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Current: /home/ayyokffr/monsterbeatsbydrepaschere.com/wp-content/plugins/advanced-excerpt/class

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Editing: wp-content/plugins/advanced-excerpt/class/advanced-excerpt.php

<?php
class Advanced_Excerpt {
	
	private $plugin_version;
	private $plugin_file_path;
	private $plugin_dir_path;
	private $plugin_folder_name;
	private $plugin_basename;
	private $plugin_base;

public $options;

/*
	 * Some of the following options below are linked to checkboxes on the plugin's option page.
	 * If any checkbox options are added/removed/modified in the future please ensure you also update
	 * the $checkbox_options variable in the update_options() method.
	 */ 
	public $default_options = array(
		'length' => 40,
		'length_type' => 'words',
		'no_custom' => 1,
		'no_custom_from_custom' => 0,
		'link_excerpt' => 0,
		'no_shortcode' => 1,
		'finish' => 'exact',
		'ellipsis' => '&hellip;',
		'read_more' => 'Read the rest',
		'add_link' => 0,
		'link_new_tab' => 0,
		'link_screen_reader' => 0,
		'link_exclude_length' => 0,
		'link_on_custom_excerpt' => 0,
		'allowed_tags' => array(),
		'the_excerpt' => 1,
		'the_content' => 1,
		'the_content_no_break' => 0,
		'exclude_pages' => array(),
		'allowed_tags_option' => 'dont_remove_any',
	);

public $options_basic_tags; // Basic HTML tags (determines which tags are in the checklist by default)
	public $options_all_tags; // Almost all HTML tags (extra options)
	public $filter_type; // Determines wether we're filtering the_content or the_excerpt at any given time

function __construct( $plugin_file_path ) {
		$this->load_options();

$this->plugin_version = $GLOBALS['advanced_excerpt_version'];
		$this->plugin_file_path = $plugin_file_path;
		$this->plugin_dir_path = plugin_dir_path( $plugin_file_path );
		$this->plugin_folder_name = basename( $this->plugin_dir_path );
		$this->plugin_basename = plugin_basename( $plugin_file_path );
		$this->plugin_base ='options-general.php?page=advanced-excerpt';

if ( isset($_SERVER['REQUEST_METHOD']) && 'POST' == $_SERVER['REQUEST_METHOD'] && isset( $_REQUEST['page'] ) && 'advanced-excerpt' === $_REQUEST['page'] ) {
			check_admin_referer( 'advanced_excerpt_update_options' );
			$this->update_options();
		}

$this->options_basic_tags = apply_filters( 'advanced_excerpt_basic_tags', array(
			'a', 'abbr', 'acronym', 'address', 'article', 'aside', 'audio', 'b', 'big',
			'blockquote', 'br', 'canvas', 'center', 'cite', 'code', 'dd', 'del', 'div', 'dl', 'dt',
			'em', 'embed', 'form', 'footer', 'h1', 'h2', 'h3', 'h4', 'h5', 'h6', 'header', 'hr', 'i', 'img', 'ins',
			'li', 'nav', 'ol', 'p', 'pre', 'q', 's', 'section', 'small', 'span', 'strike', 'strong', 'sub',
			'sup', 'svg', 'table', 'td', 'template', 'th', 'time', 'tr', 'u', 'ul', 'video'
		) );

$this->options_all_tags = apply_filters( 'advanced_excerpt_all_tags', array(
			'a', 'abbr', 'acronym', 'address', 'applet', 'area', 'article', 'aside', 'audio', 'b', 'bdi', 'bdo', 'big',
			'blockquote', 'br', 'button', 'canvas', 'caption', 'center', 'cite', 'code', 'col', 'colgroup', 'data',
			'datalist', 'dd', 'del', 'details', 'dfn', 'dialog', 'dir', 'div', 'dl', 'dt', 'em', 'embed', 'fieldset', 'figcaption',
			'figure', 'font', 'footer', 'form', 'frame', 'frameset', 'h1', 'h2', 'h3', 'h4', 'h5', 'h6', 'header', 'hr',
			'i', 'iframe', 'img', 'input', 'ins', 'isindex', 'kbd', 'keygen', 'label', 'legend', 'li', 'main', 'map',
			'mark', 'math', 'menu', 'menuitem', 'meter', 'nav', 'noframes', 'noscript', 'object', 'ol', 'optgroup',
			'option', 'output', 'p', 'param', 'pre', 'progress', 'q', 'rp', 'rt', 'ruby', 's', 'samp', 'script', 'section',
			'select', 'small', 'source', 'span', 'strike', 'strong', 'style', 'sub', 'summary', 'sup', 'svg', 'table',
			'tbody', 'td', 'template', 'textarea', 'tfoot', 'th', 'thead', 'time', 'tr', 'track', 'tt', 'u', 'ul', 'var',
			'video', 'wbr'
		) );

if ( is_admin() ) {
			$this->admin_init();
		}

add_action( 'loop_start', array( $this, 'hook_content_filters' ) );
	}

function hook_content_filters() {
		/*
		 * Allow developers to skip running the advanced excerpt filters on certain page types.
		 * They can do so by using the "Disable On" checkboxes on the options page or 
		 * by passing in an array of page types they'd like to skip
		 * e.g. array( 'search', 'author' );
		 * The filter, when implemented, takes precedence over the options page selection.
		 *
		 * WordPress default themes (and others) do not use the_excerpt() or get_the_excerpt()
		 * and instead use the_content(). As such, we also need to hook into the_content().
		 * To ensure we're not changing the content of single posts / pages we automatically exclude 'singular' page types.
		 */

add_filter( 'wppsac_excerpt', array( $this, 'filter_content' ) );

$page_types = $this->get_current_page_types();
		$skip_page_types = array_unique( array_merge( array( 'singular' ), $this->options['exclude_pages'] ) );
		$skip_page_types = apply_filters( 'advanced_excerpt_skip_page_types', $skip_page_types ); 
		$page_type_matches = array_intersect( $page_types, $skip_page_types );
		if ( !empty( $page_types ) && !empty( $page_type_matches ) ) return;

// skip woocommerce products
		if ( in_array( 'woocommerce', $skip_page_types ) && get_post_type( get_the_ID() ) == 'product' ) {
			return;
		}

// conflict with WPTouch
        if ( function_exists( 'wptouch_is_mobile_theme_showing' ) && wptouch_is_mobile_theme_showing() ) {
            return;
        }

// skip bbpress
        if ( function_exists( 'is_bbpress' ) && is_bbpress() ) {
            return;
        }

if ( 1 == $this->options['the_excerpt'] ) {
			remove_all_filters( 'get_the_excerpt' );
			remove_all_filters( 'the_excerpt' );
			add_filter( 'get_the_excerpt', array( $this, 'filter_excerpt' ) );
		}

if ( 1 == $this->options['the_content'] ) {
			add_filter( 'the_content', array( $this, 'filter_content' ) );
		}
	}

function admin_init() {
		add_action( 'admin_menu', array( $this, 'add_pages' ) );
		add_filter( 'plugin_action_links_' . $this->plugin_basename, array( $this, 'plugin_action_links' ) );
	}

function load_options() {
		/* 
		 * An older version of this plugin used to individually store each of it's options as a row in wp_options (1 row per option).
		 * The code below checks if their installations once used an older version of this plugin and attempts to update
		 * the option storage to the new method (all options stored in a single row in the DB as an array)
		*/
		$update_options = false;
		$update_from_legacy = false;
		if ( false !== get_option( 'advancedexcerpt_length' ) ) {
			$legacy_options = array( 'length', 'use_words', 'no_custom', 'no_shortcode', 'finish_word', 'finish_sentence', 'ellipsis', 'read_more', 'add_link', 'allowed_tags' );

foreach ( $legacy_options as $legacy_option ) {
				$option_name = 'advancedexcerpt_' . $legacy_option;
				$this->options[$legacy_option] = get_option( $option_name );
				delete_option( $option_name );
			}

// filtering the_content() is disabled by default when migrating from version 4.1.1 of the plugin
			$this->options['the_excerpt'] = 1;
			$this->options['the_content'] = 0;

$update_options = true;
			$update_from_legacy = true;
		} else {
			$this->options = get_option( 'advanced_excerpt' );
		}

// convert legacy option use_words to it's udpated equivalent
		if ( isset( $this->options['use_words'] ) ) {
			$this->options['length_type'] = ( 1 == $this->options['use_words'] ) ? 'words' : 'characters';
			unset( $this->options['use_words'] );
			$update_options = true;
		}

// convert legacy options finish_word & finish_sentence to their udpated equivalents
		if ( isset( $this->options['finish_sentence'] ) ) {
			if ( 0 == $this->options['finish_word'] && 0 == $this->options['finish_sentence'] ) {
				$this->options['finish'] = 'exact';
			} else if ( 1 == $this->options['finish_word'] && 1 == $this->options['finish_sentence'] ) {
				$this->options['finish'] = 'sentence';
			} else if ( 0 == $this->options['finish_word'] && 1 == $this->options['finish_sentence'] ) {
				$this->options['finish'] = 'sentence';
			} else {
				$this->options['finish'] = 'word';
			}
			unset( $this->options['finish_word'] );
			unset( $this->options['finish_sentence'] );
			$update_options = true;
		}

// convert legacy option '_all' in the allowed_tags option to it's updated equivalent
		if ( isset( $this->options['allowed_tags'] ) ) {
			if ( false !== ( $all_key = array_search( '_all', $this->options['allowed_tags'] ) ) ) {
				unset( $this->options['allowed_tags'][$all_key] );
				$this->options['allowed_tags_option'] = 'dont_remove_any';
			} elseif( $update_from_legacy ) {
				$this->options['allowed_tags_option'] = 'remove_all_tags_except';
			}
		}

// if no options exist then this is a fresh install, set up some default options
		if ( empty( $this->options ) ) {
			$this->options = $this->default_options;
			$update_options = true;
		}

$this->options = wp_parse_args( $this->options, $this->default_options );

if ( $update_options ) {
			update_option( 'advanced_excerpt', $this->options );
		}
	}

function add_pages() {
		$options_page = add_options_page( __( "Advanced Excerpt Options", 'advanced-excerpt' ), __( "Excerpt", 'advanced-excerpt' ), 'manage_options', 'advanced-excerpt', array( $this, 'page_options' ) );
		// Scripts
		add_action( 'admin_print_scripts-' . $options_page, array( $this, 'page_assets' ) );
	}

function page_assets() {
		$version = defined('SCRIPT_DEBUG') && SCRIPT_DEBUG ? time() : $this->plugin_version;
		$plugins_url = trailingslashit( plugins_url() ) . trailingslashit( $this->plugin_folder_name );

// css
		$src = $plugins_url . 'asset/css/styles.css';
		wp_enqueue_style( 'advanced-excerpt-styles', $src, array(), $version );

$suffix = ( defined( 'SCRIPT_DEBUG' ) && SCRIPT_DEBUG ) ? '' : '.min';

// js
		$src = $plugins_url . 'asset/js/advanced-excerpt' . $suffix . '.js';
		wp_enqueue_script( 'advanced-excerpt-script', $src, array( 'jquery' ), $version, true );
	}

function plugin_action_links( $links ) {
		$link = sprintf( '<a href="%s">%s</a>', admin_url( $this->plugin_base ), __( 'Settings', 'advanced-excerpt' ) );
		array_unshift( $links, $link );
		return $links;
	}

function filter_content( $content ) {
		$this->filter_type = 'content';
		return $this->filter( $content );
	}

function filter_excerpt( $content ) {
		$this->filter_type = 'excerpt';
		return $this->filter( $content );
	}

function filter( $content ) {

extract( wp_parse_args( $this->options, $this->default_options ), EXTR_SKIP );
		
		if ( true === apply_filters( 'advanced_excerpt_skip_excerpt_filtering', false ) ) {
			return $content;
        }
        
        if ( is_post_type_archive( 'tribe_events' ) ) {
            return $content;
        }

global $post;
		if ( $the_content_no_break && false !== strpos( $post->post_content, '' ) && 'content' == $this->filter_type ) {
			return $content;
		}

// Avoid custom excerpts
		if ( !empty( $content ) && !$no_custom ) {
			if ( ! $no_custom_from_custom ) {
				if ( $link_on_custom_excerpt ) {
					return $this->text_add_more( $content, '', ( $add_link ) ? $read_more : false, ( $link_new_tab ) ? true : false, ( $link_screen_reader ) ? true : false );
				}	
				return $content; 
			}
		}

// prevent recursion on 'the_content' hook
		$content_has_filter = false;
		if ( has_filter( 'the_content', array( $this, 'filter_content' ) ) ) { 
			remove_filter( 'the_content', array( $this, 'filter_content' ) ); 
			$content_has_filter = true;
		}

$text = get_the_content( '' );

// generate excerpt from the "custom excerpt" (only if there is a "custom excerpt" )
		if ( $no_custom && $no_custom_from_custom && ! empty( trim( $post->post_excerpt ) ) ) {
			$text = $post->post_excerpt;
		}

// remove shortcodes
		if ( $no_shortcode ) {
			$text = strip_shortcodes( $text );
		}

$text = apply_filters( 'the_content', $text );

// add our filter back in
		if ( $content_has_filter ) { 
            add_filter( 'the_content', array( $this, 'filter_content' ) );
		}

// From the default wp_trim_excerpt():
		// Some kind of precaution against malformed CDATA in RSS feeds I suppose
		$text = str_replace( ']]>', ']]&gt;', $text );

if ( empty( $allowed_tags ) ) {
			$allowed_tags = array();
		}

// the $exclude_tags args takes precedence over the $allowed_tags args (only if they're both defined)
		if ( ! empty( $exclude_tags ) ) {
			$allowed_tags = array_diff( $this->options_all_tags, $exclude_tags );
		}

// Strip HTML if $allowed_tags_option is set to 'remove_all_tags_except'
		if ( 'remove_all_tags_except' === $allowed_tags_option ) {
			if ( count( $allowed_tags ) > 0 ) {
				$tag_string = '<' . implode( '><', $allowed_tags ) . '>';
			} else {
				$tag_string = '';
			}

$text = strip_tags( $text, $tag_string );
		}

$text_before_trimming = $text;

// Create the excerpt
		$text = $this->text_excerpt( $text, $length, $length_type, $finish );

// lengths
		$text_length_before = strlen( trim( $text_before_trimming ) );
		$text_length_after = strlen( trim( $text ) );

// Add the ellipsis or link
		if ( ! apply_filters( 'advanced_excerpt_disable_add_more', false, $text_before_trimming, $this->options ) ) {
			if ( ! $link_exclude_length || $text_length_after < $text_length_before ) {
				$text = $this->text_add_more( $text, $ellipsis, ( $add_link ) ? $read_more : false, ( $link_new_tab ) ? true : false, ( $link_screen_reader ) ? true : false );
			}
		}

if ( $link_excerpt ) {
			$text = '<a href="' . get_permalink( $post ) . '">' . $text . '</a>';
		}

return apply_filters( 'advanced_excerpt_content', $text );

}

function text_excerpt( $text, $length, $length_type, $finish ) {
		$tokens = array();
		$out = '';
		$w = 0;

// Divide the string into tokens; HTML tags, or words, followed by any whitespace
		// (<[^>]+>|[^<>\s]+\s*)
		preg_match_all( '/(<[^>]+>|[^<>\s]+)\s*/u', $text, $tokens );
		foreach ( $tokens[0] as $t ) { // Parse each token
			if ( $w >= $length && 'sentence' != $finish ) { // Limit reached
				break;
            }
			if ( $t[0] != '<' ) { // Token is not a tag
				$t_trimmed = trim( $t );
				if ( $w >= $length && 'sentence' == $finish && preg_match( '/[\?\.\!](?!\d).*$/uS', $t_trimmed ) == 1 ) { // Limit reached, continue until ? . or ! occur at the end
					$out .= trim( $t );
					break;
				}
				if ( 'words' == $length_type ) { // Count words
					$w++;
				} else { // Count/trim characters
					if ( $finish == 'exact_w_spaces' ) {
						$chars = $t;
					} else {
						$chars = trim( $t );
					}
					$c = mb_strlen( $chars );
					if ( $c + $w > $length && 'sentence' != $finish ) { // Token is too long
						$c = ( 'word' == $finish ) ? $c : $length - $w; // Keep token to finish word
						$t = mb_substr( $t, 0, $c );
					}
					$w += $c;
				}
			}
			// Append what's left of the token
			$out .= $t;
		}

return trim( force_balance_tags( $out ) );
	}

public function text_add_more( $text, $ellipsis, $read_more, $link_new_tab, $link_screen_reader ) {

if ( $read_more ) {

$screen_reader_html = '';
			if ( $link_screen_reader ) {
				$screen_reader_html = '<span class="screen-reader-text"> &#8220;' . get_the_title() . '&#8221;</span>';
			}

if ( $link_new_tab ) {
				$link_template = apply_filters( 'advanced_excerpt_read_more_link_template', ' <a href="%1$s" class="read-more" target="_blank">%2$s %3$s</a>', get_permalink(), $read_more );
			} else {
				$link_template = apply_filters( 'advanced_excerpt_read_more_link_template', ' <a href="%1$s" class="read-more">%2$s %3$s</a>', get_permalink(), $read_more );
			}
			
			$read_more = str_replace( '{title}', get_the_title(), $read_more );
			$read_more = do_shortcode( $read_more );
			$read_more = apply_filters( 'advanced_excerpt_read_more_text', $read_more );

$ellipsis .= sprintf( $link_template, get_permalink(), $read_more, $screen_reader_html );

}

$pos = strrpos( $text, '</' );

if ( $pos !== false ) {
			// get the "clean" name of the last closing tag in the text, e.g. p, a, strong, div
			$last_tag = strtolower( trim( str_replace( array( '<', '/', '>' ), '', substr( $text, $pos ) ) ) );

/*
			 * There was previously a problem where our 'read-more' links were being appending incorrectly into unsuitable HTML tags.
			 * As such we're now maintaining a whitelist of HTML tags that are suitable for being appended into.
			 */
			$allow_tags_to_append_into = apply_filters( 'advanced_excerpt_allow_tags_to_append_into', array( 'p', 'article', 'section' ) );

if( !in_array( $last_tag, $allow_tags_to_append_into ) ) {
				// After the content
				$text .= $ellipsis;
				return $text;
			}
			// Inside last HTML tag
			$text = substr_replace( $text, $ellipsis, $pos, 0 );
			return $text;
		}

// After the content
		$text .= $ellipsis;
		return $text;
	}

function update_options() {
		$_POST = stripslashes_deep( $_POST );
		$this->options['length'] = (int) $_POST['length'];

$checkbox_options = array( 'no_custom', 'no_custom_from_custom', 'no_shortcode', 'add_link', 'link_new_tab', 'link_screen_reader', 'link_exclude_length', 'link_on_custom_excerpt', 'the_excerpt', 'the_content', 'the_content_no_break', 'link_excerpt' );

foreach ( $checkbox_options as $checkbox_option ) {
			$this->options[$checkbox_option] = ( isset( $_POST[$checkbox_option] ) ) ? 1 : 0;
		}

$this->options['length_type'] = $_POST['length_type'];
		$this->options['finish'] = $_POST['finish'];
		$this->options['ellipsis'] = $_POST['ellipsis'];
		$this->options['read_more'] = isset( $_POST['read_more'] ) ? $_POST['read_more'] : $this->options['read_more'];
		$this->options['allowed_tags'] = ( isset( $_POST['allowed_tags'] ) ) ? array_unique( (array) $_POST['allowed_tags'] ) : array();
		$this->options['exclude_pages'] = ( isset( $_POST['exclude_pages'] ) ) ? array_unique( (array) $_POST['exclude_pages'] ) : array();
		$this->options['allowed_tags_option'] = $_POST['allowed_tags_option'];

update_option( 'advanced_excerpt', $this->options );

wp_redirect( admin_url( $this->plugin_base ) . '&settings-updated=1' );
		exit;		
	}

function page_options() {
		extract( $this->options, EXTR_SKIP );

$ellipsis	= htmlentities( $ellipsis );
		$read_more	= htmlentities( $read_more );

$tag_list = array_unique( array_merge( $this->options_basic_tags, $allowed_tags ) );
		sort( $tag_list );
		$tag_cols = 5;

// provides a set of checkboxes allowing the user to exclude the excerpt filter on certain page types
		$exclude_pages_list = array(
			'home'			=> __( 'Home Page', 'advanced-excerpt' ),
			'feed'			=> __( 'Posts RSS Feed', 'advanced-excerpt' ),
			'search'		=> __( 'Search Archive', 'advanced-excerpt' ),
			'author'		=> __( 'Author Archive', 'advanced-excerpt' ),
			'category'		=> __( 'Category Archive', 'advanced-excerpt' ),
			'tag'			=> __( 'Tag Archive', 'advanced-excerpt' ),
			'woocommerce'   => __( 'WooCommerce Products', 'advanced-excerpt' ),
		);
		$exclude_pages_list = apply_filters( 'advanced_excerpt_exclude_pages_list', $exclude_pages_list );

require_once $this->plugin_dir_path . 'template/options.php';
	}

function get_current_page_types() {
		global $wp_query;
		if ( ! isset( $wp_query ) ) return false;
		$wp_query_object_vars = get_object_vars( $wp_query );

$page_types = array();
		foreach( $wp_query_object_vars as $key => $value ) {
			if ( false === strpos( $key, 'is_' ) ) continue;
			if ( true === $value ) {
				$page_types[] = str_replace( 'is_', '', $key );
			}
		}

return $page_types;
	}

}