['last_updates'] = [];   $should_update=true;
			}
			if(empty($this->opts['fist_install_date'])) {
				$this->opts['fist_install_date'] = time();  $should_update=true;
			}
			//if plugin updated through hook or manually... to avoid complete break..
			if( empty($this->opts['last_version']) || $this->opts['last_version'] != $this->opts['version'] ){
				$this->opts['last_version'] = $this->opts['version'];
				$should_update=true;
				$reload_needed=true;
			}
			if(isset($should_update)) {	$this->update_opts(); }
			if(isset($reload_needed)) { $this->plugin_updated_hook(true); }
		}

		
		public function reset_plugin_to_defaults()
		{
			$this->update_opts([]) ;
			$this->update_phrases([]) ;
			if(property_exists($this, 'plugin_reset_callback'))   $this->plugin_reset_callback();
		}

		//update library file on activation/update
		public function plugin_updated_hook($redirect=false)
		{
			return;	
		}

		// quick method to update this plugin's opts
		public function optName($optname, $prefix=false){
			if( substr($optname,  0, 1) == '`'  ) {  $prefix=true;  $optname= substr($optname,1); }
			return ( !$prefix || stripos($optname, $this->slug) !== false )  ? $optname :  $this->slug . '_' . $optname;
		}

		public function update_opts($opts=false){
			return $this->update_option_CHOSEN($this->slug, ( $opts!==false ? $opts : $this->opts) );
		}

		public function get_option_CHOSEN($optname, $default=false        				, $prefix=false){
			return call_user_func("get_".		( $this->network_managed ? "site_" : "" ). "option",  $this->optName($optname, $prefix), $default );
		}
		public function update_option_CHOSEN($optname, $optvalue, $autoload=null		, $prefix=false){
			return call_user_func("update_".	( $this->network_managed ? "site_" : "" ). "option",  $this->optName($optname, $prefix), $optvalue, $autoload );
		}
		public function delete_option_CHOSEN($optname									, $prefix=false){
			return call_user_func("delete_".	( $this->network_managed ? "site_" : "" ). "option",  $this->optName($optname, $prefix) );
		}

		public function get_transient_CHOSEN($optname, $default=false        			, $prefix=false){
			return call_user_func("get_".		( $this->network_managed ? "site_" : "" ). "transient",  $this->optName($optname, $prefix), $default );
		}
		public function update_transient_CHOSEN($optname, $optvalue, $autoload=null		, $prefix=false){
			return call_user_func("set_".		( $this->network_managed ? "site_" : "" ). "transient",  $this->optName($optname, $prefix), $optvalue, $autoload );
		}
		public function delete_transient_CHOSEN($optname								, $prefix=false){
			return call_user_func("delete_".	( $this->network_managed ? "site_" : "" ). "transient",  $this->optName($optname, $prefix) );
		}

		public function delete_transients_by_prefix_CHOSEN($myPrefix					, $prefix=false){
			global $wpdb;
			$myPrefix 		= sanitize_key($myPrefix);
			$table_name		= $this->network_managed ? $wpdb->base_prefix.'sitemeta' : $wpdb->prefix .'options' ;
			$column_name	= $this->network_managed ? 'meta_key' : 'option_name';
			$sql = "delete from $table_name where $column_name like '%_transient_$myPrefix%' or $column_name like '%_transient_timeout_$myPrefix%'";
			return $wpdb->query($sql);
		}
		
		public function get_prefix_CHOSEN(){
			return ($this->network_managed ? $GLOBALS['wpdb']->base_prefix : $GLOBALS['wpdb']->prefix);
		}
	
		public function getNetworkedState(){
			return get_site_option( $this->slug . '_network_managed', $this->initial_static_options['default_managed']=='network' );
		}

		public function updateNetworkedState($value){
			return update_site_option( $this->slug . '_network_managed', $value );
		}
		
		//when is_admin or when page is unknown (for example, custom page or "wp-login.php" or etc... )
		public function Is_Backend(){
			$includes=get_included_files();
			$path	= str_replace( ['\\','/'], DIRECTORY_SEPARATOR, ABSPATH);
			return (is_admin() || in_array($path.'wp-login.php', $includes) || in_array($path.'wp-register.php', $includes) );
			//return (!!array_intersect([$ABSPATH_MY.'wp-login.php',$ABSPATH_MY.'wp-register.php'] , get_included_files())) ;
		}
		
		public function is_gutenberg($active=true){
			return ( function_exists( 'is_gutenberg_page' ) && (!$active || is_gutenberg_page() ) );
		}
		
		public function is_gutenberg_page($active=true){
			if (is_admin()) {
				global $current_screen;
				if (!isset($current_screen)) {$current_screen = get_current_screen();}
				if ( method_exists($current_screen, 'is_block_editor') && $current_screen->is_block_editor() ||  $this->is_gutenberg(true) ) {
					return true;
				}
			}
			return false;
		}

		//Get Blog slug, i.e. "subdir"  from "http://example.com/subdir/"
		public function get_blog_name(){
			if(is_multisite()){
				global $blog_id;
				$current_blog_details = !function_exists('get_blog_details') ? get_site($blog_id) : get_blog_details( ['blog_id' => $blog_id] );
				$b_slug = basename($current_blog_details->path);
				return $b_slug;
			}
			return false;
		}
		
		//CHECK IF USER IS ADMIN
		public function is_administrator()	{ if (function_exists('current_user_can') || require_once(ABSPATH.'wp-includes/pluggable.php')) return (current_user_can('install_plugins')); return false; }
		public function is_editor()	{ if (function_exists('current_user_can') || require_once(ABSPATH.'wp-includes/pluggable.php')) return (current_user_can('edit_others_posts')); return false; }

		public function phrase($key, $is_variable=false) {
			if($is_variable){
				if (!isset($this->translation_phrases[$key])){
					$this->translation_phrases[sanitize_title($key)] = sanitize_title($key);
					$this->update_phrases();
				}
			}
			return ( isset($this->translation_phrases[$key]) ? $this->translation_phrases[$key] : $key ); 
		}

		public function string_to_truefalse($string) { return ( $string ==='true' ? true : ($string ==='false' ? false : $string)); }
		public function truefalse_to_string($string) { return ( $string === true ? 'true' : ($string ===false ? 'false' : $string)); }

		public function string_to_array($string){ return array_map('trim', array_filter( explode(',', $string) ) ); }
		public function array_to_string($array)	{ return implode(",",  array_map('trim',array_filter($array)) ); }

		//convert unsorted array (i.e. [ 'first'=>["a","b","c"], 'second'=>[1,2,3] , ] ) to associative   [ "a"=>1, "b"=2 ]
		public function array_to_associative($array) {
			
		}

		public function add_prefix_to_array_keys($array, $prefix){
			$new_array =[];
			foreach ($array as $k => $v) {
				$new_array[$prefix.$k] = $v;
			}
			return $new_array;
		}

		public function get_visitor_ip() {
			$proxy_headers = array("CLIENT_IP", "FORWARDED", "FORWARDED_FOR", "FORWARDED_FOR_IP", "HTTP_CLIENT_IP", "HTTP_FORWARDED", "HTTP_FORWARDED_FOR", "HTTP_FORWARDED_FOR_IP", "HTTP_PC_REMOTE_ADDR", "HTTP_PROXY_CONNECTION", "HTTP_VIA", "HTTP_X_FORWARDED", "HTTP_X_FORWARDED_FOR", "HTTP_X_FORWARDED_FOR_IP", "HTTP_X_IMFORWARDS", "HTTP_XROXY_CONNECTION", "VIA", "X_FORWARDED", "X_FORWARDED_FOR");
			foreach($proxy_headers as $proxy_header) {
				if (isset($_SERVER[$proxy_header])) {
					if(preg_match("/^([1-9]|[1-9][0-9]|1[0-9][0-9]|2[0-4][0-9]|25[0-5])(\.([0-9]|[1-9][0-9]|1[0-9][0-9]|2[0-4][0-9]|25[0-5])){3}$/", $_SERVER[$proxy_header])) {
						return $_SERVER[$proxy_header];
					}
					else if (stristr(",", $_SERVER[$proxy_header]) !== FALSE) {
						$proxy_header_temp = trim(array_shift(explode(",", $_SERVER[$proxy_header])));
						if (($pos_temp = stripos($proxy_header_temp, ":")) !== FALSE) {$proxy_header_temp = substr($proxy_header_temp, 0, $pos_temp); }
						if (preg_match("/^([1-9]|[1-9][0-9]|1[0-9][0-9]|2[0-4][0-9]|25[0-5])(\.([0-9]|[1-9][0-9]|1[0-9][0-9]|2[0-4][0-9]|25[0-5])){3}$/", $proxy_header_temp)) { return $proxy_header_temp; }
					}
				}
			}
			return $_SERVER["REMOTE_ADDR"];
		}

		public function arrayToObject($array) { return json_decode(json_encode($array)); }
		public function objectToArray($object){ return json_decode(json_encode($object), true); }

		public function mail_scrambler($email) {  return str_replace('@', '&#64;', $email);}

		/*
		public function shortcode_handler($atts, $content=false){
			$d=debug_backtrace()[0];
			if(!empty($d['args']))
			{
				if(!empty($d['args'][2]))
				{
					$name = $d['args'][2];
					$args = $this->shortcode_atts($name, $atts);
					return call_user_func( [$this, $name], $args, $content);
				}
			}
		}
		*/

		public function sqlResultsToArray($tableName, $first_key, $second_key=false, $data_key=false)
		{ 
			$array=$this->objectToArray($GLOBALS['wpdb']->get_results("SELECT * FROM ". $tableName));

			$new_array=[];
			foreach($array as $id=>$block)
			{
				if(array_key_exists($first_key, $block))
				{
					if ($second_key)
					{
						if(array_key_exists($second_key, $block))
						{
							$new_array[$block[$first_key]][$block[$second_key]] = $data_key ? json_decode($block[$data_key]) : $block;
						}
					}
					else
					{
						$new_array[$block[$first_key]] = $data_key ? json_decode($block[$data_key]) : $block;
					}
				}
			}
			return $new_array;
		}


		public function convert_urls_in_text($text) {
			return preg_replace('@([^\"\']https?://([-\w\.]+)+(:\d+)?(/([\w/_\.%-=#][^<]*(\?\S+)?)?)?)@', '<a href="$1">$1</a>', $text);
		}

		public function randomString($length = 11) {
			return substr(str_shuffle(str_repeat($x='0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ', ceil($length/strlen($x)) )),1, $length);
		}

	
		
		public function PlainString(&$text1=false,&$text2=false,&$text3=false,&$text4=false,&$text5=false,&$text6=false,&$text7=false,&$text8=false){
			for($i=1; $i<=8; $i++){    if(${'text'.$i}) {${'text'.$i} = preg_replace('/\W/si','',${'text'.$i});} 	}
			return $text1;
		}

		public function getDomain($url){
			return preg_replace('/http(s|):\/\/(www.|)(.*?)(\/.*|$)/i', '$3', $url);
		}

		public function adjustedUrlPrefixes($url){
			if(strpos($url, '://') !== false){
				return preg_replace('/^(http(s|)|):\/\/(www.|)/i', 'https://www.', $url);
			}
			else{
				return 'https://www.'.$url;
			}
		}

		public function remove_www($url) 	{ 
			return str_replace( ['://www.'], '://', $url ); 
		}

		public function remove_https_www($url){
			return str_replace( ['https://www.','http://www.','http://','https://'], '', $url ); 
		}

		public function normalize_with_slashes($url, $add_trailing_slash=true){ 
			return rtrim( $this->OneSlash($url), '/')  . ($add_trailing_slash ? '/' : '') ; 
		}

		public function OneSlash($url){
			$prefix='';
			if(substr($url,0,2)=='//'){
				$prefix = '//';
				$url=substr($url,2);
			}
			return $prefix.preg_replace( '/([^:])\/\//',  '$1/', $url);
		}
		
		public function stripUrlPrefixes($url){
			return preg_replace('/http(s|):\/\/(www.|)/i', '',  $url);
		}

		public function stripDomain($url){
			return str_replace( $this->adjustedUrlPrefixes($this->domainReal), '', $this->adjustedUrlPrefixes($url) );
		}

		public function safemode_basedir_set(){
			return ( ini_get('open_basedir') || ini_get('safe_mode') ) ;
		}

		public function try_increase_exec_time($seconds){
			if( ! $this-> safemode_basedir_set() ) {
				@set_time_limit($seconds);
				@ini_set('max_execution_time', $seconds);
				$this->try_increase_memory(512);
				return true;
			}
			return false;
		}
		public function try_increase_memory($limit=512){
			if( ! $this-> safemode_basedir_set() ) {
				$limitBytes = $limit * 1048576;
				$currentLimit = (int) trim(ini_get('memory_limit'));
				$lastChar = strtolower($currentLimit[strlen($currentLimit)-1]);
				switch($lastChar) {
					case 'g': $currentLimit *= 1024;
					case 'm': $currentLimit *= 1024;
					case 'k': $currentLimit *= 1024;
				}
				if ($currentLimit < $limitBytes)
					return ini_set('memory_limit', $limit . 'M');
			}
			return false;
		}

		
		public function get_locale__SANITIZED(){
			return ( get_locale() ? "en" : preg_replace('/_(.*)/','',get_locale()) ); //i.e. 'en'
			//$x=$GLOBALS['wpdb']->get_var("SELECT lng FROM ".$this->options." WHERE `lang` = '".$lang."'"); return !empty($x);
			// preg_replace('/[^\w\d_\-]/', '',  filter_var($input,	FILTER_SANITIZE_STRING)	);
		}


		public function is_this_settings_page(){
			return 
			(
				is_admin() && 
				(
				(
					(stripos(get_current_screen()->base, $this->slug) !== false)  &&  (isset($_GET['page']) && $_GET['page']==$this->slug)
				)
				||
				( property_exists($this,'customOptsPageUrl') && stripos($this->currentURL, $this->customOptsPageUrl) !==false )
				)
			);
		}

		public function blog_prefix()
		{
			$blog_prefix = '';
			if ( is_multisite() && ! is_subdomain_install() && is_main_site() && 0 === strpos( get_option( 'permalink_structure' ), '/blog/' ) ) {
				$blog_prefix = '/blog';
			}
			$this->blog_prefix = $blog_prefix;
			return $blog_prefix;
		}

		public function path_after_blog()
		{
			$prf = $this->blog_prefix();
			$path = $this->pathAfterHome; 
			return ( ($prf=="/blog") ? str_replace('/blog/', '', '/'.$path) : $path );
		}

		public function readUrl( $url){
			return wp_remote_retrieve_body(  wp_remote_get( $url )  );
		}

		public function checkMyselfAgainstModification()
		{
			//if ($this->is_development) return;
			$name = '_puvox_default_lib_last_revision';
			$opt= $this->get_option_CHOSEN($name, 0 );
			$days=7;
			if( time() - $opt > $days* 86400 )
			{
				//$wp_url  =readUrl   
				//https://plugins.trac.wordpress.org/browser/simple-post-views-count/trunk/default_library_puvox.php
				update_option_CHOSEN($name, time() );
			}
			if(time() - $opt < 0 ){
				update_option_CHOSEN($name, 0 );
			}
		}

		public function set_cookie($name, $val, $time_length = 86400, $path=false, $domain=false, $httponly=true){
			$site_urls = parse_url( (function_exists('home_url') ? home_url() : $_SERVER['SERVER_NAME']) );
			$real_domain = $site_urls["host"];
			$path = $path ? $path : ( (!empty($this) && property_exists($this,'home_FOLDER') ) ?  $this->home_FOLDER : '/');
			$domain = $domain ? $domain : (substr($real_domain, 0, 4) == "www.") ? substr($real_domain, 4) : $real_domain;
			setcookie ( $name , $val , time()+$time_length, $path = $path, $domain = $domain,  $only_on_secure_https = FALSE,  $httponly  );
		}

		public function microtime_float()
		{
			list($usec, $sec) = explode(" ", microtime());
			return ((float)$usec + (float)$sec);
		}

		public function MessageAgainstMaliciousAttempt(){
			return 'Not allowed. Try again.';//'Well... I know that these words won\'t change you, but I\'ll do it again: Developers try to create a balance & harmony in internet, and some people like you try to steal things from other people. Even if you can it, please don\'t do that.';
		}

		public function FullIframeScript(){ ?>
			<script>
			function MakeIframeFullHeight_tt(iframeElement, cycling, overwrite_margin){
				cycling= cycling || false;
				overwrite_margin= overwrite_margin || false;
				iframeElement.style.width	= "100%";
				var ifrD = iframeElement.contentDocument || iframeElement.contentWindow.document;
				var mHeight = parseInt( window.getComputedStyle( ifrD.documentElement).height );  // Math.max( ifrD.body.scrollHeight, .. offsetHeight, ....clientHeight,
				var margins = ifrD.body.style.margin + ifrD.body.style.padding + ifrD.documentElement.style.margin + ifrD.documentElement.style.padding;
				if(margins=="") { margins=0; if(overwrite_margin) {  ifrD.body.style.margin="0px"; } }
				(function(){
					var interval = setInterval(function(){
					if(ifrD.readyState  == 'complete' ){
						setTimeout( function(){
							if(!cycling) { setTimeout( function(){ clearInterval(interval);}, 500); }
							iframeElement.style.height	= (parseInt(window.getComputedStyle( ifrD.documentElement).height) + parseInt(margins)+1) +"px";
						}, 200 );
					}
					},200)
				})();
					//var funcname= arguments.callee.name;
					//window.setTimeout( function(){ console.log(funcname); console.log(cycling); window[funcname](iframeElement, cycling); }, 500 );
			}
			</script>
			<?php
		}




		// ======== manual stripslashes_deep ========
		public function array_map_recursive(callable $func, array $array) {
			return filter_var($array, \FILTER_CALLBACK, ['options' => $func]);
		}
		
		public function array_map_deep( $value, $callback ) 
		{
			if ( is_array( $value ) ) {
				foreach ( $value as $index => $item ) {
						$value[ $index ] = $this->array_map_deep( $item, $callback );
				}
			} elseif ( is_object( $value ) ) {
				$object_vars = get_object_vars( $value );
				foreach ( $object_vars as $property_name => $property_value ) {
						$value->$property_name = $this->array_map_deep( $property_value, $callback );
				}
			} else {
				$value = call_user_func( $callback, $value );
			}
			return $value;
		}
		public function stripslashes_from_strings_only( $value ) {
			return is_string( $value ) ? stripslashes( $value ) : $value;	
		}
		public function stripslashes_deep($value){ return $this->array_map_deep($value, [$this,'stripslashes_from_strings_only'] ); }
		// ================================================




		public function cookieFuncs(){
		?>
		<script>
		// ================= create, read,delete cookies  =================
		function Is_Cookie_Set_tt(cookiename) { return document.cookie.indexOf('; '+cookiename+'=');}

		function createCookie_tt(name,value,days) {
			var expires = "";
			if (days) {
				var date = new Date();
				date.setTime(date.getTime() + (days*24*60*60*1000));
				expires = "; expires=" + date.toUTCString();
			}
			document.cookie = name + "=" + (value || "")  + expires + "; path=/";
		}
		function readCookie_tt(name) {
			var nameEQ = name + "=";
			var ca = document.cookie.split(';');
			for(var i=0;i < ca.length;i++) {
				var c = ca[i];
				while (c.charAt(0)==' ') c = c.substring(1,c.length);
				if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
			}
			return null;
		}
		function eraseCookie_tt(name) {
			document.cookie = name+'=; Max-Age=-99999999;';
		}
				function setCookie(name,value,days) { createCookie(name,value,days); }
				function getCookie(name) { return readCookie(name); }
				function setCookieOnce(name) { createCookie(name, "okk" , 1000); }
		// ===========================================================================================
		</script>
		<?php
		}


		//only open and close the same-origin creator of session  (argument can be TRUE/FALSE or STRING too
		public function session_state ($arg) { 
			if($arg===true)	{	if(session_status() == PHP_SESSION_NONE)	{ $GLOBALS['my_session_pp']='sess'.rand(1,99999999); session_start();  return $GLOBALS['my_session_pp']; }   	}     
			else			{	if(session_status() == PHP_SESSION_ACTIVE)	{ if(!$arg || $arg==$GLOBALS['my_session_pp']) session_write_close();  }   	}  
		}
		public function set_session_var ($name,$value) {
			$id= $this->session_state(true);
			$_SESSION[$name] = $value;
			$this->session_state($id);
		}
		
		public function startSessionIfNotStarted(){
			if(session_status() == PHP_SESSION_NONE)  { $this->session_being_opened = true; session_start();  }
		}
		public function endSessionIfWasStarted( $method=2){
			if(session_status() != PHP_SESSION_NONE && property_exists($this,"session_being_opened") )  {
				if($method==1) session_destroy();
				elseif($method==2) session_write_close();
				elseif($method==3) session_abort();
			}
		}



		
		public function array_value($array, $key){
			return (array_key_exists($key, $array) ? $array[$key] : '');
		}

		public function nextKeyInArray($target_keyname, $array){
			$keys = array_keys($array);
			$index_of_target_keyname = array_search($target_keyname,  $keys , true);
			return (count($array) > $index_of_target_keyname+1 ) ? $keys[$index_of_target_keyname+1]  :  $keys[0];
		}

		public function nextValueInArray($target_value, $array, $by_key=false){
			$keys = array_keys($array);
			$target_keyname = $by_key ? $target_value : array_search($target_value,  $array, true );
			$index_of_target_keyname = array_search($target_keyname,  $keys, true );
			return (count($array) > $index_of_target_keyname+1 ) ? $array[ $keys[$index_of_target_keyname+1] ]  :  $array[  $keys[0]  ];
		}

		public function getIndexOfKey($array, $key){
			return array_search($key, array_keys($array) );
		}
		public function getIndexOfValue($array, $key){
			return array_search($key, $array );
		}

		public function getMemberByIndex($array, $idx){
			$keys= array_keys($array);
			return (!empty($keys) && !empty($array[$keys[$idx]])) ? $array[$keys[$idx]] : null ;
		}

		public function resortArrayByKey($array, $key, $remove_current= false){
			$remaining =  array_splice ($array, $this->getIndexOfKey($array, $key)   );
			if($remove_current){
				$array[$key]= $remaining[$key];
				unset($remaining[$key] );
			}
			return array_merge($remaining, $array);
		}


		public function insertValueAtPosition($arr, $insertedArray, $position) {
			$i = 0;
			$new_array=[];
			foreach ($arr as $key => $value) {
				if ($i == $position) {
					foreach ($insertedArray as $ikey => $ivalue) {
						$new_array[$ikey] = $ivalue;
					}
				}
				$new_array[$key] = $value;
				$i++;
			}
			return $new_array;
		}



		//i.e.  123424235.325434645
		public function decimal_outputer($input, $length=4, $only_dot=false){  
			$timeParts = explode('.', $input);
			return ($only_dot ? '' : $timeParts[0] . '.') . substr($timeParts[1], 0, $length); //sprintf('%.4F',$input); 
		}

		public function arrayPhpToJs($array){
			return '["'. implode('","', $array) .'"]';
		}

		public function ListAllInDir($path, $only_files = false) {
			$all_list = new \RecursiveIteratorIterator(
					new \RecursiveDirectoryIterator($path, \FilesystemIterator::SKIP_DOTS),
					( $only_files ? \RecursiveIteratorIterator::LEAVES_ONLY : \RecursiveIteratorIterator::SELF_FIRST )
			);
			$files = [];
			foreach ($all_list as $file)
				$files[] = $file->getPathname();

			return $files;
		}


		public function replace_occurences_in_dir($dir_base, $from, $to, $exts=array('php','shtml') ){
			$dirIterator = $this->ListAllInDir($dir_base, true);
			foreach($dirIterator as $idx => $value) {
				$filext = pathinfo($value, PATHINFO_EXTENSION);
				if( in_array($filext,  $exts ) ){
					$cont = file_get_contents($value);
					if(stripos($cont, $from) !== false){
						$new_cont = str_replace($from, $to, file_get_contents($value) );
						file_put_contents($value, $new_cont);
					}
				}
			}
		}

		public function replace_in_file($file, $from_pattern, $to){
			if(file_exists($file))
			{
				$cont= file_get_contents($file);
				$new_cont= preg_replace($from_pattern, $to, $cont);
				file_put_contents($file, $new_cont);
			}
		}

		public function update_or_insert($tablename, $NewArray, $WhereArray=[]){	global $wpdb; $arrayNames= array_keys($WhereArray);
			//convert array to STRING
			$o=''; $i=1; foreach ($WhereArray as $key=>$value){ $o .= $key . ' = \''. $value .'\''; if ($i != count($WhereArray)) { $o .=' AND '; $i++;}  }
			//check if already exist
			if(!empty($o)){
				$CheckIfExists = $wpdb->get_var("SELECT ".$arrayNames[0]." FROM ".$tablename." WHERE ".$o);
				if ( $wpdb->update($tablename,	$NewArray,	$WhereArray	) ) return true;
			}
			if ( $wpdb->insert($tablename, 	array_merge($NewArray, $WhereArray)	) ) return true;
			return false;
		}

		public function startsWith($haystack, $needle) {   return $needle === "" || strrpos($haystack, $needle, -strlen($haystack)) !== false; }
		public function endsWith($haystack, $needle) { $length = strlen($needle);  return $length === 0 ||  (substr($haystack, -$length) === $needle); }
		public function contains($content, $needle, $case_sens= true){ return ($case_sens ? strpos($content, $needle) : stripos($content, $needle)) !== false;  }

		// ================ flash rules ================= //
		// unique func to flush rewrite rules when needed. if not hooked into wp_footer, hangs plugin options resaving 
		public function flush_rules_if_needed($temp_key=false){
			// lets check if refresh needed
			$key="b".get_current_blog_id()."_". md5(    (empty($temp_key) ?  "sample" : ( stripos($temp_key, basename($this->plugin_DIR)) !== false ? md5(filemtime($temp_key)) : $temp_key ))    );
			if( !array_key_exists($key, $this->opts['last_updates']) || $this->opts['last_updates'][$key] < $this->opts['last_update_time']){
				$this->opts['last_updates'][$key] = $this->opts['last_update_time'];
				$this->update_opts();
				add_action('wp_footer', function(){ $this->flush_rules("js"); } );
			}
		}

		public function is_JSON_string($string){
			return (is_string($string) && is_array(json_decode($string, true)));
		}

		public function arrayed_json($answer){
			$result = [];
			if(!$this->is_JSON_string($answer)){
				$result['error'] = $answer;
			}
			else{
				$result = json_decode($answer, true);
			}
			return $result;
		}

		public function arrayed_answer($answer){
			$result = [];
			if(!$this->is_JSON_string($answer)){
				$result['error'] = $answer;
			}
			else{
				$result = json_decode($answer, true);
			}
			return $result;
		}


		public function flush_rules($redirect=false){
			flush_rewrite_rules();
			if($redirect) {
				if ($redirect=="js"){ $this->js_redirect(); }
				else { $this->php_redirect(); }
			}
		}
		
		public function flush_rules_checkmark($redirect=false){
			flush_rewrite_rules();
			$this->opts['needs_flushing'] = true; $this->update_opts();
			if($redirect) {
				if ($redirect=="js"){ $this->js_redirect(); }   else { $this->php_redirect(); }
			}
		}
		public function flush_checkpoint(){
			if(isset($this->opts['needs_flushing']))
			{
				unset($this->opts['needs_flushing']);
				$this->update_opts();
				$this->flush_rules(true);
			}
		}
		

		// TODO - handle $_POST
		public function disable_cache($hard=false, $file=false){
			header("Expires: Mon, 4 Jan 1999 12:00:00 GMT");        // Expired already 
			header("Last-Modified: ".gmdate("D, d M Y H:i:s")." GMT");     
			header("Cache-Control: no-cache, must-revalidate");      // good for HTTP/1.1 
			header("Pragma: no-cache"); 
			if($hard){
				if(!isset($_GET['rand']))
					$this->php_redirect( $this->AddStringToUrl($_SERVER['REQUEST_URI'], 'rand='.rand(1,9999999) )   );
			}
			ini_set("opcache.enable", 0); 
			if($file){
				opcache_invalidate($file);
			}
		}

		public function AddStringToUrl($url, $string){
			return $url .( stripos($url,'?')===false ?  '?'.$string :  '&'.$string);
		}

		public function js_redirect($url=false, $echo=true){
			$str = '<script>document.body.style.opacity=0; window.location = "'. ( $url ?: $_SERVER['REQUEST_URI'] ) .'";</script>';
			if($echo) { exit($str); }  else { return $str; }
		}
		public function php_redirect($url=false, $code=302){
			header("location: ". ( $url ?: $_SERVER['REQUEST_URI'] ), true, $code); exit;
		}

		public function js_redirect_message($message, $url=false){
			echo '<script>alert(\''.$message.'\');</script>';
			$this->js_redirect($url);
		}

		public function mkdir_recursive($dest, $permissions=0755, $create=true){
			if(!is_dir($dest)){
				//at first, recursively create directory if doesn't exist
				if(!is_dir(dirname($dest))){ $this->mkdir_recursive(dirname($dest), $permissions, $create); }
				mkdir($dest, $permissions, $create); 
			}
			else{return true;}
		}

		public function mkdir($dest, $permissions=0755, $create=true){
			return $this->mkdir_recursive($dest, $permissions, $create);
		}
		
		public function rmdir_recursive($path){
			if(!empty($path) && is_dir($path) ){
				$dir  = new RecursiveDirectoryIterator($path, RecursiveDirectoryIterator::SKIP_DOTS); //upper dirs not included,otherwise DISASTER HAPPENS :)
				$files = new RecursiveIteratorIterator($dir, RecursiveIteratorIterator::CHILD_FIRST);
				foreach ($files as $f) {if (is_file($f)) {unlink($f);} else {$empty_dirs[] = $f;} } if (!empty($empty_dirs)) {foreach ($empty_dirs as $eachDir) {rmdir($eachDir);}} rmdir($path);
				return true;
			}
			return true;
			//include_once(ABSPATH.'/wp-admin/includes/class-wp-filesystem-base.php');
			//\WP_Filesystem_Base::rmdir($fullPath, true);
		}

		public function file_put_contents($file, $content) {
			if(!empty($file))
			{
				$this->mkdir(dirname($file));
				file_put_contents($file,$content);
			}
		}

		public function fileUrl($file){
			return $this->plugin_URL."/$file?vers_=".$this->filedate($this->plugin_DIR. "/$file");
		}
		public function filedate($file){
			return date("Y-M-D--H-i-s", filemtime($file) ); 
		}
		// ================ flash rules ================= //

		public function add_prefix_to_object_keys($object, $prefix){
			$new_object = new stdClass();
			foreach ($object as $k => $v) {
				$new_object->{$prefix . $k} = $v;
			}
			return $new_object;
		}

		public function dieMessage($txt){
			echo
			'<div style="padding: 50px; margin:100px auto; width:50%; text-align:center; line-height: 1.4; display:flex; justify-content:center; flex-direction:column; font-family: cursive; font-size: 1.7em; box-shadow:0px 0px 10px gray; border-radius: 10px;">'.
				'<div><h3>'.$txt.'</h3></div>'.
			'</div>';
			exit;
		}
	
		public function create_log_table()
		{
			return $GLOBALS['wpdb']->query("CREATE TABLE IF NOT EXISTS `". $this->logs_table_name ."` (
					`id` int(50) NOT NULL AUTO_INCREMENT,
					`gmdate` datetime, 
					`function_args` longtext NOT NULL,
					`message` longtext NOT NULL, 
					`backtrace` longtext NOT NULL, 
					PRIMARY KEY (`id`),
					UNIQUE KEY `id` (`id`)
				)  DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_520_ci AUTO_INCREMENT=1" 
				//	)  " . $wpdb->get_charset_collate()   || DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_520_ci AUTO_INCREMENT=1
			);  // or die("error_2345_". $wpdb->print_error())	//CHARACTER SET utf8mb4
		}

		public function clear_errorslog(){ return $GLOBALS['wpdb']->query("TRUNCATE TABLE ".$this->logs_table_name );	} 
		public function get_errorslog()	{  return $GLOBALS['wpdb']->get_results("SELECT * from ".$this->logs_table_name."");	}

		//i.e. $this->log("couldnt get results", '<code>'.print_r($response, true).'</code>' );
		public function log( $message ="", $exception="", $retrying=false)
		{	global $wpdb; 
			$this->trim_errorslog();
			$trace=debug_backtrace(); array_shift($trace); $last_func = $trace[0];//$trace=array_splice($trace, 0, 6); //get only first 6 functions 
			$chain=""; foreach($trace as $e) {$chain=$e['function']."->".$chain;} 
			$res = $wpdb->insert( $this->logs_table_name, $arr=[ 
				'gmdate'=> gmdate("Y-m-d H:i:s"), 
				'function_args'=>  $chain ." :: ". print_r($last_func['args'],true), 
				'message'=>print_r($message, true). "\r\n".print_r($exception, true)] 
			);
			if(!$res && !$retrying){
				$this->create_log_table();
				$this->log( $message, $exception, true); 
			}
			return $res;
		}

		// Removes  oldest rows if rows count exceeds the limit
		public function trim_errorslog()
		{ 
			$rows_amount = $GLOBALS['wpdb']->query("SELECT COUNT(*) FROM ".$this->logs_table_name ." GROUP BY `id`");
			if( $rows_amount > $this->logs_table_maxnum )	
			{
				$amount_to_delete=$rows_amount - $this->logs_table_maxnum;
				return $GLOBALS['wpdb']->query("DELETE FROM ". $this->logs_table_name. " WHERE 1=1 LIMIT " . $amount_to_delete ); 
			}
			return null;
		}  

		public function send_error_mail($error){
			return wp_mail($this->static_settings['mail_errors'], 'wp plugin error at '. home_url(),  (is_array($error) ? print_r($error, true) : $error)  );
		}
		public function sanitizer($text)	{ return preg_replace('/\W/si','',$text); }
		public function remove_double_slashes($input){$x=$input;   $x=str_replace('//','/', $x);  $x=str_replace('\\\\','\\', $x);  return str_replace(':/','://',$x);}
		
		public function question_mark($text, $dialog=0) {
			$mouseover='';
			$content = '';
			if($dialog==0){
				$content = $text;
			}
			else if($dialog==1){
				$content = '';
				$mouseover = ' onmouseover="jQuery(\'#\'+this.parentNode.id).tooltip({ items:this,   content:\''.$text.'\', show: { effect: \'blind\', duration: 800 } 	}).tooltip(\'open\');"'; 	
			}
			else if($dialog==2){
				$content = '';
				$mouseover = ' onmouseover="jQuery(\'<div>'.$text.'</div>\').dialog({   modal:true,   width:600 });"';
			}
			return '<span id="xx"><img src="'. $this->static_settings['question_mark_icon'] .'" class="question_mark" style="cursor:none; width:20px;" alt="'.$content.'" title="'.$content.'" '.$mouseover.' /></span>';
		}

		public function serialize_argv($argvs)
		{
			if(empty($argvs) || !is_array($argvs)) return $argvs;
		
			$new_ar=[];
			foreach($argvs as $key=>$value)
			{
				if(stripos($value,'=')===false)
				{
					$new_ar[$key] = $value;
				}
				else{
					parse_str($argvs[$key], $params);
					$key1=array_keys($params)[0];
					if(!empty($argvs) && is_array($params))
						$new_ar[$key1] =  $params[$key1];
				}
					
			}
			return $new_ar;
		}
		
		// get_remote_data :: removed per WP Reviewer request ( code available at: https://github.com/tazotodua/useful-php-scripts/blob/master/get-remote-url-content-data.php )
		

		// ====================== tinymce buttons ==================== //
		public function tinymce_funcs()
		{
			// Add button in TinyMCE
			if( !empty($this->tinymce_buttons) ) {
				add_action( 'admin_init', 			function(){
						add_filter( 'mce_external_plugins',	[$this, 'tinymce_js'] );
						add_filter( 'mce_buttons_2',		[$this, 'register_buttons'] );
						//add_filter( 'tiny_mce_version',  function ( $ver ) { return $ver + 3;}  );
				} );
				//tinymce buttons if needed
				$this->tinymce_buttons_body();
				foreach($this->tinymce_buttons as $each_button){
					if( !empty($each_button["shortcode"]) ){
						add_shortcode($each_button["shortcode"], [$this, $each_button["shortcode"]] );
					}
				}
			}
		}


		
		public function array_fields($array, $parent="plugin_slug[sample][sub]", $pairs=false)
		{ 
			echo '<div class="inpHolder">';
			if( empty($array) ){
				$array = [];
			} 

			echo '<div class="inputsBlock">';
			if (is_array($array)) 
			{
				if (!$pairs)
				{
					foreach ($array as $fieldKey=>$value)
					{
						echo $this->field_out_helper1($parent, $fieldKey, $value, $pairs) ;
					}
				}
				else 
				{
					foreach ($array as $fieldKey=>$value)
					{
						echo $this->field_out_helper1($parent, $fieldKey, $value, $pairs) ;
					}
				}
			}

			$fieldKey= "abc_".rand(1,999999)*rand(1,999999);
			$sample_field = $this->field_out_helper1($parent, $fieldKey, "", $pairs, true);
			//echo $sample_field;
			echo '</div>';
			?>
					<?php $unique = $this->sanitizer($parent); ?>
			<a class="button" href="#" onclick="return <?php echo $unique;?>_addNewArrayField_k(this);" class="addNewArrayInput"><?php _e('Add New');?></a>
			<script>
			function <?php echo $unique;?>_addNewArrayField_k(el)
			{ 
				var rand=  Math.random().toString(36).substring(7);
				value="abc_52153157945"
				var newEl = '<?php echo $sample_field;?>'.replace(/value="<?php echo $fieldKey;?>"/g, 'value=""').replace(/<?php echo $fieldKey;?>/g, "abc_" +rand);
				el.parentNode.getElementsByClassName("inputsBlock")[0].insertAdjacentHTML("beforeend", newEl);
				return false;
			}
			</script>
			<?php
			echo '</div>';
		}

		public function field_out_helper1($parent, $key, $value, $pairs, $sample=false)
		{
			$output='<div class="eachInputBlock">';
			if (!$pairs) { 
				$output .= '<input name="'.$parent.'['.$key.']"  class="eachInput each_'.$key.' regular-text" type="text" value="'.$value.'"  placeholder="" />';
			} else { 
				
				$output .= '<input name="'.$parent.'['.$key.'][name]"  class="eachInput each_'.$key.' medium-text _key" type="text" value="'. ($sample ? '' : $key).'"  placeholder="name" />';
				$output .= '<input name="'.$parent.'['.$key.'][value]"  class="eachInput each_'.$key.' medium-text _value" type="text" value="'.$value.'"  placeholder="value" />';
			}
			$output .='</div>';
			return $output;
		}



		public function createHtaccessDirDisableBrowsing($dir)
		{
			$htaccess = $dir .'/.htaccess';
			$myCont = 
			'# Disable Browsing for this directory '."\r\n".
			'<IfModule mod_rewrite.c>'."\r\n".
				'Options -Indexes'."\r\n".
			'</IfModule>';
				//'RewriteEngine on'."\r\n".
				//'RewriteRule !^'.$this->pma_name_randomed.'($|/) http://example.com/good_bye [L,R=301]'."\r\n".
			
			$cont = $myCont . (!file_exists($htaccess) ? "" :  "\r\n\r\n". file_get_contents($htaccess) );
			file_put_contents($htaccess, $cont );

			if (!file_exists($x=$dir .'/index.html')) 
				file_put_contents($x, " ");
		}

		public function arrayFieldsResort($ar)
		{
			$new=[];
			foreach($ar as $key=>$val)
			{
				$new[ sanitize_text_field($val["name"]) ] = sanitize_text_field($val["value"]);
			}
			return $new;
		}


		public function get_fb_name_regex($fb_url){
			preg_match('/'.preg_quote('^(?:https?://)?(?:www.|m.|touch.)?(?:facebook.com|fb(?:.me|.com))/(?!$)(?:(?:\w)#!/)?(?:pages/)?(?:[\w-]/)?(?:/)?(?:profile.php?id=)?([^/?\s])(?:/|&|?)?.*$/'), $fb_url, $n);
			return $n[1];
		}
		
		// public function NonceCheck($value, $action_name){if ( !isset($value) || !wp_verify_nonce($value, $action_name) ) { die("error_5151, Refresh the page");}}	















		
		public function shortcode_alternative_message($name, $params_name=false)
		{
			?>
			<div class="alertnative_to_shortcodes">
				<h2><?php _e('(Alternatives to shortcode)'); ?></h2>
				<?php _e('Note, you can always use programatical approach using:'); ?> 
				<br/> <code>&lt;?php echo do_shortcode('[.....]'); ?&gt;</code>
				<br/> or 
				<br/> <code>&lt;?php if (function_exists('<?php echo $name;?>'))		{ echo <?php echo $name;?>(["arg1"=>"value1", ...]); } ?&gt;</code>
			</div>
			<?php
		}












		public function define_translations_exist(){
			//check if translations exist
			$last_vers  = get_site_option($this->slug . '_transl_lastvers');
			if( ! $last_vers || $last_vers != $this->static_settings["Version"] ){
				update_site_option('transl_lastvers', $this->static_settings["Version"]);
				$res = !empty($this->phrases_array());
				update_site_option($this->slug . '_transl_exists', $res);
				return $res;
			}
			return get_site_option($this->slug . '_transl_exists');
		}	


		// settings page
		public function define_option_tabs(){
			if(!is_admin()) return;
			
			$this->show_tabs	= $this->static_settings['display_tabs'];
			$this->options_tabs	= array_merge( 
				["Options"],
				$this->options_tabs, 
				property_exists($this,'shortcodes') ? ['Shortcodes'] : [],
				( $this->define_translations_exist() ? ["Translations & Phrases"] : [] ),
				["Errors-Log & Reset"]  //( ! property_exists($this, 'errors_tab') || $this->errors_tab ? ['Errors log'] :  []  )
			); 

		}

		public function options_tab($tabs_array =false){
			if(!$tabs_array)  $tabs_array = $this->options_tabs;
			$this->active_tab = $tabs_array[0];
			foreach($tabs_array as $each_tab){
				if (isset($_GET['tab']) && sanitize_key($each_tab)==$_GET['tab'])  
					$this->active_tab=$each_tab;
			}
			echo '<div class="nav-tab-wrapper customNav '. (!$this->show_tabs ? "displaynone" : "") .'">';
			foreach($tabs_array as $each_tab){
				$tab_TITLE = $each_tab=="Shortcodes" ? "Shortcodes & Api" : $each_tab;
				echo '<a  href="'.add_query_arg('tab', sanitize_key($each_tab) ).'" class="nav-tab '. sanitize_key($each_tab).' '. ($this->active_tab == $each_tab ? 'nav-tab-active  whiteback' : ''). '">'. __( $tab_TITLE).'</a>';
			}
			echo '</div>';
		}


		public function opts_page_output_parent($args=false)
		{
			#region - Selector for SETTINGS PAGE
			if(is_network_admin())
			{ 
				if( !empty( $_POST["mng_nonce"] ) && check_admin_referer( "nonce_mng_" . $this->slug, "mng_nonce" ) ) 
				{
					if(isset( $_POST[$this->slug]['managed_from_changer'] ) ){
						$val = in_array($_POST[$this->slug]['managed_from_site'], ['Network-Wide','network']) ;
						$this->network_managed = $val;
						$this->updateNetworkedState($val);
						$this->js_redirect();
					}
				}
				?>
				<style>
				.networked_switcher_itsf_parent {position:relative;}
				.networked_switcher_itsf { box-shadow: 0px 0px 15px #329c1e; z-index: 3; min-width:210px; background:#ffa637; border-radius: 0 10px 0 190px;  border: 2px solid #80808094; padding:2px 10px 4px 30px; position: fixed; top: 32px; right: 0px;  line-height:1.2em; text-align: center; z-index: 77; }
				.networked_switcher_itsf .modeChooser1 { display: flex; flex-direction: row; justify-content: center; align-items: center; }
				@media all and (max-width: 850px) { .networked_switcher_itsf .modeChooser1 { flex-wrap:wrap;}  }
				.networked_switcher_itsf label { padding-right: 20px!important;  border-radius: 0px!important; margin: 2px !important;}
				.networked_switcher_itsf label.networkwide { border-radius: 100px 0px 0px 100px!important;}
				.networked_switcher_itsf label.subsite { border-radius: 0px 100px 100px 0!important;}
				.networked_switcher_itsf input[type="radio"] { margin:2px 0 0 -20px ;}
				</style>
				<div class="networked_switcher_itsf_parent">
					<div class="networked_switcher_itsf">
						<form method="post" action="" name="networked_switcher_form">
						<?php _e("You can change from where you'd like to manage this plugin's settings page"); ?></b>
						<div class="modeChooser1">
					
							<label for="networkwide" class="networkwide button<?php echo $this->network_managed ? "-primary":"";?> "><?php _e("Network dashboard (controls all subsites)");?></label>
							<input id="networkwide" onchange="managed_from_onchanger(this)" type="radio" name="<?php echo $this->slug;?>[managed_from_site]" value="network" <?php checked($this->network_managed);?> />
							<label for="subsite" class="subsite button<?php echo !$this->network_managed ? "-primary":"";?>"><?php _e("Each Sub-Site with own settings page");?></label>
							<input id="subsite" onchange="managed_from_onchanger(this)"  type="radio" name="<?php echo $this->slug;?>[managed_from_site]" value="singlesite" <?php checked(!$this->network_managed);?>  />
							<!--					
							<input type="submit" name="<?php echo $this->slug;?>[managed_from_site]" value="<?php _e("Network-Wide");?>" class="button<?php echo $this->network_managed ? "-primary":"";?>" />
							<input type="submit" name="<?php echo $this->slug;?>[managed_from_site]" value="<?php _e("Per sub-site, individually");?>" class="button<?php echo !$this->network_managed? "-primary":"";?>" />
							-->
							<input type="hidden" name="<?php echo $this->slug;?>[managed_from_changer]" value="ok" />  
							<?php wp_nonce_field( "nonce_mng_".$this->slug, "mng_nonce" ); ?>
						</div>
						</form>
						<script>
						//jQuery(".modeChooser1").controlgroup();
						function managed_from_onchanger(e)
						{
							document.forms["networked_switcher_form"].submit();
							document.getElementById("wpbody").style.opacity = 0.1;
						}
						</script>
					</div>
				</div>
			<?php 
			}
			#endregion

			if ( (is_network_admin() && $this->network_managed) || (!is_network_admin() && !$this->network_managed) ){
				$this->opts_page_output();
			}
			else{
				echo '<div style="display: flex; background: white; flex-direction: column; max-width: 600px; margin: 100px auto; border-radius: 10px; padding: 30px;"><h1>'.__('Plugin is set to be managed per: <span class="perChosen">'. ($this->network_managed ? "Network": "Sub-sites") ).'</span></h1></div>';
			}
		}
		


		public function settings_page_part($type)
		{
			$this->is_settings_page = true;

			if($type=="start")
			{
				if( !empty( $_POST["_wpnonce"] ) && check_admin_referer( "nonce_" . $this->slug, "_wpnonce" ) ) 
				{
					if(!empty($_POST[$this->slug]) ) {
						$this->opts['last_update_time'] = time();
						$this->update_opts();
					}
					
					if(isset( $_POST[$this->slug]['clear_error_logs'] ) ){
						$this->clear_errorslog();
					}

					if(isset( $_POST[$this->slug]['reset_plugin_defaults'] ) ){
						$this->reset_plugin_to_defaults(); $this->js_redirect();
					}

					if(isset( $_POST[$this->slug]['update_transl_phrases'] ) ){
						$this->translation_phrases =  array_map('sanitize_text_field', $_POST[$this->slug]['translation_phrases']);
						$this->update_phrases( $this->translation_phrases ) ;
					}
				} 
				
					
				if( !empty( $_GET["_wpnonce"] ) && check_admin_referer( "nonce_" . $this->slug, "_wpnonce" ) ) 
				{
					if(isset($_GET[$this->slug.'-remove-pro']) ) {
						delete_site_option($this->license_keyname());
						$this->js_redirect(remove_query_arg($this->slug.'-remove-pro'));
					}
				}
				
				?>
				<div class="clear"></div>
				<div class="<?php echo $this->myplugin_class;?>">

					<h1 class="plugin-title"><?php echo $this->opts['name'];?></h1> 
					<?php $this->options_tab();  ?>
					<!-- <h2 class="settingsTitle"><?php _e('Plugin Settings Page!');?></h2> -->
					
						<div class="optwindow">
					<?php



					if ($this->active_tab == "Shortcodes")
					{ 
						echo '<h1 class="shortcodes_maintitle">'. __('Shortcodes Usage').'</h1>';
						
						foreach($this->shortcodes as $key=>$value)
						{
							$this->shortcodes_table($key, $value);
							$this->shortcode_alternative_message($key);
						}


						echo '<div class="hooks_examples">';
						echo '<h1 class="shortcodes_maintitle">'. __('Available hooks (to modify from external functions)') .'</h1>';
						if ( property_exists($this, "hooks_examples") ) {
							foreach ($this->hooks_examples as $key=>$block){
								echo '<div class="hook_example_block '.$key.'">';
								if ($block['type']=='filter'){
									echo '<div class="description">'. __($block['description']) .':</div>';
									echo '<code>add_filter("'.$key.'", "yourFunc", 10, '. count($block['parameters'] ) .' );     function yourFunc($'. implode(', $', $block['parameters'] ).') { ... return $'.$block['parameters'][0].';} </code>'; 
								}
								echo '</div>';
							}
						}
						echo '</div>';
					}



					if ($this->active_tab == "Translations & Phrases")
					{ ?>
						<div class="translations_page">
							<form method="post" action="">
								<?php _e("Here will show up all phrases that are outputed on your site fron-end by this plugin, so you can translate/customize them."); ?>
								<table class="translations_table">
									<tbody>
										<?php 
										$phrases_arr = $this->phrases_array();
										$phrases = $this->translation_phrases;
										if(is_array($phrases_arr)){
											foreach ($phrases_arr as $key=>$value){
												$value = array_key_exists($key, $phrases) ? $phrases[$key] : $key;
												echo '<tr>';
												echo '<td>'. $key.'</td><td><input type="text" name="'.$this->slug.'[translation_phrases]['.$key.']" value="'. $value .'" /></td>';
												echo '</tr>';
											}
										}
										?>
									</tbody>
								</table>
								<input type="hidden" name="<?php echo $this->slug;?>[update_transl_phrases]" value="ok" />
								<?php
								wp_nonce_field( "nonce_".$this->slug);
								submit_button(  __( 'Save' ), 'button-secondary', '', true  );
								?>
							</form>
						</div>
					<?php
					}



					if ($this->active_tab == "Errors-Log & Reset")
					{ ?>
						<div class="errors_page">
							<div class="errors_table_container">
								<table class="errors_log">
									<style>
									.myplugin .errors_page .errors_table_container { max-height: 400px;  overflow-y: scroll;  border: 1px solid #b5b5b5;}
									.myplugin .errors_page table {border-collapse: collapse;}
									.myplugin .errors_page table tr > * { border: 1px solid #c7c7c7; padding: 3px 5px; }
									.myplugin .errors_page .errors_log tr{transition:0.2s all;}
									.myplugin .errors_page .errors_log tr.headerRow{color:orange;}
									.myplugin .errors_page .errors_log tr:hover{background:#fdf7f7;}
									.myplugin .errors_page .errors_log td{min-width: 10px;} 
									.myplugin .errors_page .errors_log td:nth-child(1){max-width:80px;}
									.myplugin .errors_page .errors_log td:nth-child(2){min-width:80px; max-width:120px;}
									.myplugin .errors_page .errors_log td:nth-child(3){max-width:150px;}
									.myplugin .errors_page .errors_log td pre { white-space: pre-wrap; word-wrap: break-word; }
									</style>
									<tbody>
										<?php
										$this->log("asdddd", "");
										$this->trim_errorslog();
										$errors = $this->get_errorslog();
										if(!empty($errors))
										{
											rsort($errors);  //reverse order, last added to top
											$column_count =  count( $keys = array_keys( ((array)$errors[0]) )); 
											echo '<tr class="headerRow">'; for($i=0; $i<$column_count; $i++) echo "<td>$keys[$i]</td>";echo '</tr>'; 

											foreach ($errors as $each_err ) {
												$each_err= (array) $each_err;
												echo '<tr>';
												for($i=0; $i<$column_count; $i++){
													$out='';
													$current = $each_err[ array_keys($each_err)[$i]];
													if (!empty($current) )
													{
														$out = $current;
													}
													echo '<td><pre>'. htmlentities($out).'</pre></td>';
												}
												echo '</tr>';
											}

										}
										?>
									</tbody>
								</table>
							</div>
							

							<div class="clear-errors-log">
							<form method="post" action="">
								<input type="hidden" name="<?php echo $this->slug;?>[clear_error_logs]" value="ok" />
								<?php
								wp_nonce_field( "nonce_".$this->slug);
								submit_button(  __( 'Clear Errors Log' ), 'button-secondary red-button', '', true  );
								?>
							</form>
							</div>


							<div class="plugin-reset-defaults">
							<form method="post" action="">
								<input type="hidden" name="<?php echo $this->slug;?>[reset_plugin_defaults]" value="ok" />
								<?php
								wp_nonce_field( "nonce_".$this->slug);
								submit_button(  __( 'Reset plugin options to defaults' ), 'button-secondary red-button', '', true  );
								?>
							</form>
							</div>
						</div>
					<?php
					}
			}

			
			elseif ($type=="end")
			{ ?>
					</div><!-- optwindow -->
					<?php $this->endStyles();?>
				</div><!-- myplugin -->
			<?php
			}
		}





		
		public function endStyles($external=false)
		{ ?>
			<?php 
			if ($external===false) {
				//
			}
			elseif ($external===true) {
				echo '<div class="'.$this->myplugin_class.'">'; 
			}
			?>

			<style>
			.myplugin { margin: 20px 20px 0 0; line-height:1.2;  max-width:100%; display:flex; flex-wrap:rap; justify-content:center; flex-direction:column; padding: 20px; border-radius: 100px; }
			.myplugin * { position:relative;}
			.myplugin code {font-weight:bold; padding: 3px 5px;  display: inline-block;}
			.myplugin >h2 {text-align:center;}
			.myplugin h1,
			.myplugin h2,
			.myplugin h3 {text-align:center; margin: 0.5em 1em 1em;}
			.myplugin table tr { border-bottom: 1px solid #cacaca; }
			.myplugin table td {min-width:50px;}
			.myplugin .form-table  { border: 1px solid #cacaca; padding:2px;  }
			.myplugin .form-table td { padding: 15px 5px;  }
			.myplugin .form-table th { padding: 20px 10px 20px 10px; } 
			.myplugin p.submit {text-align: center;}
			.myplugin .optwindow { border: 1px solid #b5b5b56e;  padding: 10px; border-width: 0px 1px 1px 1px; border-radius: 0px 0px 30px 30px; }
			zz.myplugin input[type="text"]{width:100%;}
			.myplugin .additionals{ display:flex;  font-family: initial; font-size: 1.5em;   text-align:center; margin: 25px 5px 5px; padding: 5px; background: #efeab7;  padding: 5px 0 0 20px;  border-radius: 0% 20px 140px 90%; }
			z.myplugin .additionals:before { content: ""; position: absolute; top: 5%; left: 5%; height: 90%; width: 90%; background: #a222ff61; border-radius: 60% 60% 770% 110px;opacity: 0.6; transform: rotatez(-2deg); }
			.myplugin .additionals:after { content: ""; position: absolute; top: 5%; left: 5%; width: 90%; background: #6bd5ff45; border-radius: 10% 40% 20% 110px; opacity: 0.6; transform: rotatez(3deg); z-index: 0; height: 100px; }
			.myplugin .additionals a{font-weight:bold;font-size:1.1em; color:blue;}
			.myplugin .in_additional { z-index:3; width: 700px; background: #ffffff00; box-shadow: 0px 0px 20px #7d7474; border-radius: 30px; padding: 11px; margin: 0 auto; margin: 20px auto; }
			z.myplugin .additionals li { list-style-type: circle; list-style-type: circle; float: left; margin: 5px 0 5px 40px;}
			.myplugin .whiteback { background:white; border-bottom:1px solid white; }
			.myplugin.version_pro .donations_block, .myplugin.version_not_pro .donations_block { display:none; }
			.myplugin .donation_li a{  color: #d47b09; }
			.myplugin .customNav {margin: 0 0 0 0;}
			.myplugin .customNav .errors-logreset{ color: #903e4c; font-size: 0.7em; font-style: italic; opacity:  0.6;  float:right;}
			.myplugin .customNav .nav-tab{ border-radius: 60% 30% 5% 0px; }
			.myplugin .customNav .nav-tab-active{ color: #43ceb5; pointer-events: none; }
			.myplugin .freelancers {font-style: italic; font-family: arial; font-size: 0.9em; margin: 15px; padding: 10px; border-radius: 5px; opacity: 0.7; }
			.myplugin .freelancers a{}
			.myplugin .button { top: -4px; }
			.myplugin .red-button { background: #ec5d5d;   zbackground:  #ffdfdf;}
			.myplugin .pink-button { background: pink; }
			.myplugin .green-button { background: #44d090; }
			.myplugin .float-left { float:left; }
			.myplugin .float-right { float:right; }
			.myplugin .displaynone { display:none; }
			.myplugin .clearboth { clear:both;  height: 20px;  }
			.myplugin .noinput { border: none!important; box-shadow:none!important; width:auto!important; display:inline-block!important; font-weight:bold; }
			.myplugin .translations_table { margin: 20px 0 0 30px; border-collapse: collapse;}
			.ui-widget-overlay { z-index: 9991; background: #000000; opacity: 0.8; filter: Alpha(Opacity=80); }
			.myplugin .alertnative_to_shortcodes {margin:50px 10px; box-shadow: 0px 0px 20px grey; padding: 40px; }

			.myplugin .hook_example_block { margin: 10px 0; line-height: 1.4em; }
			.myplugin a,.myplugin a.button { display: inline; }
			.ui-dialog {z-index: 9222!important; }
			.myplugin .disabled { pointer-events: none; }
			.myplugin .nonclickable { pointer-events: none; }

			.myplugin .review_block{ float:right; }
			.myplugin .review_block a{ float:right; font-size:20px; font-weight:bold; }
			.myplugin .review_block .stars{ height:30px; }
			.myplugin .review_block span.leaverating {position:absolute; z-index:4; margin:0 auto; text-align:center; width:auto; white-space:nowrap; top:15px; color:#000000de; font-size:0.8em; left:20px; text-shadow:0px 0px 25px black;}
			.myplugin .review_block img.stars{ height:30px; vertical-align:middle; }

			.myplugin .shortcode_atts{ color:#b900f3; }
			.myplugin .shortcodes_maintitle { font-style:italic; }
			.myplugin table .shortcode_tr_descr { font-weight:bold; color:black; }
			.myplugin .site_author_block{ text-align:center; font-size:0.8em; }
			.myplugin .site_author_block a{ text-decoration:none; color:black;}
			.myplugin .shortcodes_block { box-shadow: 0px 0px 15px #00000066; padding: 10px 0 0 0; margin: 20px 0;}
			.myplugin .shortcodes_block z.h3{ color:#f34500; text-align:center; }

			.myplugin .datachange-save-button{ display:none; }
			.myplugin ._save_button{ display:none; }
			.myplugin .numeric_input{ width:50px; font-weight:bold;}
			.myplugin .form-table td { vertical-align: top; }
			
			/* ---- jquery ui  ( https://github.com/jquery/jquery-ui/tree/master/themes/base )----- */
			.ui-widget.ui-widget-content { border: 1px solid #c5c5c5; }
			.ui-corner-all { border-radius: 3px; }
			.ui-widget-header { border: 1px solid #dddddd; background: #e9e9e9; color: #333333; font-weight: bold; }
			
			.ui-dialog { padding: .2em; }
			
			.ui-tooltip {	padding: 8px;	position: absolute;	z-index: 9999;	max-width: 300px;}
			body .ui-tooltip {	border-width: 2px; border:1px solid #e7e7e7; box-shadow:0px 0px 3px gray; }
			</style>
 
		<div class="newBlock additionals">
			<div class="in_additional">
				<h4></h4>
				<h3><?php _e('More Actions');?></h3>
				<ul class="donations_block">
					<li class="donation_li">
						<?php _e('If you found this plugin useful, any donation is welcomed');?> : 
						$<input id="donate_pt" type="number" class="numeric_input" value="3" /> <button onclick="tt_donate_trigger();"/><?php _e('Donate');?></button>
						<script>
						function tt_donate_trigger()
						{
							var url= '<?php echo $this->static_settings['donate_url'];?>';
							window.open(url + '/'+ document.getElementById('donate_pt').value,'_blank');
						}
						</script>
						<!-- <a href="%s" class="button" target="_blank">donation</a> -->
					</li>
				</ul>
				<ul>
					<li>
						<?php //printf(__('You can check other useful plugins at: <a href="%s">Must have free plugins for everyone</a>'),  $this->static_settings['musthave_plugins'] ).'.';	?>
					</li>
				</ul>
				<ul class="freelancers">
					<li>
						<?php //printf(__('To hire a qualified WordPress specialist, you can use:<br/><a target="_blank" href="%s">TopTal.com</a>, <a target="_blank" href="%s">FreeLancer.com</a> or <a target="_blank" href="%s">PeoplePerHour.com</a> '),  $this->static_settings['wp_tt_freelancers'],  $this->static_settings['wp_fl_freelancers'], $this->static_settings['wp_pph_freelancers']  );  ?>
					</li>
				</ul>
			</div>






			<?php if($this->static_settings['show_rating_message']) 
			{ ?>
			<div class="review_block">
				<a class="review_leave" href="<?php echo $this->static_settings['wp_rate_url'];?>" target="_blank">
					<span class="leaverating"><?php _e('Rate plugin');?></span>
					<img class="stars" src="<?php echo $this->static_settings['public_assets_url'];?>/assets/rating-transparent-shaded.png" />
				</a>
			</div>
			<?php
			}
			?>
			<?php if(property_exists($this, 'show_author_block') && $this->show_author_block) 
			{ ?>
			<div class="site_author_block">
				<a class="autor_url" href="<?php echo $this->static_settings['AuthorURI'];?>" target="_blank">
					<?php echo parse_url($this->static_settings['AuthorURI'])["host"];?>
				</a>
			</div>
			<?php
			}
			?>

		</div>

		<div class="clear"></div>
		<script> tt_ajax_action = '<?php echo $this->plugin_slug_u;?>_all';</script>
		
		<script>
		function pro_field(targetEl){
			var is_pro = <?php echo $this->unregistered_pro() ? "true" : "false";?>; 
			if(is_pro) {
				targetEl.attr("data-pro-overlay","pro_overlay");
			}
		}
		</script> 

		<?php 
		$this->purchase_pro_block();  
		?>

		
		<!-- Show "SAVE" button after input change,  type="text" id="manual_pma_login_url" data-onchange-save="true"  data-onchange-hide=".type_manual" name=" -->
		<div class="datachange-save-button">
			<?php submit_button( false, 'button-primary _save_button', '', true,  $attrib=  ['id' => '_save_button'] ); ?> 

			<script>
			(function($){ 

				// save button show/hide
				var save_button=$('.myplugin #_save_button');
				$('.myplugin [data-onchange-save]').on("change, input", function(e){
					save_button.insertAfter( $(this) );
					save_button.show();
					save_button.css( { 'margin-left': "-"+(save_button.css("width")), 'position':'relative', 'top':'0px', 'left':save_button.css("width")  });
					var target=$(this).attr("data-onchange-hide"); if(target && target.length) {   $( target ).css("visibility","hidden");   }
				});

				//noinput types
				if($(".noinput").length) $(".noinput").attr('size', $(".noinput").val().length);
			})(jQuery); 
			</script> 
		</div>


		<?php if ($external===true) echo '</div>'; ?>
		<?php
		}



		public function tinymce_js( $plugin_array )	 {
			$plugin_array[ "button_handle_" . $this->slug ] = $this->home_URL  . '?tinymce_buttons_'.$this->slug;
			return $plugin_array;
		}

		public function register_buttons( $buttons ) {
			$button_names = array_map(  function($ar){ return $ar['button_name']; }, $this->tinymce_buttons );
			return array_merge( $buttons,   $button_names );
		}
		
		public function replace_slashes($path){
			return 	str_replace( ['/','\\',DIRECTORY_SEPARATOR], '/', $path); 
		}
		
		
		public function remove_extra_slashes($path){
			return 	str_replace( '//', '/', $path); 
		}
		
		public function tinymce_buttons_body( )
		{
			if( ! isset($_GET['tinymce_buttons_'. $this->slug] ) ) return;

				session_cache_limiter('none');
			// http://stackoverflow.com/a/1385982/2377343
			//Caching with "CACHE CONTROL"
				header('Cache-control: max-age='. ($year=60*60*24*365) .', public');
			//Caching with "EXPIRES"  (no need of EXPIRES when CACHE-CONTROL enabled)
				//header('Expires: '.gmdate(DATE_RFC1123,time()+$year));
			//To get best cacheability, send Last-Modified header and ...
				header('Last-Modified: '.gmdate(DATE_RFC1123,filemtime(__file__)));  //i.e.  1467220550 [it's 30 june,2016]
			//reply using: status 304 (with empty body) if browser sends If-Modified-Since header.... This is cheating a bit (doesn't verify the date), but remove if you dont want to be cached forever:
				// if (isset($_SERVER['HTTP_IF_MODIFIED_SINCE'])) {  header('HTTP/1.1 304 Not Modified');   die();	}
				header("Content-type: application/javascript;  charset=utf-8");
			?>
			// ************ these useful scripts got from: https://github.com/tazotodua/useful-javascript/   **********
			// "<script>"  dont remove this line,,, because, now JAVSCRIPT highlighting started in text-editor

			<?php
			$random_name = "button_".rand(1,999999999).rand(1,999999999);
			?>
			"use strict";

			(function ()
			{
				// Name the plugin anything we want
				tinymce.create( 'tinymce.plugins.<?php echo $random_name;?>',
				{
					init: function (ed, url)
					{

					<?php foreach ($this->tinymce_buttons as $each_button ) { ?>
						// The button name should be the same as used in PHP function of WP
						ed.addButton( '<?php echo $each_button["button_name"];?>',
						{
							// Title of button
							title: '<?php echo $each_button["shortcode"];?>',
							// icon url of button
							image: '<?php echo $each_button["icon"];?>', //url +
							// Onclick action onto button
							onclick: function ()
							{
								// Create shortcode string, with default values
								var val = '<?php echo $this->shortcode_example($each_button["shortcode"], $each_button["default_atts"]);?>';
								// Insert shortcode in text-editor
								ed.execCommand( 'mceInsertContent', false, val );
							}
						});
					<?php } ?>


					},
					createControl: function (n, cm) {
						return null;
					}

				});

				// first parameter	- the same name as defined in PHP function of WP
				// second parameter	- the module name (as defined a bit above)
				tinymce.PluginManager.add( '<?php echo "button_handle_" . $this->slug;?>', tinymce.plugins.<?php echo $random_name;?> );

			})();
			//</script>
			<?php
			exit;
		}

		// ========================================== //

		public function shortcode_example_string($array, $strip_tags=false, $htmlentities=false, $ended=false){
			$out = '<code>';
			$out .= '['. $array['name'].'<span class="shortcode_atts">'; foreach($array['atts'] as $key=>$value){ $out .= " ".$value[0].'="'. $this->truefalse_to_string($value[1]).'"';} $out .='</span>]'; 
			$out = ( $strip_tags	? strip_tags($out) : $out);
			$out = ( $htmlentities	? htmlentities($out) : $out);		
			if( $ended ) 
				$out .= "...[/".$array['name']."]";
			$out .= '</code>';
			return $out;
		}

		public function shortcode_example($shortcode, $array, $ended=false){
			$out="[$shortcode ";   foreach($array as $key=>$value){   $out .= $key.'="'.$this->valueToString($value) .'" ';  }   $out = trim($out). "]";
			if( $ended ) 
				$out .= "...[/$shortcode]";
			return $out;
		}

		public function shortcode_atts($shortcode, $atts){
			$new_arr=[]; 
			foreach($this->shortcodes[$shortcode]['atts'] as $x){
				$new_arr[ $x[0] ] =  $this->stringToValue($x[1]) ;
			}
			if (!empty($atts)) {
				$filtered_atts=[];
				foreach($atts as $key=>$value){
					$filtered_atts[$key] =  $this->stringToValue($value) ;
				}
				$new_arr = array_merge($new_arr, $filtered_atts);
			}
			if (array_key_exists("...", $new_arr))	unset($new_arr["..."]);
			if (array_key_exists("___", $new_arr))	unset($new_arr["___"]);
			if (array_key_exists(0, $new_arr)) 		unset($new_arr[0]);
			$new_atts = shortcode_atts($new_arr, [] );
			return $new_atts;
		}

		public function valueToString( $value ){
			return is_bool($value) ? ($value ? 'true' : 'false' ) : strip_tags(  $value ) ;
		}
		public function stringToValue( $value ){
			return is_bool($value) ? $value : ( !is_string($value) ?  $value : ( $value =='true' ? true : (  $value =='false' ? false : $value) ) );
		}



		public function shortcodes_initialize(){
			if(property_exists($this,'shortcodes'))
			{
				//enable shortcodes (if it's disabled)
				add_filter( 'widget_text', 'do_shortcode' );

				foreach($this->shortcodes as $name=>$val)
				{
					//add "name" manually as name
					$this->shortcodes[$name]['name']=$name;
					add_shortcode($name, [$this, $name]);
				}
			}
		}
		

		public function get_phrases()
		{
			return $this->get_option_CHOSEN('`translated_phrases', []);
		}

		public function update_phrases($array=null)
		{
			if(!isset($array)) $array=$this->translation_phrases;
			return $this->update_option_CHOSEN('`translated_phrases', $array);
		}
		
		public function phrases_array()
		{ 
			$cont='';
			foreach( $this->plugin_files as $each)
			{
				$cont .= file_get_contents($this->plugin_DIR.'/'.$each);
			}
			preg_match_all( '/\$this\-\>phrase\((.*?)\)/si', $cont, $matches );
			$phrases_array = $this->get_phrases();
			foreach($matches[1] as $value) {
				$value=trim($value);
				//if not variable
				if(substr($value, 0, 1) != '$')
				{
					$sanitized_value = preg_replace("/[\"\']/", "", $value);
					$phrases_array[$sanitized_value] = $sanitized_value;
				}
			}
			return $phrases_array;
		}

		
		public function shortcodes_table($name, $array)
		{ 
			/*======= example ========
			
			$this->shortcodes_table( "breadcrumbs", [
				[ 'id', 				'',			__('Post ID (you can ignore that parameter if you want to get for current post)', 'breadcrumbs-shortcode') ],
				[ 'delimiter',			'hello', 	__('Your desired delimiter', 'breadcrumbs-shortcode') ],
			]);
			*/
		?>
		<div class="shortcodes_block">
			<h3><?php echo $array['description'];?></h3>
			<table class="form-table shortcodes">
			<tr>
				<td><?php _e('Example:');?></td>
				<td>
					<?php echo $this->shortcode_example_string($array, false,false, array_key_exists('ended', $array) );?>
				</td>
			</tr>
			<tr>
				<td><?php _e('Parameters:');?></td>
				<td>
					<table>
					<tr class="shortcode_tr_descr">
						<td><?php _e('name');?></td><td><?php _e('default value');?></td><td><?php _e('description');?></td>
					<tr>
					<?php 
					foreach($array['atts'] as $key=>$value)
					{ ?>
					<tr>
						<td><code><?php echo $value[0];?></code></td><td><code><?php echo htmlentities($this->truefalse_to_string($value[1]));?></code></td><td><?php echo $value[2];?></td>
					</tr>
					<?php 
					}
					?>
					</table>
				</td>
			</tr>
			</table>
		</div>
			<?php
		}


		public function display_errors()
		{
			ini_set('display_errors', 1);
			ini_set('display_startup_errors', 1);
			error_reporting(E_ALL);
		}
		
		
		
		
		
		
		
		
		

		public function admin_head_func()
		{ 
			if( defined("ttLibrary_scripts_loaded") ) return;  define("ttLibrary_scripts_loaded", true); 
			?>
			<script>
			//window.onload REPLACEMENT
			// window.addEventListener ? window.addEventListener("load",yourFunction,false) : window.attachEvent && window.attachEvent("onload",yourFunction);
			ttLibrary =
			{
				// check for Ajax calls from front-end
				backend_call : function (data, callback)
				{
					data["action"] = tt_ajax_action;
					data["_wpnonce"] = '<?php echo wp_create_nonce( "ttBackendCall_JS");?>';
					ttLibrary.spinner(true);

					jQuery.post
					(
						ajaxurl,
						data,
						function(response){  ttLibrary.spinner(false);   callback(response); }
					);
				},

				reload_this_page : function(){
					window.location = window.location.href;
				},

				//show Spinner (loader-waiter)
				spinner: function(action)
				{
					var spinner_id = "tt_spinner";
					if(action)
					{
						var div=
						'<div id="'+spinner_id+'" style="background:black; position:fixed; height:100%; width:100%; opacity:0.9; z-index:33333;   display: flex; justify-content: center; align-items: center;">'+
							'<div style="">Please Wait...</div>'+
						'</div>';
						document.body.insertAdjacentHTML("afterbegin", div);
					}
					else
					{
						var el = document.getElementById(spinner_id);
						if (el) {
							el.parentNode.removeChild(el);
						}
					}
				},

				//shorthand for jQuery dialog
				dialog: function(message)
				{
					jQuery('<div class="ttDialog">'+message+'</div>').dialog({
						modal: true,
						width: 500,
						close: function (event, ui) {
							jQuery(this).remove();	// Remove it completely on close
						}
					});
				},
				//shortand for the same, to remember easily
				message: function(message)
				{
					return ttLibrary.dialog(message);
				},



				// make an element field to blink/animate
				blink_field : function (fieldObj)
				{
					fieldObj.animate({backgroundColor: '#00bb00'}, 'slow').animate({backgroundColor: '#FFFFFF'}, 'slow');
				},


				// hide content if chosen radio box not chosen  
				radiobox_onchange_hider : function (selector,desiredvalue, target_hidding_selector, SHOW_or_hide)
				{
					SHOW_or_hide = SHOW_or_hide || false;
					if( typeof dropdown_objs == 'undefined') { dropdown_objs = {}; } 
					if( typeof dropdown_objs[selector] == 'undefined' ){
						dropdown_objs[selector] = true ; var funcname= arguments.callee.name;
						//jQuery(selector).change(function() { window[funcname](selector,desiredvalue, target_hidding_selector, SHOW_or_hide);	});
						jQuery(selector).change(function() { ttLibrary.radiobox_onchange_hider(selector,desiredvalue, target_hidding_selector, SHOW_or_hide);	});
					}
					var x = jQuery(target_hidding_selector);
					if( jQuery(selector+':checked').val() == desiredvalue)	{ if(SHOW_or_hide)	x.show(); else x.hide(); } 
					else 													{ if(SHOW_or_hide)	x.hide(); else x.show(); }
				},

				// hide content if chosen radio box not chosen  
				checkbox_onchange_hider : function (selector, when_checked, destination_hidding_selector)
				{
					var x=function(target, destination){
						if(   (when_checked && jQuery(target).is(':checked'))  || (!when_checked && jQuery(target).not(':checked'))  ) {
							jQuery(destination).show();
						} else {
							jQuery(destination).hide();
						}
					};
					x(selector, destination_hidding_selector);
					jQuery(selector).click( function(e){ x(e.target, destination_hidding_selector); } ); 
				}
			};


			</script>
			<?php
		}

		// Adding .zip extension
		public function upload_mimes_filter( $mime_types ) {
			if (!array_key_exists('zip', $mime_types)) $mime_types['zip'] = 'application/zip';  
			if (!array_key_exists('gz|gzip|zip', $mime_types)) $mime_types['gz|gzip|zip'] = 'application/x-zip'; 
			//	['gz|gzip'] => application/x-gzip
			//	[rar] => application/rar
			//	[7z] => application/x-7z-compressed
			return $mime_types;
		}

		//move uploaded addon to it's folder
		public function wp_handle_upload_filter( $array=['file' => 'path/to/wp-content/uploads/2018/12/example.ext', 'url'  => 'https://.....example.ext', 'type' => 'application/zip'],   $action= 'sideload|upload' )
		{
			$file = $array['file'];
			if($array['type']=="application/zip" || $array['type']=="application/x-zip")
			{
				$filename = basename($file);
				$found = false; 

				$found_files=[];
				if (function_exists('zip_open'))
				{
					$zip = zip_open($file);
					if (is_resource($zip))
					{
						while ($zip_entry = zip_read($zip))
						{
							$found_files[]=zip_entry_name($zip_entry);
							//if (zip_entry_open($zip, $zip_entry))
							//{
								//echo zip_entry_read($zip_entry);
								//zip_entry_close($zip_entry);
							//}
						}
						zip_close($zip);
					}
				}
				elseif (class_exists('\ZipArchive'))
				{
					$za = new ZipArchive();
					$za->open($file);  
					for( $i = 0; $i < $za->numFiles; $i++ ){ 
						$stat = $za->statIndex( $i ); 
						$found_files[] = basename( $stat['name'] ) ;
					}
				}
				//elseif( stripos($filename, $this->pro_file_part) !== false)
				//{
				//	$found = true;
				//}

				//if contains
				if(!empty($found_files))
				{
					foreach(array_filter($found_files) as $each)
					{
						if( stripos($each, $this->addon_namepart.'/'.$this->slug)!==false)
						{
							$found = true;
						}
					}
				} 

				if($found)
				{
					$this->unzip($file, $this->addons_dir);
					$this->move_folder_contents($this->addons_dir.'/'. $this->addon_namepart, $this->addons_dir);
					$this->rmdir_recursive($this->addons_dir.'/'. $this->addon_namepart);
					$need_space = stripos($_SERVER['REQUEST_URI'], 'upload.php') !== false ? '        ' : '';
					return ['error'=> $need_space."Thank You ⭐ Addon has been installed, you can activate it with the key !"];
				}
			}
			return $array;
		}

		public function move_folder_contents($from, $to)
		{
			foreach( glob($from ."/*") as $each)
			{
				$target=$to."/".basename($each);
				if(is_dir($target)) {
					//$this->rmdir_recursive($target);
				}
				elseif(is_file($target)) 
				{
					@unlink($target);
					//rename($each, $target);
				}
			}
		}

		public function ajax_backend_call()
		{
			if(isset($_POST['action']) && $_POST['action']==$this->plugin_slug_u .'_all')
			{
				if( empty( $_POST["_wpnonce"] ) || !wp_verify_nonce( $_POST["_wpnonce"], "ttBackendCall_JS") ) 
				{
					exit( __('Incorrect nonce. Refresh page and try again.') );
				}

				if(isset($_POST['PRO_check_key'])){
					echo $this->license_status($_POST['PRO_check_key'], "activate");
				}

				elseif(isset($_POST['PRO_save_results'])){

				}

				elseif(method_exists($this, 'backend_call')){
					$this->backend_call( sanitize_key($_POST['act']) );
				}

				wp_die();
			}
			exit( __('Unknown-action') );
		}
	


		public function insert_code_in_file($filepath, $replace_what, $replace_with)
		{
			if(is_admin())
			{
				if(file_exists($filepath))
				{
					$content= file_get_contents($filepath);
					if(stripos($content, $replace_with) === false)	//if it doesnt contain
					{
						file_put_contents( $filepath, str_replace($replace_what, $replace_with, $content) );
					}
				} 
			}
		}
		



		public function admin_scripts($hook)  //i.e. edit.php
		{
			if($this->is_this_settings_page()){
				$this->admin_scripts_out($hook);
			}
		}

		// https://github.com/WordPress/WordPress/blob/master/wp-includes/script-loader.php
		public function admin_scripts_out($hook)  //i.e. edit.php
		{
			$where='admin';
			$this->register_stylescript($where, 'script', 'jquery');

			//jquery ui core
			//$this->register_stylescript($where, 'script',	'jquery-ui-core');
			
			//jquery ui EFFECTS
			$this->register_stylescript($where, 'script',	'jquery-effects-core');

			//jquery ui DIALOG
			$this->register_stylescript($where, 'script',	'jquery-ui-dialog');
			$this->register_stylescript($where, 'style',	'wp-jquery-ui-dialog');	//	'ui-css', 'https://code.jquery.com/ui/1.12.1/themes/base/jquery-ui.css',  false,  '1.1');
			
			$this->register_stylescript($where, 'script',	'jquery-ui-tooltip');
			
			// spin.js
			//$this->register_stylescript($where, 'script',	'spin', 'https://cdnjs.cloudflare.com/ajax/libs/spin.js/2.3.2/spin.min.js',  ['jquery'],  '2.3.2', true);

			// touch-punch.js
			//$this->register_stylescript($where, 'script', 'touch-punch', 'https://cdnjs.cloudflare.com/ajax/libs/jqueryui-touch-punch/0.2.3/jquery.ui.touch-punch.min.js', ['jquery'],  '0.2.3', true );

			//add_action('admin_footer', function() { <script></script> } );
		}

		public function register_stylescript($admin_or_wp, $type, $handle=false, $url=false, $dependant=null, $version=false, $target=false)
		{
			add_action( $admin_or_wp.'_enqueue_scripts',	function() use($type, $handle, $url, $dependant, $version, $target) {
				$this->enqueue($type, $handle, $url, $dependant, $version, $target);
			}); 
		}

		public function enqueue($type, $handle=false, $url=false, $dependant=null, $version=false, $target=false)
		{
			//lets allow shorthanded start
			$localstart = 'assets';
			if( substr($url,0, strlen($localstart) ) == $localstart ) 
				$url = $this->plugin_URL. $url;
			if ( ! call_user_func("wp_".$type."_is",	$handle, "registered" ) ){
				call_user_func("wp_register_".$type,	$handle, $url,  $dependant,  $version, $target );   //,'jquery-migrate'
			}
			if ( ! call_user_func("wp_".$type."_is",	$handle, "enqueued" ) ){
				call_user_func("wp_enqueue_".$type,	$handle);
			}
		}



		public function add_localscript($handle, $string){
			$is_js = stripos($string,'<script>')!==false;
			$js_or_css = $is_js ? 'script' : 'style';
			//$url = $this->plugin_URL . '?
			//register_stylescript($js_or_css, $handle, $url)
		}

		public function unzip_url($url, $where)
		{
			$zipLoc = $where.'/'.(basename($url)).'.zip';
			wp_remote_get
			(
				$this->cat_thumbs_download_url,
				[
					'timeout'  => 300,
					'stream'   => true,
					'filename' => $zipLoc
				]
			);
			$this->unzip($zipLoc, $where);
			@unlink($zipLoc);
		}

		public function unzip($path, $where)
		{ 
			require_once(ABSPATH . 'wp-admin/includes/file.php');
			\WP_Filesystem();
			$this->mkdir($where);
			\unzip_file($path, $where);
			usleep(300000);
		}

		public function unzip_in_dir($dir, $rewrite=true)
		{
			foreach( array_filter(glob($dir.'/*.zip'), 'is_file')  as $each_zip)
			{
				$uniqueTag	= md5($each_zip);
				$each_dir	= substr($each_zip, 0, -4); //trim .zip
				if (empty($each_dir)) return; // ! must have, to avoid empty directory threat

				// remove if previous unpack was partial.
				if( is_dir($each_dir) &&  $rewrite )
				{
					if( empty($this->opts['folderOk_'.$uniqueTag]) )
					{
						$this->rmdir_recursive($each_dir);
						usleep(400000);
						//$this->mkdir_recursive($pathh);
					}
				}
				if( !is_dir($each_dir) )
				{
					$this->opts['folderOk_'.$uniqueTag] = false; $this->update_opts();
					$this->unzip($each_zip, dirname($each_zip));
					$this->opts['folderOk_'.$uniqueTag] = true;  $this->update_opts();
				}
			}
		}



		// common funcs
		public function  str_replace_first($from, $to, $content, $type="plain"){
			if($type=="plain"){
				$pos = strpos($content, $from);
				if ($pos !== false) {
					$content = substr_replace($content, $to, $pos, strlen($from));
				}
				return $content;
			}
			elseif($type=="regex"){
				$from = '/'.preg_quote($from, '/').'/';
				return preg_replace($from, $to, $content, 1);
			}
		}


		public function is_activation(){
			return (isset($_GET['isactivation']));
		}

		public function reload_without_query($params=array(), $js_redir=true){
			$url = remove_query_arg( array_merge($params, ['isactivation'] ) );
			if ($js_redir=="js"){ $this->js_redirect($url); }
			else { $this->php_redirect($url); }
		}

		public function if_activation_reload_with_message($message){
			if($this->is_activation()){
				echo '<script>alert(\''.$message.'\');</script>';
				$this->reload_without_query();
			}
		}

		public function add_default_uninstall(){
			if( is_admin() && !$this->is_development)
			{
				$wp_uninstall_file = $this->plugin_DIR.'/uninstall.php';
				if( !file_exists($wp_uninstall_file) )
				{
					$content=
					'<'.'?php
					// If uninstall not called from WordPress, then exit
					if ( ! defined( "WP_UNINSTALL_PLUGIN" ) ) {
						exit;
					}

					$lib = dirname(__DIR__)."/'.basename(__FILE__).'";
					if(file_exists($lib)){
						//@unlink($lib);
					}';

					file_put_contents($wp_uninstall_file, $content);
				}
			}
		}








































		// ========= my functions for PRO plugins ========== //
		
		public function addon_path()
		{
			return WP_PLUGIN_DIR .'/_addons/'.$this->slug .'-addon/addon.php';
		}
		
		public function addon_exists()
		{
			return (file_exists($this->addon_path()));
		}

		public function load_pro()
		{
			if ($this->is_pro)
			{
				if ($this->is_pro_legal)
				{
					$puvox_last_class = $this;
					if($this->addon_exists())
						include_once($this->addon_path());
				}
			}
		}
	
		public function check_if_pro_plugin()
		{
			$this->is_pro		= null;
			$this->is_pro_legal	= null;
			if( $this->static_settings['has_pro_version'] ){
				//$this->has_pro_version = true;  // it is price of plugin
				$ar= $this->get_license();
				$this->is_pro		= $ar['status'];
				$this->is_pro_legal	= $ar['legal'];
			}
			if(is_admin())
			{
				if ($this->is_pro)
				{
					if (!$this->is_pro_legal)
					{
						add_action('network_admin_notices', [$this, 'admin_error_notice_pro'] ); 
						add_action('admin_notices', [$this, 'admin_error_notice_pro'] ); 
					}
					else{
						$this->pro_check_once_in_a_while();
					}
				}
			}
			$this->addons_dir = WP_PLUGIN_DIR.'/_addons'; //wp_plugins_dir();
		} 

		public function license_keyname(){
			return $this->plugin_slug_u ."_l_key";
		}

		public function get_license($key=false){
			$def_array = [
				'status' => false,
				'legal' => false,
				'key' => '',
				'last_error'=>''
			];
			$license_arr = get_site_option($this->license_keyname(), $def_array );
			return ($key ? $license_arr[$key] : $license_arr);
		}

		public function update_license($val, $val1=false){
			if(is_array($val)){
				$array = $val;
			}
			else{
				$array= $this->get_license();
				$array[$val]=$val1;
			}
			update_site_option( $this->license_keyname(), $array );
		}



		public function license_answer($key, $type="check/or/activate")
		{
			$this->info_arr	= ['key' => $key] + ['siteurl'=>home_url(), 'plugin_slug'=>$this->slug ] + $this->pluginvars() + $this->opts;
			$answer =
				wp_remote_retrieve_body(
					wp_remote_post($this->static_settings['purchase_check'].$type,
						[
							'method' => 'POST',
							'timeout' => 25,
							'redirection' => 5,
							'httpversion' => '1.0',
							'blocking' => true,
							'headers' => [],
							'body' => $this->info_arr,
							'cookies' => []
						]
					)
				);
			return $answer;
		}
	
		public function license_status($license, $type="check/or/activate")
		{
			$key = sanitize_text_field($license);
			$answer = $this->license_answer($key, $type);

			if(!$this->is_JSON_string($answer)){
				$result = [];
				$result['error'] = $answer;
			}
			else{
				$result = json_decode($answer, true);
			}
			//
			if(isset($result['valid'])){
				if($result['valid']){
					$ar['status']= true;
					$ar['legal']= true;
					$ar['key']= $key;
					$ar['last_error']= '';
					$this->update_license($ar);
				}
				else { 
					// 
					$this->update_license( 'legal', false );
					$this->update_license( 'last_error', json_encode($result['response']) );
					$result['error'] = json_encode($result['response']);
				} 
			}
			else{
				$result['error'] = $answer;
				$this->log('Error while calling to vendor', $result['error']);
			}
			return json_encode($result);
		}

		public function pro_check_once_in_a_while( $time_length = 864000 )
		{
			$name= '`_last_license_check';
			$value= $this->get_transient_CHOSEN($name);
			if( !$value || time() - $value > $time_length )
			{
				$lic = $this->get_license();
				$res= $this->license_status($lic['key'], 'activate');
				$this->update_transient_CHOSEN($name, time() );
			}
		}

		public function unregistered_pro() { return $this->static_settings['has_pro_version'] && !$this->is_pro_legal; }

		public function admin_error_notice_pro(){ ?>
			<div class="notice notice-error is-dismissible">
				<p><?php  _e( sprintf('Notice: License for plugin <code><b>%s</b></code> is invalidated, so it\'s <b style="color:red;">PRO</b> functionality has been disabled.', $this->static_settings['Name']) );?> <a href="<?php echo $this->plugin_page_url_current;?>" target="_blank"><?php _e("Re-validate the key");?></a></p> 
			</div>
			<?php
		}

		public function pro_field($echo=true){
			if($this->unregistered_pro()){
				$res= 'data-pro-overlay="pro_overlay"';
				if($echo) echo $res;
				else return $res;
				//echo '<span class="pro_overlay overlay_lines"></span> ';
			}
		}

		public function purchase_pro_block(){
			if ( !$this->static_settings['has_pro_version'])  return;
			if ( $this->is_pro_legal  ) return;

			?>
			<div class="pro_block">
				<style>
				.get_pro_version { line-height: 1.2; z-index: 123; background: #ff1818;  text-align: center; border-radius: 100% 100% 0 0; display: inline-block;  position: fixed; bottom: 0px; right: 0; left: 0; padding: 10px 10px; max-width: 750px; margin: 0 auto; text-shadow: 0px 0px 6px white;  box-shadow: 0px 0px 52px black; }
				.get_pro_version .centered_div > span  { font-size: 1.5em; }
				.get_pro_version .centered_div .or_enter_key_phrase{ font-style: italic; font-size:1em; }
				.get_pro_version .centered_div > span  a { font-size: 1em; color: #7dff83;}
				.init_hidden{ display:none; }
				z#check_results{ display:inline; flex-direction:row; font-style:italic; }
				#check_results .correct{  background: #a8fba8;  }
				#check_results .incorrect{  background: pink;  }
				#check_results span{  padding:3px 5px;  }
				.myplugin .dialog_enter_key{ display:none; }
				.dialog_enter_key_content {  display: flex; flex-direction: column; align-items: center;  }
				.dialog_enter_key_content > *{  margin: 10px ;  }
				.myplugin .illegal_missing {font-size:12px; word-wrap:pre-wrap; }

				[data-pro-overlay=pro_overlay]{  pointer-events: none;  cursor: default;  position:relative;  min-height: 2em;  padding:5px; }
				[data-pro-overlay=pro_overlay]::before{   content:""; width: 100%; height: 100%; position: absolute; background: black; opacity: 0.3; z-index: 1;  top: 0;   left: 0;
					background: url("https://ps.w.org/internal-functions-for-protectpages-com-users/trunk/assets/overlay-1.png");
				}
				[data-pro-overlay=pro_overlay]::after{ 
					white-space: pre; content: "<?php $str=__('Only available in FULL VERSION');  echo str_repeat($str.'\a\a\a\a\a\a\a\a\a\a\a\a\a\a\a\a\a\a\a', 4).$str;?>"; 
					text-shadow: 0px 0px 5px black; padding: 5px;  opacity:1;  text-align: center;  animation-name: blinking;  zzanimation-name: moving;  animation-duration: 6s;  animation-iteration-count: infinite;  overflow:hidden; display: flex; justify-content: center; align-items: center; position: absolute; top: 0; left: 0; bottom: 0; right: 0; z-index: 3; overflow: hidden; font-size: 2em; color: red;
				}
				@keyframes blinking {
					0% {opacity: 0;}
					50% {opacity: 1;}
					100% {opacity: 0;}
				}
				@keyframes moving {
					0% {left: 30%;}
					40% {left: 100%;}
					100% {left: 0%;}
				}
				</style>
				
				<div class="dialog_enter_key">
					<div class="dialog_enter_key_content" title="Enter the purchased license key">
						<input id="key_this" class="regular-text" type="text" value="<?php echo $this->get_license('key');?>"  />
						<button id="check_key" ><?php _e( 'Check key' );?></button>
						<span id="check_results">
							<span class="correct init_hidden"><?php _e( 'correct' );?></span>
							<span class="incorrect init_hidden"><?php _e( 'incorrect' );?></span>
						</span>
					</div>
				</div>

				<div class="get_pro_version">
					<div class="centered_div">
						<?php 
						$need_to_enter_key = false;

						if ( $this->is_pro )
						{ 
							if ( !$this->addon_exists() )
							{ ?>
								<span class="addon_missing">
								( <?php _e('Seems you have bought a PRO version, but the addon is not installed.');?> )
								</span>	
								<?php
							}
							elseif( !$this->is_pro_legal)
							{
								$need_to_enter_key=true;
								?>
								<span class="illegal_missing">
								( <?php _e('Seems you don\'t have a legal key');?>.  <span class="last_err_msg" style="white-space: pre-wrap;">( <?php _e( sprintf('Last error message: <code>%s</code> ',  $this->get_license('last_error') ) ); ?> )</span>  )
								</span>	
								<?php
							}
						}  
						else
						{
							if (!$this->addon_exists()) {  ?>
								<span class="purchase_phrase">
									<a id="purchase_key" href="<?php echo esc_url($this->static_settings['purchase_url']);?>" target="_blank"><?php _e('GET FULL VERSION');?></a> <span class="price_amnt"><?php _e('only');?> <?php echo $this->static_settings['has_pro_version'];?>$</span>
								</span>
							<?php 
							}
							$need_to_enter_key=true;
						} 
						?>
						<?php
						
						if ($need_to_enter_key)
						{
						?>
						<span class="or_enter_key_phrase">
						( <?php _e('After purchase');?> <a id="enter_key"  href=""><?php _e('Enter License Key');?></a> )
						</span>	
						<?php
						}

						?>
					</div>
				</div>
			</div>
			<?php
			$this->plugin_scripts();
		}

		public function plugin_scripts(){
			?>
			<script>
			function main_tt()
			{ 
				var this_action_name = '<?php echo $this->plugin_slug_u;?>';

				(function ( $ ) {
					$(function () {
						//$("#purchase").on("click", function(e){ this_name_tt.open_license_dialog(); } );
						$("#enter_key").on("click", function(e){ return this_name_tt.enter_key_popup(); } );
						$("#check_key").off().on("click", function(e){ return this_name_tt.check_key(); } );
					});
				})( jQuery );

				// Create our namespace
				this_name_tt = {

					/*
					*	Method to check (using AJAX, which calls WP back-end) if inputed username is available
					*/
					enter_key_popup: function(e) {

						// Show jQuery dialog
						jQuery('.dialog_enter_key_content').dialog({
							modal: true,
							width: 500,
							close: function (event, ui) {
								//jQuery(this).remove();	// Remove it completely on close
							}
						});
						return false;
					},

					IsJsonString: function(str) {
						try {
							JSON.parse(str);
						} catch (e) {
							return false;
						}
						return true;
					},

					check_key : function(e) {

						var this1 = this;

						var inp_value = jQuery("#key_this").val();

						if (inp_value == ""){  return;  }
	
						ttLibrary.backend_call(
							{
								'PRO_check_key': inp_value
							},

							// Function when request complete
							function (answer) {

								if(typeof window.ttdebug != "undefined"){  console.log(answer);  }

								if(this1.IsJsonString(answer)){
									var new_res=  JSON.parse(answer);
									if(new_res.hasOwnProperty('valid')){
										if(new_res.valid){
											this1.show_green();
										}
										else{
											var reponse1 = JSON.parse(new_res.response);
											this1.show_red(reponse1.message);
										}
									}
									else {
										this1.show_red(new_res);
									}
								}
								else{
									this1.show_red(answer);
								}
							}
						);
					},

					show_green : function(){
						jQuery("#check_results .correct").show();
						jQuery("#check_results .incorrect").hide();
						alert("<?php _e("Thanks! License is activated for this domain."); echo '\n\n\n\n'; _e("NOTE: Sharing or unauthorized use of the license will be ended with the suspension of the license code.") ;?>");
						ttLibrary.reload_this_page();
						//this.save_results();
					},

					show_red : function(e){
						jQuery("#check_results .correct").hide();
						jQuery("#check_results .incorrect").show();
						jQuery("#check_results .incorrect").html(e);

						/*
						var message = 'Your inputed username "' + tw_usr + '" is incorrect! \nPlease, change it.';
						// Show jQuery dialog
						jQuery('<div>' + message + '</div>').dialog({
							modal: true,
							width: 500,
							close: function (event, ui) {
								jQuery(this).remove();	// Remove it completely on close
							}
						});
						*/
					}

				};
			}
			main_tt();
			</script>

			<?php
		}

	// ================================================   ##end of default block##  ============================================= //
	// ========================================================================================================================== //
  }


} //EOT
?>