.
 *
 * @package  Easy Table of Contents
 * @category Plugin
 * @author   Magazine3
 * @version  2.0.62
 */
use Easy_Plugins\Table_Of_Contents\Debug;
use function Easy_Plugins\Table_Of_Contents\Cord\insertElementByPTag;
use function Easy_Plugins\Table_Of_Contents\Cord\insertElementByImgTag;
use function Easy_Plugins\Table_Of_Contents\Cord\mb_find_replace;
// Exit if accessed directly
if ( ! defined( 'ABSPATH' ) ) exit;
if ( ! class_exists( 'ezTOC' ) ) {
	/**
	 * Class ezTOC
	 */
	final class ezTOC {
		/**
		 * Current version.
		 *
		 * @since 1.0
		 * @var string
		 */
		const VERSION = '2.0.62';
		/**
		 * Stores the instance of this class.
		 *
		 * @access private
		 * @since  1.0
		 * @static
		 *
		 * @var ezTOC
		 */
		private static $instance;
		/**
		 * @since 2.0
		 * @var array
		 */
		private static $store = array();
		/**
		 * A dummy constructor to prevent the class from being loaded more than once.
		 *
		 * @access public
		 * @since  1.0
		 */
		public function __construct() { /* Do nothing here */ }
		/**
		 * @access private
		 * @since  1.0
		 * @static
		 *
		 * @return ezTOC
		 */
		public static function instance() {
			if ( ! isset( self::$instance ) && ! ( self::$instance instanceof self ) ) {
				self::$instance = new self;
				self::defineConstants();
				self::includes();
				self::hooks();
				self::loadTextdomain();
			}
			return self::$instance;
		}
		/**
		 * Define the plugin constants.
		 *
		 * @access private
		 * @since  1.0
		 * @static
		 */
		private static function defineConstants() {
			define( 'EZ_TOC_DIR_NAME', plugin_basename( dirname( __FILE__ ) ) );
			define( 'EZ_TOC_BASE_NAME', plugin_basename( __FILE__ ) );
			define( 'EZ_TOC_PATH', dirname( __FILE__ ) );
			define( 'EZ_TOC_URL', plugin_dir_url( __FILE__ ) );
		}
		/**
		 * Includes the plugin dependency files.
		 *
		 * @access private
		 * @since  1.0
		 * @static
		 */
		private static function includes() {
			require_once( EZ_TOC_PATH . '/includes/class.options.php' );
			if ( is_admin() ) {
				// This must be included after `class.options.php` because it depends on it methods.
				require_once( EZ_TOC_PATH . '/includes/class.admin.php' );
				require_once(EZ_TOC_PATH. "/includes/helper-function.php" );
				require_once( EZ_TOC_PATH . '/includes/newsletter.php' );
			}
			require_once( EZ_TOC_PATH . '/includes/class.post.php' );
                        require_once( EZ_TOC_PATH . '/includes/class.widget-toc.php' );
			require_once( EZ_TOC_PATH . '/includes/class.widget-toc-sticky.php' );
			require_once( EZ_TOC_PATH . '/includes/Debug.php' );
			require_once( EZ_TOC_PATH . '/includes/inc.functions.php' );
			require_once( EZ_TOC_PATH . '/includes/inc.cord-functions.php' );
			require_once( EZ_TOC_PATH . '/includes/inc.plugin-compatibility.php' );
		}
		/**
		 * Add the core action filter hook.
		 *
		 * @access private
		 * @since  1.0
		 * @static
		 */
		private static function hooks() {
			add_action('admin_head', array( __CLASS__, 'addEditorButton' ));
			add_action( 'wp_enqueue_scripts', array( __CLASS__, 'enqueueScripts' ) );
			add_action( 'wp_head', array( __CLASS__, 'ez_toc_inline_styles' ) );
			add_action( 'wp_head', array( __CLASS__, 'ez_toc_schema_sitenav_creator' ) );			
			if ( in_array( 'divi-machine/divi-machine.php', apply_filters( 'active_plugins', get_option( 'active_plugins' ) ) ) || 'Fortunato Pro' == apply_filters( 'current_theme', get_option( 'current_theme' ) ) ) {
				add_option( 'ez-toc-post-content-core-level', false );
			}
						
			if ( ezTOC_Option::get( 'exclude_css' ) && 'css' == ezTOC_Option::get( 'toc_loading' ) ) {
				add_action( 'wp_enqueue_scripts', array( __CLASS__, 'enqueueScriptsforExcludeCSS' ) );
			}
				
			if( !self::checkBeaverBuilderPluginActive() ) {
				add_filter( 'the_content', array( __CLASS__, 'the_content' ), 100 );
				if( defined('EASY_TOC_AMP_VERSION') ){
					add_filter( 'ampforwp_modify_the_content', array( __CLASS__, 'the_content' ) );
				}
				add_filter( 'term_description',  array( __CLASS__, 'toc_term_content_filter' ), 99,2);
				add_filter( 'woocommerce_taxonomy_archive_description_raw',  array( __CLASS__, 'toc_category_content_filter_woocommerce' ), 99,2);
				add_shortcode( 'ez-toc', array( __CLASS__, 'shortcode' ) );                                    
				add_shortcode( apply_filters( 'ez_toc_shortcode', 'toc' ), array( __CLASS__, 'shortcode' ) );
				add_shortcode( 'ez-toc-widget-sticky', array( __CLASS__, 'ez_toc_widget_sticky_shortcode' ) );
				add_action('wp_footer', array(__CLASS__, 'stickyToggleContent'));
			}
		}
	
		/**
		 * is_sidebar_hastoc function
		 * @since 2.0.51
		 * @static
		 * @return bool
		 */
		public static function is_sidebar_hastoc() {
			$status = false;
			$generate_toc_link_ids = ezTOC_Option::get('generate_toc_link_ids');
			if($generate_toc_link_ids){
				return true;
			}
			$widget_blocks = get_option( 'widget_block' );
			foreach( (array) $widget_blocks as $widget_block ) {
				if ( ! empty( $widget_block['content'] ) && ( has_shortcode( $widget_block['content'] , 'toc' ) || has_shortcode( $widget_block['content'] , 'ez-toc' ) || has_shortcode( $widget_block['content'] , 'ez-toc-widget-sticky' ) ) ) {					
					$status = true;
					break;
				}
			}
			if(!$status){
				$widget_texts = get_option( 'widget_text' );
				foreach( (array) $widget_texts as $widget_text ) {
					if ( ! empty( $widget_text['text'] ) && ( has_shortcode( $widget_text['text'] , 'toc' ) || has_shortcode( $widget_text['text'] , 'ez-toc' ) || has_shortcode( $widget_text['text'] , 'ez-toc-widget-sticky' ) ) ) {					
						$status = true;						
						break;
					}
				}
			}
			if(!$status){
				$widget_cust_htmls = get_option( 'widget_custom_html' );				
				foreach( (array) $widget_cust_htmls as $widget_cust_html ) {
					if ( ! empty( $widget_cust_html['content'] ) && ( has_shortcode( $widget_cust_html['content'] , 'toc' ) || has_shortcode( $widget_cust_html['content'] , 'ez-toc' ) || has_shortcode( $widget_cust_html['content'] , 'ez-toc-widget-sticky' ) ) ) {					
						$status = true;						
						break;
					}
				}
			}
			
			return apply_filters('ez_toc_sidebar_has_toc_filter', $status);
		}
                
        /**
	 * enqueueScriptsforExcludeCSS Method
	 * for adding toggle css on loading as CSS
	 * @access public
	 * @since  2.0.40
         * @static
	 */
        public static function enqueueScriptsforExcludeCSS()
        {
                                
            $cssChecked = '#ez-toc-container input[type="checkbox"]:checked + nav, #ez-toc-widget-container input[type="checkbox"]:checked + nav {opacity: 0;max-height: 0;border: none;display: none;}';
            wp_register_style( 'ez-toc-exclude-toggle-css', '', array(), ezTOC::VERSION );
            wp_enqueue_style( 'ez-toc-exclude-toggle-css', '', array(), ezTOC::VERSION );
            wp_add_inline_style( 'ez-toc-exclude-toggle-css', $cssChecked );
        }
        
		/**
         * checkBeaverBuilderPluginActive Method
         * @since 2.0.34
		 * @return bool
		 */
		private static function checkBeaverBuilderPluginActive() {
			if( has_action( 'the_content' ) && isset($_REQUEST['fl_builder'])) {
				return true;
			}
			return false;
		}
		/**
		 * Load the plugin translation.
		 *
		 * Credit: Adapted from Ninja Forms / Easy Digital Downloads.
		 *
		 * @access private
		 * @since  1.0
		 * @static
		 *
		 * @uses   apply_filters()
		 * @uses   get_locale()
		 * @uses   load_textdomain()
		 * @uses   load_plugin_textdomain()
		 *
		 * @return void
		 */
		public static function loadTextdomain() {
			// Plugin textdomain. This should match the one set in the plugin header.
			$domain = 'easy-table-of-contents';
			// Set filter for plugin's languages directory
			$languagesDirectory = apply_filters( "ez_{$domain}_languages_directory", EZ_TOC_DIR_NAME . '/languages/' );
			// Traditional WordPress plugin locale filter
			$locale   = apply_filters( 'plugin_locale', get_locale(), $domain );
			$fileName = sprintf( '%1$s-%2$s.mo', $domain, $locale );
			// Setup paths to current locale file
			$local  = $languagesDirectory . $fileName;
			$global = WP_LANG_DIR . "/{$domain}/" . $fileName;
			if ( file_exists( $global ) ) {
				// Look in global `../wp-content/languages/{$domain}/` folder.
				load_textdomain( $domain, $global );
			} elseif ( file_exists( $local ) ) {
				// Look in local `../wp-content/plugins/{plugin-directory}/languages/` folder.
				load_textdomain( $domain, $local );
			} else {
				// Load the default language files
				load_plugin_textdomain( $domain, false, $languagesDirectory );
			}
		}
		public static function ez_toc_inline_styles(){
			if (ezTOC_Option::get( 'inline_css' )) {
				$screen_css = file_get_contents( EZ_TOC_PATH . '/assets/css/screen.min.css' );				
				$screen_css .= self::InlineCountingCSS( ezTOC_Option::get( 'heading-text-direction', 'ltr' ) );
            	$screen_css .= self::InlineCountingCSS( ezTOC_Option::get( 'heading-text-direction', 'ltr' ),'ez-toc-widget-direction','ez-toc-widget-container', 'counter', 'ez-toc-widget-container' );
				$screen_css .= self::inlineCSS();
				echo '';
			}
		}
		public static function ez_toc_schema_sitenav_creator(){
			if(ezTOC_Option::get( 'schema_sitenav_checkbox' ) == true){
			
				$post = ezTOC::get( get_the_ID() );
				if($post){
					$items = $post->getTocTitleId();
					if(!empty($items)){
						$output_array = array();
						foreach($items as $item){
							$output_array[] = array(
								"@context" => "https://schema.org",
								"@type"    => "SiteNavigationElement",
								'@id'      => '#ez-toc',
								"name"     => wp_strip_all_tags($item['title']),
								"url"      => get_permalink() ."#". $item['id'],
							);
						}
						if(!empty($output_array)){
							$schema_opt = array();	
							$schema_opt['@context'] = "https://schema.org"; 
							$schema_opt['@graph']   = $output_array; 
							echo '';
						}
						
					}
				}							
			}			
		}
		
		/**
		 * Call back for the `wp_enqueue_scripts` action.
		 *
		 * Register and enqueue CSS and javascript files for frontend.
		 *
		 * @access private
		 * @since  1.0
		 * @static
		 */
		public static function enqueueScripts() {
				$eztoc_post_id = get_the_ID();								
				// If SCRIPT_DEBUG is set and TRUE load the non-minified JS files, otherwise, load the minified files.
				$min = defined( 'SCRIPT_DEBUG' ) && SCRIPT_DEBUG ? '' : '.min';				
				if ( in_array( 'js_composer_salient/js_composer.php', apply_filters( 'active_plugins', get_option( 'active_plugins' ) ) ) ) {					
					$postMetaContent = get_post_meta( $eztoc_post_id, '_nectar_portfolio_extra_content',true );
					if( !empty( $postMetaContent ) ){
						update_option( 'ez-toc-post-meta-content', array( $eztoc_post_id => do_shortcode( $postMetaContent ) ) );
					}
				}
									
				// Register stylesheet which can be called later using wp_enqueue_style() 
				wp_register_style( 'ez-toc', EZ_TOC_URL . "assets/css/screen$min.css",array( ), ezTOC::VERSION );
				wp_register_style( 'ez-toc-sticky', EZ_TOC_URL . "assets/css/ez-toc-sticky{$min}.css", array(), self::VERSION );
				// Register scripts which can be called later using wp_enqueue_script() 																																
				$in_footer = true;
				if ( ezTOC_Option::get( 'load_js_in' ) == 'header' ) {
					$in_footer = false;
				}
				wp_register_script( 'ez-toc-sticky', '', array(), '', $in_footer );
				wp_register_script( 'ez-toc-js-cookie', EZ_TOC_URL . "vendor/js-cookie/js.cookie$min.js", array(), '2.2.1', $in_footer );
				wp_register_script( 'ez-toc-jquery-sticky-kit', EZ_TOC_URL . "vendor/sticky-kit/jquery.sticky-kit$min.js", array( 'jquery' ), '1.9.2', $in_footer );                        			
				wp_register_script( 'ez-toc-js', EZ_TOC_URL . "assets/js/front{$min}.js", array( 'jquery', 'ez-toc-js-cookie', 'ez-toc-jquery-sticky-kit' ), ezTOC::VERSION . '-' . filemtime( EZ_TOC_PATH . "/assets/js/front{$min}.js" ), $in_footer );
				wp_register_script( 'ez-toc-scroll-scriptjs', apply_filters('ez_toc_smscroll_jsfile_filter',EZ_TOC_URL . "assets/js/smooth_scroll{$min}.js"), array( 'jquery' ), ezTOC::VERSION, $in_footer );
				self::localize_scripts();
																													
				if ( self::is_enqueue_scripts_eligible() ) {
					self::enqueue_registered_script();	
					self::enqueue_registered_style();	
					self::inlineMainCountingCSS();
					if ( in_array( 'js_composer/js_composer.php', apply_filters( 'active_plugins', get_option( 'active_plugins' ) ) ) ) {
						self::inlineWPBakeryJS();
					}												
				}											
				
				if ( ezTOC_Option::get( 'sticky-toggle' ) ) {
					wp_enqueue_script( 'ez-toc-sticky', '', '', '', $in_footer );
					self::inlineStickyToggleJS();
				}
				if ( ezTOC_Option::get( 'sticky-toggle' ) ) {
					wp_enqueue_style( 'ez-toc-sticky' );
					self::inlineStickyToggleCSS();				                				
				}
				
		}
		
		/**
         * localize_scripts Method
         * Localize scripts
         *
         * @since  2.0.52
         * @static
         * @uses wp_localize_script()
         * @return void
         *
         */
		public static function localize_scripts(){
			    $eztoc_post_id = get_the_ID();
				$js_vars = array();
				if ( ezTOC_Option::get( 'smooth_scroll' ) ) {
					$js_vars['smooth_scroll'] = true;
				}else{
					$js_vars['smooth_scroll'] = false;
				}
				if ( ezTOC_Option::get( 'show_heading_text' ) && ezTOC_Option::get( 'visibility' ) ) {
					$width = ezTOC_Option::get( 'width' ) !== 'custom' ? ezTOC_Option::get( 'width' ) : (wp_is_mobile() ? 'auto' : ezTOC_Option::get( 'width_custom' ) . ezTOC_Option::get( 'width_custom_units' ));
					$js_vars['visibility_hide_by_default'] = ezTOC_Option::get( 'visibility_hide_by_default' ) ? true : false;
                                
					if( true == get_post_meta( $eztoc_post_id, '_ez-toc-visibility_hide_by_default', true ) ){
						$js_vars['visibility_hide_by_default'] = true;
						$js_vars['width'] = esc_js( $width );
					}                
				}else{
					if(ezTOC_Option::get( 'visibility' )){
						$js_vars['visibility_hide_by_default'] = ezTOC_Option::get( 'visibility_hide_by_default' ) ? true : false;
						if( true == get_post_meta( $eztoc_post_id, '_ez-toc-visibility_hide_by_default', true ) ){
							$js_vars['visibility_hide_by_default'] = true;
						}
												
					}
				}
				$offset = wp_is_mobile() ? ezTOC_Option::get( 'mobile_smooth_scroll_offset', 0 ) : ezTOC_Option::get( 'smooth_scroll_offset', 30 );
				$js_vars['scroll_offset'] = esc_js( $offset );
				if ( ezTOC_Option::get( 'widget_affix_selector' ) ) {
					$js_vars['affixSelector'] = ezTOC_Option::get( 'widget_affix_selector' );
				}
				if (ezTOC_Option::get( 'toc_loading' ) != 'css') {
					$icon = ezTOC::getTOCToggleIcon();
					if( function_exists( 'ez_toc_pro_activation_link' ) ) {
							$icon = apply_filters('ez_toc_modify_icon',$icon);
					}
					$js_vars['fallbackIcon'] = $icon;
				}
				if(ezTOC_Option::get( 'collapsable_sub_hd' )){
					$js_vars['collapseSubHd'] = true;
				}
				if(ezTOC_Option::get( 'ajax_load_more' )){
					$js_vars['ajax_toggle'] = true;
				}
				
				if ( 0 < count( $js_vars ) ) {
					wp_localize_script( 'ez-toc-js', 'ezTOC', $js_vars );
					// smooth scroll js localization
					$js_scroll = array();
					$js_scroll['scroll_offset'] = esc_js( $offset );					
					$js_scroll['add_request_uri'] = ezTOC_Option::get( 'add_request_uri' ) ? true : false;
					
					if(ezTOC_Option::get( 'smooth_scroll' ) && ezTOC_Option::get( 'avoid_anch_jump' )){
						$js_scroll['JumpJsLinks'] = true;
					}
					wp_localize_script( 'ez-toc-scroll-scriptjs', 'eztoc_smooth_local', $js_scroll );						
				}		
												
		}
		/**
         * enqueue_registered_style_and_script Method
         * Enqueue styles and scripts later after registered
         *
         * @since  2.0.52
         * @static
         * @uses wp_enqueue_style() & wp_enqueue_script()
         * @return void
         *
         */
		public static function enqueue_registered_style(){
			
			if(!ezTOC_Option::get( 'exclude_css' )){
				if ( ! ezTOC_Option::get( 'inline_css' ) ) {
					wp_enqueue_style( 'ez-toc' );
					$css = self::inlineCSS();
					wp_add_inline_style( 'ez-toc', $css );
				}
			}
												
		}
		/**
         * enqueue_registered_style_and_script Method
         * Enqueue styles and scripts later after registered
         *
         * @since  2.0.52
         * @static
         * @uses wp_enqueue_style() & wp_enqueue_script()
         * @return void
         *
         */
		public static function enqueue_registered_script(){
			if (ezTOC_Option::get( 'toc_loading' ) == 'js') {
					if ( ezTOC_Option::get( 'smooth_scroll' ) ) {
						wp_enqueue_script( 'ez-toc-scroll-scriptjs' );
					}					
					wp_enqueue_script( 'ez-toc-js' );
			}
		}
                        
        /**
         * inlineWPBakeryJS Method
         * Javascript code for WP Bakery Plugin issue for mobile screen
         *
         * @since  2.0.35
         * @static
         * @uses \wp_add_inline_script()
         * @return void
         *
         * ez-toc-list ez-toc-link
         * ez-toc-section
         */
        private static function inlineWPBakeryJS()
        {
            $stickyJS = '';
            if( wp_is_mobile() )
			{
                $stickyJS = << 0) {
    let ezTocStickyContainerUL = ezTocStickyContainer.querySelectorAll('.ez-toc-link');
    for(let i = 0; i < ezTocStickyContainerUL.length; i++) {
        let anchorHREF = ezTocStickyContainerUL[i].getAttribute('href');
        ezTocStickyContainerUL[i].setAttribute('href', anchorHREF + '-' + uniqID);
    }
}       
INLINESTICKJSFORMOBILE;
            }
            $inlineWPBakeryJS = << 0) {
    let ezTocContainerUL = mobileContainer.querySelectorAll('.ez-toc-link');
    let uniqID = 'xs-sm-' + Math.random().toString(16).slice(2);
    for(let i = 0; i < ezTocContainerUL.length; i++) {
        let anchorHREF = ezTocContainerUL[i].getAttribute('href');
        mobileContainer.querySelector("span.ez-toc-section"+ anchorHREF).setAttribute('id', anchorHREF.replace
            ('#','') + '-' +
            uniqID);
        ezTocContainerUL[i].setAttribute('href', anchorHREF + '-' + uniqID);
    }
    $stickyJS
    
}    
INLINEWPBAKERYJS;
            wp_add_inline_script( 'ez-toc-js', $inlineWPBakeryJS );
        }
		/**
		 * Prints out inline CSS after the core CSS file to allow overriding core styles via options.
		 *
		 * @access private
		 * @since  1.0
		 * @static
		 */
		public static function inlineCSS() {
			$css = '';
			if('Chamomile' == apply_filters( 'current_theme', get_option( 'current_theme' ) )){
				$css .= '@media screen and (max-width: 1000px) {
				          #ez-toc-container nav{
				            display: block;        
				          }    
				        }';
			}
			if ( ! ezTOC_Option::get( 'exclude_css' ) ) {
				$css .= 'div#ez-toc-container .ez-toc-title {font-size: ' . esc_attr( ezTOC_Option::get( 'title_font_size', 120 ) ) . esc_attr( ezTOC_Option::get( 'title_font_size_units', '%' ) ) . ';}';
				$css .= 'div#ez-toc-container .ez-toc-title {font-weight: ' . esc_attr( ezTOC_Option::get( 'title_font_weight', 500 ) ) . ';}';
				$css .= 'div#ez-toc-container ul li {font-size: ' . esc_attr(ezTOC_Option::get( 'font_size' )) . esc_attr(ezTOC_Option::get( 'font_size_units' )) . ';}';
				$css .= 'div#ez-toc-container ul li {font-weight: ' . esc_attr( ezTOC_Option::get( 'font_weight', 500 ) ) . ';}';
				$css .= 'div#ez-toc-container nav ul ul li {font-size: ' . esc_attr( ezTOC_Option::get( 'child_font_size' ) . esc_attr(ezTOC_Option::get( 'child_font_size_units' ) )) . ';}';
				if ( ezTOC_Option::get( 'theme' ) === 'custom' || ezTOC_Option::get( 'width' ) != 'auto' ) {
					$css .= 'div#ez-toc-container {';
					if ( ezTOC_Option::get( 'theme' ) === 'custom' ) {
						$css .= 'background: ' . esc_attr( ezTOC_Option::get( 'custom_background_colour','#f9f9f9' ) ) . ';border: '.esc_attr( ezTOC_Option::get( 'custom_border_size' ,1) ).'px solid ' . esc_attr( ezTOC_Option::get( 'custom_border_colour' ,'#aaa') ) . ';';
					}
					if ( 'auto' !== ezTOC_Option::get( 'width' ) ) {
						$css .= 'width: ';
						if ( 'custom' !== ezTOC_Option::get( 'width' ) ) {
							$css .= ezTOC_Option::get( 'width' );
						} else {
							$css .= wp_is_mobile() ? 'auto' : ezTOC_Option::get( 'width_custom' ) . ezTOC_Option::get( 'width_custom_units' );
						}
						$css .= ';';
					}
					$css .= '}';
				}
				if ( 'custom' === ezTOC_Option::get( 'theme' ) ) {
					$css .= 'div#ez-toc-container p.ez-toc-title , #ez-toc-container .ez_toc_custom_title_icon , #ez-toc-container .ez_toc_custom_toc_icon {color: ' . esc_attr( ezTOC_Option::get( 'custom_title_colour' ) ) . ';}';
					$css .= 'div#ez-toc-container ul.ez-toc-list a {color: ' . esc_attr( ezTOC_Option::get( 'custom_link_colour' ) ) . ';}';
					$css .= 'div#ez-toc-container ul.ez-toc-list a:hover {color: ' . esc_attr( ezTOC_Option::get( 'custom_link_hover_colour' ) ) . ';}';
					$css .= 'div#ez-toc-container ul.ez-toc-list a:visited {color: ' . esc_attr( ezTOC_Option::get( 'custom_link_visited_colour' ) ) . ';}';
					
				}
				if(ezTOC_Option::get( 'headings-padding' )){
					$css .= self::inlineHeadingsPaddingCSS();	
				}
                                
			}
			return apply_filters('ez_toc_pro_inline_css',$css);
			
		}
        /**
         * inlineMainCountingCSS Method
         * for adding inlineCounting CSS
         * in wp_head in last
         * @since 2.0.37
         * @return void
        */
        public static function inlineMainCountingCSS() {
            $css = '';
            /**
             * RTL Direction
             * @since 2.0.33
            */
            $css .= self::InlineCountingCSS( ezTOC_Option::get( 'heading-text-direction', 'ltr' ) );
            $css .= self::InlineCountingCSS( ezTOC_Option::get( 'heading-text-direction', 'ltr' ),'ez-toc-widget-direction','ez-toc-widget-container', 'counter', 'ez-toc-widget-container' );
            if( ezTOC_Option::get( 'sticky-toggle' ) ) {
                $cssSticky = self::InlineCountingCSS( ezTOC_Option::get( 'heading-text-direction', 'ltr' ), 'ez-toc-sticky-toggle-direction', 'ez-toc-sticky-toggle-counter', 'counter', 'ez-toc-sticky-container' );
                wp_add_inline_style( 'ez-toc-sticky', $cssSticky );
            }
            /* End rtl direction */
            if ( ! ezTOC_Option::get( 'exclude_css' ) ) {
                  wp_add_inline_style( 'ez-toc', $css );
            }
        }
        /**
         * InlineCountingCSS Method
         * @since 2.0.33
         * @scope private
         * @static
         * @param string $direction
         * @param string $directionClass
         * @param string $class
         * @param string $counter
         * @param string $containerId
         * @return string
        */
        public static function InlineCountingCSS( $direction = 'ltr', $directionClass = 'ez-toc-container-direction', $class = 'ez-toc-counter',  $counter = 'counter', $containerId = 'ez-toc-container' )
        {
            $list_type = ezTOC_Option::get( $counter, 'decimal' );
			if( $list_type != 'none' ) {
	            $inlineCSS = '';
	            $counterListAll = array_merge( ezTOC_Option::getCounterListDecimal(), ezTOC_Option::getCounterList_i18n() );
	            $listTypesForCounting = array_keys( $counterListAll );
	            $inlineCSS .= << 20 ) {
                    $topMarginStickyContainer = '70px';
                }
                if( strlen($toc_title) > 40 ) {
                    $topMarginStickyContainer = '80px';
                }
                if( strlen($toc_title) > 60 ) {
                    $topMarginStickyContainer = '90px';
                }
            }
			$stickyToggleAlignTop="8%";
			$stickyToggleAlignChk = ezTOC_Option::get( 'sticky-toggle-alignment' ); 
			if ( !empty($stickyToggleAlignChk) ) {
				
				if($stickyToggleAlignChk  == 'middle'){
					$stickyToggleAlignTop = '45%';
				}
				if($stickyToggleAlignChk  == 'bottom'){
					$stickyToggleAlignTop = '75%';
				}
			}
			$stickyBgColor="#fff";
			$stickyHeadTxtColor="#111";
			$stickyHeadBgColor="#fff";
			$stickyAddlCss="";
			$stickyHeadTxtWeight =600;
			$stickyHeadTxtSize =18;
		
			$stickyAddlCss = apply_filters('ez_toc_sticky_pro_css', $stickyAddlCss );
		
            $inlineStickyToggleCSS = <<', '', $all_urls);
				$urls_arr = explode(PHP_EOL, $all_urls);
				if(is_array($urls_arr)){
					foreach ($urls_arr as $url_arr) {
						if ( isset($_SERVER['REQUEST_URI']) && false !== strpos( $_SERVER['REQUEST_URI'], $url_arr ) ) {
							Debug::log( 'is_restricted_path', 'In restricted path, post not eligible.', ezTOC_Option::get( 'restrict_path' ) );
							return false;
						}
					}
				}
			}
						
			if ( has_shortcode( $post->post_content, apply_filters( 'ez_toc_shortcode', 'toc' ) ) || has_shortcode( $post->post_content, 'ez-toc' ) ) {
				Debug::log( 'has_ez_toc_shortcode', 'Has instance of shortcode.', true );
				return true;
			}
                        
			if ( is_front_page() && ! ezTOC_Option::get( 'include_homepage' ) ) {
				Debug::log( 'is_front_page', 'Is frontpage, TOC is not enabled.', false );
				return false;
			}
			$type = get_post_type( $post->ID );
			Debug::log( 'current_post_type', 'Post type is.', $type );
			$enabled = in_array( $type, ezTOC_Option::get( 'enabled_post_types', array() ), true );
			$insert  = in_array( $type, ezTOC_Option::get( 'auto_insert_post_types', array() ), true );
			Debug::log( 'is_supported_post_type', 'Is supported post type?', $enabled );
			Debug::log( 'is_auto_insert_post_type', 'Is auto insert for post types?', $insert );
			if ( $insert || $enabled ) {
				if ( ezTOC_Option::get( 'restrict_path' ) ) {
					/**
					 * @link https://wordpress.org/support/topic/restrict-path-logic-does-not-work-correctly?
					 */
					if ( isset($_SERVER['REQUEST_URI']) && false !== strpos( ezTOC_Option::get( 'restrict_path' ), $_SERVER['REQUEST_URI'] ) ) {
						Debug::log( 'is_restricted_path', 'In restricted path, post not eligible.', ezTOC_Option::get( 'restrict_path' ) );
						return false;
					} else {
						Debug::log( 'is_not_restricted_path', 'Not in restricted path, post is eligible.', ezTOC_Option::get( 'restrict_path' ) );
						return true;
					}
				} else {
					if ( $insert && 1 === (int) get_post_meta( $post->ID, '_ez-toc-disabled', true ) ) {
						Debug::log( 'is_auto_insert_disable_post_meta', 'Auto insert enabled and disable TOC is enabled in post meta.', false );
						return false;
					} elseif ( $insert && 0 === (int) get_post_meta( $post->ID, '_ez-toc-disabled', true ) ) {
						Debug::log( 'is_auto_insert_enabled_post_meta', 'Auto insert enabled and disable TOC is not enabled in post meta.', true );
						return true;
					} elseif ( $enabled && 1 === (int) get_post_meta( $post->ID, '_ez-toc-insert', true ) ) {
						Debug::log( 'is_supported_post_type_disable_insert_post_meta', 'Supported post type and insert TOC is enabled in post meta.', true );
						return true;
					} elseif ( $enabled && $insert ) {
						Debug::log( 'supported_post_type_and_auto_insert', 'Supported post type and auto insert TOC is enabled.', true );
						return true;
					}
					Debug::log( 'not_auto_insert_or_not_supported_post_type', 'Not supported post type or insert TOC is disabled.', false );
					return false;
				}
			} else {
				Debug::log( 'not_auto_insert_and_not_supported post_type', 'Not supported post type and do not auto insert TOC.', false );
				return false;
			}
		}
		/**
		 * Get TOC from store and if not in store process post and add it to the store.
		 *
		 * @since 2.0
		 *
		 * @param int $id
		 *
		 * @return ezTOC_Post|null
		 */
		public static function get( $id ) {
			$post = null;
			if ( isset( self::$store[ $id ] ) && self::$store[ $id ] instanceof ezTOC_Post && !in_array( 'js_composer_salient/js_composer.php', apply_filters( 'active_plugins', get_option( 'active_plugins' ) ) ) ) {
				$post = self::$store[ $id ];
			} else {
				
				$post_id = ! empty( $id ) ? $id : get_the_ID();
				$post = ezTOC_Post::get( $post_id );
				if ( $post instanceof ezTOC_Post ) {
					self::$store[ $id ] = $post;
				}
			}
			return $post;
		}
        /**
         * Callback for the registered shortcode `[ez-toc-widget-sticky]`
         *
         * NOTE: Shortcode is run before the callback @see ezTOC::the_content() for the `the_content` filter
         *
         * @access private
         * @since  2.0.41
         *
         * @param array|string $atts    Shortcode attributes array or empty string.
         * @param string       $content The enclosed content (if the shortcode is used in its enclosing form)
         * @param string       $tag     Shortcode name.
         *
         * @return string
         */
        public static function ez_toc_widget_sticky_shortcode( $atts, $content, $tag ) {             global $wp_widget_factory;
            if ( 'ez-toc-widget-sticky' == $tag ) {
    
                extract( shortcode_atts( array(
                    'highlight_color' => '#ededed',
                    'title' => 'Table of Contents',
                    'advanced_options' => '',
                    'scroll_fixed_position' => 30,
                    'sidebar_width' => 'auto',
                    'sidebar_width_size_unit' => 'none',
                    'fixed_top_position' => 30,
                    'fixed_top_position_size_unit' => 'px',
                    'navigation_scroll_bar' => 'on',
                    'scroll_max_height' => 'auto',
                    'scroll_max_height_size_unit' => 'none',
                    'ez_toc_widget_sticky_before_widget_container' => '',
                    'ez_toc_widget_sticky_before_widget' => '',
                    'ez_toc_widget_sticky_before' => '',
                    'ez_toc_widget_sticky_after' => '',
                    'ez_toc_widget_sticky_after_widget' => '',
                    'ez_toc_widget_sticky_after_widget_container' => '',
                ), $atts ) );
                $widget_name = wp_specialchars( 'ezTOC_WidgetSticky' );
                
                $instance = array(
                    'title' => ( ! empty ( $title ) ) ? $title : '',
                    'highlight_color' => ( ! empty ( $highlight_color ) ) ? $highlight_color : '#ededed',
                    'advanced_options' => ( ! empty ( $advanced_options ) ) ? $advanced_options : '',
                    'scroll_fixed_position' => ( ! empty ( $scroll_fixed_position ) ) ? ( int ) $scroll_fixed_position : 30,
                    'sidebar_width' => ( ! empty ( $sidebar_width ) ) ? ( 'auto' == $sidebar_width ) ? $sidebar_width : ( int ) strip_tags ( $sidebar_width ) : 'auto',
                    'sidebar_width_size_unit' => ( ! empty ( $sidebar_width_size_unit ) ) ? $sidebar_width_size_unit : 'none',
                    'fixed_top_position' => ( ! empty ( $fixed_top_position ) ) ? ( 'auto' == $fixed_top_position ) ? $fixed_top_position : ( int ) strip_tags ( $fixed_top_position ) : 30,
                    'fixed_top_position_size_unit' => ( ! empty ( $fixed_top_position_size_unit ) ) ? $fixed_top_position_size_unit : 'px',
                    'navigation_scroll_bar' => ( ! empty ( $navigation_scroll_bar ) ) ? $navigation_scroll_bar : 'on',
                    'scroll_max_height' => ( ! empty ( $scroll_max_height ) ) ? ( 'auto' == $scroll_max_height ) ? $scroll_max_height : ( int ) strip_tags ( $scroll_max_height ) : 'auto',
                    'scroll_max_height_size_unit' => ( ! empty ( $scroll_max_height_size_unit ) ) ? $scroll_max_height_size_unit : 'none',
                );
                
                if ( !is_a( $wp_widget_factory->widgets[ $widget_name ], 'WP_Widget' ) ):
                    $wp_class = 'WP_Widget_' . ucwords(strtolower($class));
                    if (!is_a($wp_widget_factory->widgets[$wp_class], 'WP_Widget')):
                        return ''.sprintf(__("%s: Widget class not found. Make sure this widget exists and the class name is correct"),''.$class.'').'
';
                    else:
                        $class = $wp_class;
                    endif;
                endif;
                $id = uniqid( time() );
                ob_start();
                the_widget( $widget_name, $instance, array(
                    'widget_id' => 'ez-toc-widget-sticky-' . $id,
                    'ez_toc_widget_sticky_before_widget_container' => $ez_toc_widget_sticky_before_widget_container,
                    'ez_toc_widget_sticky_before_widget' => $ez_toc_widget_sticky_before_widget,
                    'ez_toc_widget_sticky_before' => $ez_toc_widget_sticky_before,
                    'ez_toc_widget_sticky_after' => $ez_toc_widget_sticky_after,
                    'ez_toc_widget_sticky_after_widget' => $ez_toc_widget_sticky_after_widget,
                    'ez_toc_widget_sticky_after_widget_container' => $ez_toc_widget_sticky_after_widget_container,
                    ) 
                );
                $output = ob_get_contents();
                ob_end_clean();
                return $output;
            }
        }
                
		/**
		 * Callback for the registered shortcode `[ez-toc]`
		 *
		 * NOTE: Shortcode is run before the callback @see ezTOC::the_content() for the `the_content` filter
		 *
		 * @access private
		 * @since  1.3
		 *
		 * @param array|string $atts    Shortcode attributes array or empty string.
		 * @param string       $content The enclosed content (if the shortcode is used in its enclosing form)
		 * @param string       $tag     Shortcode name.
		 *
		 * @return string
		 */
		public static function shortcode( $atts, $content, $tag ) {
				//Enqueue css and styles if that has not been added by wp_enqueue_scripts			
				$html = '';
				
				if(!ez_toc_shortcode_enable_support_status($atts)){
					return $html;
				}												
				if( ( ezTOC_Option::get( 'toc-run-on-amp-pages', 1 ) !== false && 0 == ezTOC_Option::get( 'toc-run-on-amp-pages', 1 ) || '0' == ezTOC_Option::get( 'toc-run-on-amp-pages', 1 ) || false == ezTOC_Option::get( 'toc-run-on-amp-pages', 1 ) ) && !ez_toc_non_amp() ){
					return $html;
				}
				
				self::enqueue_registered_script();	
				self::enqueue_registered_style();	
				self::inlineMainCountingCSS();				
				$post_id = isset( $atts['post_id'] ) ? (int) $atts['post_id'] : get_the_ID();																					
																				
				$post = self::get( $post_id );
				if ( ! $post instanceof ezTOC_Post ) {
						Debug::log( 'not_instance_of_post', 'Not an instance if `WP_Post`.', get_the_ID() );
						return Debug::log()->appendTo( $content );
				}
									
				$options =  array();
				if (isset($atts["header_label"])) {
					$options['header_label'] = $atts["header_label"];
				}
				if (isset($atts["display_header_label"]) && $atts["display_header_label"] == "no") {
					$options['no_label'] = true;
				}
				if (isset($atts["toggle_view"]) && $atts["toggle_view"] == "no") {
					$options['no_toggle'] = true;
				}
				if (isset($atts["initial_view"]) && $atts["initial_view"] == 'hide') {
					$options['visibility_hide_by_default'] = true;
				}
				if (isset($atts["display_counter"]) && $atts["display_counter"] == "no") {
					$options['no_counter'] = true;
				}
				if (isset($atts["view_more"]) && $atts["view_more"] > 0) {
					$options['view_more'] = $atts["view_more"];
				}
				$html = count($options) > 0 ? $post->getTOC($options) : $post->getTOC();			
				
				return $html;
		}
		/**
		 * Whether or not apply `the_content` filter.
		 *
		 * @since 2.0
		 *
		 * @return bool
		 */
		private static function maybeApplyTheContentFilter() {
			$apply = true;
			global $wp_current_filter;
			// Do not execute if root current filter is one of those in the array.
			if ( in_array( $wp_current_filter[0], array( 'get_the_excerpt', 'init', 'wp_head' ), true ) ) {
				$apply = false;
			}
			// bail if feed, search or archive
			if ( is_feed() || is_search() || is_archive() ) {
				
				if( (true == ezTOC_Option::get( 'include_category', false) && is_category()) || (true == ezTOC_Option::get( 'include_tag', false) && is_tag()) || (true == ezTOC_Option::get( 'include_product_category', false) &&  (function_exists('is_product_category') && is_product_category()) ) || (true == ezTOC_Option::get( 'include_custom_tax', false) && is_tax())) {
					
					$apply = true;
				} else {
					$apply = false;
				}
			}
			                        
			if( function_exists('get_current_screen') ) {
				$my_current_screen = get_current_screen();
				if ( isset( $my_current_screen->id )  ) {
					if( $my_current_screen->id == 'edit-post' ) {          
						$apply = false;
					}
				}
			}
			if ( ! empty( array_intersect( $wp_current_filter, array( 'get_the_excerpt', 'init', 'wp_head' ) ) ) ) {
				$apply = false;
			}
			/**
			 * Whether or not to apply `the_content` filter callback.
			 *
			 * @see ezTOC::the_content()
			 *
			 * @since 2.0
			 *
			 * @param bool $apply
			 */			
			return apply_filters( 'ez_toc_maybe_apply_the_content_filter', $apply );
		}
		/**
		 * Callback for the `the_content` filter.
		 *
		 * This will add the inline table of contents page anchors to the post content. It will also insert the
		 * table of contents inline with the post content as defined by the user defined preference.
		 *
		 * @since 1.0
		 *
		 * @param string $content
		 *
		 * @return string
		 */
		public static function the_content( $content ) {
				$content = apply_filters('eztoc_modify_the_content',$content);
                    
				if( function_exists( 'post_password_required' ) ) {
					if( post_password_required() ) return Debug::log()->appendTo( $content );
				}
			
				$maybeApplyFilter = self::maybeApplyTheContentFilter();													
				
				if ( in_array( 'divi-machine/divi-machine.php', apply_filters( 'active_plugins', get_option( 'active_plugins' ) ) ) || 'Fortunato Pro' == apply_filters( 'current_theme', get_option( 'current_theme' ) ) ) {
					update_option( 'ez-toc-post-content-core-level', $content );
			}
			Debug::log( 'the_content_filter', 'The `the_content` filter applied.', $maybeApplyFilter );
			if ( ! $maybeApplyFilter ) {
				return Debug::log()->appendTo( $content );
			}
			// Bail if post not eligible and widget is not active.
			$isEligible = self::is_eligible( get_post() );
			
			//More button
			$options =  array();
			if (ezTOC_Option::get( 'ctrl_headings' ) == true) {
				$options['view_more'] = ezTOC_Option::get( 'limit_headings_num' );
			}
			$isEligible = apply_filters('eztoc_do_shortcode',$isEligible);
			if($isEligible){
				if(!ez_toc_auto_device_target_status()){
					$isEligible = false;
				}
			}
			Debug::log( 'post_eligible', 'Post eligible.', $isEligible );
			$return_only_an = false; 
			if(!$isEligible && (self::is_sidebar_hastoc() || is_active_widget( false, false, 'ezw_tco' ) || is_active_widget( false, false, 'ez_toc_widget_sticky' ) || ezTOC_Option::get('sticky-toggle') )){
				$isEligible = true;
				$return_only_an = true;
			}
			if ( ! $isEligible ) {
				return Debug::log()->appendTo( $content );
			}
			
			$post = self::get( get_the_ID() );
			if ( ! $post instanceof ezTOC_Post ) {
				Debug::log( 'not_instance_of_post', 'Not an instance if `WP_Post`.', get_the_ID() );
				return Debug::log()->appendTo( $content );
			}
			// Bail if no headings found.
			if ( ! $post->hasTOCItems() ) {
				return Debug::log()->appendTo( $content );
			}
                        
                        $find    = $post->getHeadings();
                        $replace = $post->getHeadingsWithAnchors();
                        $toc 	 = count($options) > 0 ? $post->getTOC($options) : $post->getTOC();
                            
			$headings = implode( PHP_EOL, $find );
			$anchors  = implode( PHP_EOL, $replace );
			$headingRows = count( $find ) + 1;
			$anchorRows  = count( $replace ) + 1;
			$style = "background-image: linear-gradient(#F1F1F1 50%, #F9F9F9 50%); background-size: 100% 4em; border: 1px solid #CCC; font-family: monospace; font-size: 1em; line-height: 2em; margin: 0 auto; overflow: auto; padding: 0 8px 4px; white-space: nowrap; width: 100%;";
			Debug::log(
				'found_post_headings',
				'Found headings:',
				""
			);
			Debug::log(
				'replace_post_headings',
				'Replace found headings with:',
				""
			);
			
			if ( $return_only_an ) {
				Debug::log( 'side_bar_has shortcode', 'Shortcode found, add links to content.', true );
				return mb_find_replace( $find, $replace, $content );
			}
			// If shortcode used or post not eligible, return content with anchored headings.
			if ( strpos( $content, 'ez-toc-container' ) || ! $isEligible ) {
				Debug::log( 'shortcode_found', 'Shortcode found, add links to content.', true );
				return mb_find_replace( $find, $replace, $content );
			}
			$position = ezTOC_Option::get( 'position' );
			Debug::log( 'toc_insert_position', 'Insert TOC at position', $position );
			switch ( $position ) {
				case 'top':
					$content = $toc . mb_find_replace( $find, $replace, $content );
					break;
				case 'bottom':
					$content = mb_find_replace( $find, $replace, $content ) . $toc;
					break;
				case 'after':
					$replace[0] = $replace[0] . $toc;
					$content    = mb_find_replace( $find, $replace, $content );
					break;
				case 'afterpara':
					$exc_blkqt = ezTOC_Option::get( 'blockqoute_checkbox' );
					//blockqoute
					$blockquotes = array();
					if($exc_blkqt == true){
						preg_match_all("/(.*?)<\/blockquote>/s", $content, $blockquotes);
						if(!empty($blockquotes)){
					    	$content = ez_toc_para_blockquote_replace($blockquotes, $content, 1);
					   	}
					}
					$content = insertElementByPTag( mb_find_replace( $find, $replace, $content ), $toc );
					//add blockqoute back
					if($exc_blkqt == true && !empty($blockquotes)){
					    $content = ez_toc_para_blockquote_replace($blockquotes, $content, 2);
				    }
					break;
				case 'aftercustompara':
					$exc_blkqt = ezTOC_Option::get( 'blockqoute_checkbox' );
					//blockqoute
					$blockquotes = array();
					if($exc_blkqt == true){
						preg_match_all("/(.*?)<\/blockquote>/s", $content, $blockquotes);
						if(!empty($blockquotes)){
					    	$content = ez_toc_para_blockquote_replace($blockquotes, $content, 1);
					   	}
					}
					$paragraph_index = ezTOC_Option::get( 'custom_para_number' );
					if($paragraph_index == 1){
						$content = insertElementByPTag( mb_find_replace( $find, $replace, $content ), $toc );
					}else if($paragraph_index > 1){
						$closing_p = '
';
						$paragraphs = explode( $closing_p, $content );
						if(!empty($paragraphs) && is_array($paragraphs) && $paragraph_index <= count($paragraphs)){
							$paragraph_id = $paragraph_index;
							foreach ($paragraphs as $index => $paragraph) {
								if ( trim( $paragraph ) ) {
									$paragraphs[$index] .= $closing_p;
								}
								$pos = strpos($paragraph, ' 1){
						$closing_img = '';
						$imgs = explode( $closing_img, $content );
						if(!empty($imgs) && is_array($imgs) && $img_index <= count($imgs)){
							$img_id = $img_index;
							foreach ($imgs as $index => $img) {
								if ( trim( $img ) ) {
									$imgs[$index] .= $closing_img;
								}
								$pos = strpos($img, ']*' . preg_quote( $replace[0], '`' ) . '`msuU';
					$result  = preg_match( $pattern, $content, $matches );
					/*
					 * Try to place TOC before the first heading found in eligible heading, failing that,
					 * insert TOC at top of content.
					 */
					if ( 1 === $result ) {
						Debug::log( 'toc_insert_position_found', 'Insert TOC before first eligible heading.', $result );
						$start   = strpos( $content, $matches[0] );
						$content = substr_replace( $content, $toc, $start, 0 );
					} else {
						Debug::log( 'toc_insert_position_not_found', 'Insert TOC before first eligible heading not found.', $result );
					}
			}
            
			return Debug::log()->appendTo( $content );
		}
		/**
		 * stickyToggleContent Method
		 * Call back for the `wp_footer` action.
		 *
		 * @since  2.0.32
		 * @static
		 */
		public static function stickyToggleContent() {
			if(ezTOC_Option::get('sticky-toggle')){
			  
			  if(ez_toc_stikcy_enable_support_status()){
				if( function_exists( 'post_password_required' ) ) {
					if(post_password_required() ) {
						return false;
					}
			    }
				$toggleClass = "hide";
				$linkZindex  = "";
				$post = self::get( get_the_ID() );
				if ( null !== $post) {
					$stickyToggleTOC = $post->getStickyToggleTOC();
					if(!empty($stickyToggleTOC)){
						$openButtonText = __( 'Index', 'easy-table-of-contents' );
						if( !empty( ezTOC_Option::get( 'sticky-toggle-open-button-text' ) ) ) {
							$openButtonText = ezTOC_Option::get( 'sticky-toggle-open-button-text' );
						}
						if( !empty( ezTOC_Option::get( 'sticky-toggle-open' ) ) ) {
							$isTOCOpen = ezTOC_Option::get( 'sticky-toggle-open' );
							if($isTOCOpen){
								$toggleClass="show";
								$linkZindex="style='z-index:-1;'";
							}
						}
						
					$arrowSide = ( 'right' == ezTOC_Option::get( 'sticky-toggle-position', 'left') )?"←":"→"; 
					
					$themeClass = 'ez-toc-sticky-'.ezTOC_Option::get( 'sticky_theme', 'grey' );
										
					echo <<
							
								
							
							
								{$arrowSide}
								{$openButtonText}
							
						
STICKYTOGGLEHTML;
					}
				}
			  }
			}			
		}
		/**
		 * Call back for the `wp_head` action.
		 *
		 * Add add button for shortcode in wysisyg editor .
		 *
		 * @access private
		 * @since  1.0
		 * @static
		 */
		public static function addEditorButton() {
			
            if ( !current_user_can( 'edit_posts' ) &&  !current_user_can( 'edit_pages' ) ) {
                       return;
               }
			   
		
           if ( 'true' == get_user_option( 'rich_editing' ) ) {
               add_filter( 'mce_external_plugins', array( __CLASS__, 'toc_add_tinymce_plugin'));
               add_filter( 'mce_buttons', array( __CLASS__, 'toc_register_mce_button' ));
               }
			
		}
		
		/**
		 * Call back for the `mce_external_plugins` action.
		 *
		 * Register new button in the editor.
		 *
		 * @access private
		 * @since  1.0
		 * @static
		 */		
		
		public static function toc_register_mce_button( $buttons ) {
            
				array_push( $buttons, 'toc_mce_button' );
				return $buttons;
		}
			
		/**
		 * Call back for the `mce_buttons` action.
		 *
		 * Add  js to insert the shortcode on the click event.
		 *
		 * @access private
		 * @since  1.0
		 * @static
		 */
		public static function toc_add_tinymce_plugin( $plugin_array ) {
			
				$plugin_array['toc_mce_button'] = EZ_TOC_URL .'assets/js/toc-mce-button.js';
				return $plugin_array;
		}
		/**
         * getTOCToggleIcon Method
         * @access public
   		 * @since  2.0.35
   		 * @static
		 * @return string
		 */
		public static function getTOCToggleIcon( $type = '' )
		{
			$iconColor = '#000000';
			if( ezTOC_Option::get( 'custom_title_colour' ) )
			{
				$iconColor = ezTOC_Option::get( 'custom_title_colour' );
			}
			$spanClass = '';
			if( ezTOC_Option::get( 'toc_loading' ) == 'css' && $type != 'widget-with-visibility_on_header_text' ) 
			{
				$spanClass = 'ez-toc-cssicon';
			}
			return 'Toggle';
		}
		 /**
         * the_category_content_filter Method
         * @access public
   		 * @since  2.0.46
   		 * @static
		 * @return string
		 */
		public static function toc_term_content_filter( $description , $term_id ) {
                    if( (is_category() && true == ezTOC_Option::get( 'include_category', false)) || (is_tax() && true == ezTOC_Option::get( 'include_custom_tax', false)) || (is_tag() && true == ezTOC_Option::get( 'include_tag', false)) ) {
						if(!is_admin() && !empty($description)){							
							return self::the_content($description);
						}
                    }
                    return $description;
		}
		public static function toc_category_content_filter_woocommerce( $description , $term ) {
					if( true == ezTOC_Option::get( 'include_product_category', false) ) {
						if(!is_admin() && !empty($description)){
							return self::the_content($description);
						}
					}
					return $description;
		}
	}
	/**
	 * The main function responsible for returning the Easy Table of Contents instance to functions everywhere.
	 *
	 * Use this function like you would a global variable, except without needing to declare the global.
	 *
	 * Example: 
	 *
	 * @access public
	 * @since  1.0
	 *
	 * @return ezTOC
	 */
	function ezTOC() {
		return ezTOC::instance();
	}
	// Start Easy Table of Contents.
	add_action( 'plugins_loaded', 'ezTOC' );
}
register_activation_hook(__FILE__, 'ez_toc_activate');
add_action('admin_init', 'ez_toc_redirect');
function ez_toc_activate() {
    add_option('ez_toc_do_activation_redirect', true);
}
function ez_toc_redirect() {
    if (get_option('ez_toc_do_activation_redirect', false)) {
        delete_option('ez_toc_do_activation_redirect');
        if(!isset($_GET['activate-multi']))
        {
            wp_redirect("options-general.php?page=table-of-contents#welcome");
        }
    }
}
/**
 * Added [no-ez-toc] to disbale TOC on specific page/post
 * @since 2.0.56
 */
add_shortcode( 'no-ez-toc', 'ez_toc_noeztoc_callback' );
function ez_toc_noeztoc_callback( $atts, $content = "" ) {
	add_filter(
		'ez_toc_maybe_apply_the_content_filter',	function( $apply ) {
			return false;
		}
		,999
	);
	//  condition when  `the_content` filter is not used by the theme
	add_filter(
		'ez_toc_modify_process_page_content',	function( $apply ) {
			return '';
		}
		,999
	);
	return $content;
}