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optinmonster
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OMAPI
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Inserter.php
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<?php /** * Content Inserter class. * * @since 2.0.0 * * @package OMAPI * @author Justin Sternberg */ // Exit if accessed directly. if ( ! defined( 'ABSPATH' ) ) { exit; } /** * Content Inserter class. * * @since 2.0.0 */ class OMAPI_Inserter { /** * Content to insert. * * @since 2.0.0 * * @var string */ protected $to_insert = ''; /** * Original content. * * @since 2.0.0 * * @var string */ protected $content = ''; /** * Any tags which we should not insert content in. * The order is important ("a" tag should be after any other tags starting with "a") in order * to avoid false positives (where "a" tag is "found", but it's really an "abbr" tag). * * @since 2.0.0 * * @var string */ const INSERT_AFTER_TAGS = 'address,abbr,acronym,area,audio,a,bdo,big,blockquote,button,b,caption,cite,code,col,colgroup,del,dfn,dl,dt,em,figure,figcaption,font,h1,h2,h3,h4,h5,h6,hgroup,ins,i,kbd,label,legend,map,mark,menu,pre,samp,small,strike,strong,sub,sup,s,table,tbody,textarea,tfoot,thead,title,track,tt,tr,ul,u,ol,var,video'; /** * Constructor. * * @since 2.0.0 * * @param string $content The original content. * @param string $to_insert The content to insert into the original content. */ public function __construct( $content, $to_insert ) { $this->content = $content; $this->to_insert = $to_insert; } /** * Prepend the original content with the content to insert. * * @since 2.0.0 * * @return string The combined content. */ public function prepend() { return $this->to_insert . $this->content; } /** * Append the original content with the content to insert. * * @since 2.0.0 * * @return string The combined content. */ public function append() { return $this->content . $this->to_insert; } /** * Inserts the insert-content after X paragraphs in the original content. * * @since 2.0.0 * * @param int $paragraph_number The paragraph number to insert after. * * @return string The combined content. */ public function after_paragraph( $paragraph_number ) { // If "0", then prepend. if ( empty( $paragraph_number ) ) { return $this->prepend(); } $closing_p = '</p>'; $paragraphs = explode( $closing_p, $this->content ); $count = count( $paragraphs ); // If the number of paragraphs in the content is less than // the number we asked for, just append it to the end. if ( $count < $paragraph_number ) { return $this->append(); } $valid_paragraphs = 0; $invalid_tag = ''; $appended = false; foreach ( $paragraphs as $index => $paragraph ) { // Only add closing tag to non-empty paragraphs. if ( trim( $paragraph ) ) { // Adding closing markup now, rather than at implode, means insertion // is outside of the paragraph markup, and not just inside of it. $paragraphs[ $index ] .= $closing_p; } // If it has already appended, it doesn't need to keep checking. // It needs to keep the loop to close the paragraph tag. if ( $appended ) { continue; } // If it has an invalid tag from the last index, // search if this index has the closing tag. // If it doesn't have, it need to continue to the next index. if ( ! empty( $invalid_tag ) && self::find_tag( $invalid_tag, $paragraphs[ $index ] ) ) { // Found it, let's clean it. $invalid_tag = ''; } // Check if it has any after_tags inside this block. $invalid_tag = self::find_invalid_word_tag( $paragraphs[ $index ] ); if ( ! empty( $invalid_tag ) ) { // If so, then it must continue counting to the next paragraph. continue; } // This is a valid paragraph. $valid_paragraphs++; // If it has enough valid paragraphs, it can continue if ( $valid_paragraphs === $paragraph_number ) { // If it doesn't have an invalid tag inside this paragraph, // it can append after this paragraph. $paragraphs[ $index ] .= $this->to_insert; $appended = true; } } // If it appended, it can output all paragraphs. if ( $appended ) { return implode( '', $paragraphs ); } // If it didn't append, then it didn't have enough valid paragraphs, // so we'll append it to the end. return $this->append(); } /** * Inserts the insert-content after X words in the original content. * * @since 2.0.0 * * @param int $word_number The word number to insert after. * * @return string The combined content. */ public function after_words( $word_number ) { // If "0", then prepend. if ( empty( $word_number ) ) { return $this->prepend(); } // The following splitting into words code is copied from the wp_trim_words function. $rawtext = wp_strip_all_tags( $this->content ); /* * translators: If your word count is based on single characters (e.g. East Asian characters), * enter 'characters_excluding_spaces' or 'characters_including_spaces'. Otherwise, enter 'words'. * Do not translate into your own language. */ if ( strpos( _x( 'words', 'Word count type. Do not translate!', 'optin-monster-api' ), 'characters' ) === 0 && preg_match( '/^utf\-?8$/i', get_option( 'blog_charset' ) ) ) { $rawtext = trim( preg_replace( "/[\n\r\t ]+/", ' ', $rawtext ), ' ' ); preg_match_all( '/./u', $rawtext, $words_array ); $words_array = array_slice( $words_array[0], 0, $word_number + 1 ); } else { $words_array = preg_split( "/[\n\r\t ]+/", $rawtext, $word_number + 1, PREG_SPLIT_NO_EMPTY ); } // If the number of words in the content is less than // the number we asked for, just append it to the end. if ( count( $words_array ) <= $word_number ) { return $this->append(); } // Now we need to clean up the words, removing punctuation, // so our chances of matching are greater. foreach ( $words_array as $index => $word ) { $words_array[ $index ] = preg_replace( '~[^\w\s]~', '', $word ); } $after_word = $words_array[ $word_number - 1 ]; $number_occurrences = 0; $rest = array_pop( $words_array ); foreach ( $words_array as $word ) { if ( ! empty( $after_word ) && false !== strpos( $word, $after_word ) ) { $number_occurrences++; } } $to_replace = $this->content; // We need to loop through the number of occurrences... while ( $number_occurrences-- ) { // Then find the word in the content to replace... $pos = strpos( $to_replace, $after_word ) + strlen( $after_word ); // And split that content where the word was found... $to_replace = substr( $to_replace, $pos ); // And keep doing that until we've reached our final occurrence. } // Ok, no we know where we want to insert, but we can't insert inside any // of our self::INSERT_AFTER_TAGS tags, so we need to insert _after_ them. $to_replace = self::after_tags( $to_replace ); // Now insert into the content. $updated_content = str_replace( $to_replace, $this->to_insert . $to_replace, $this->content ); return $updated_content; } /** * Takes given content and returns first acceptable content outside of any * self::INSERT_AFTER_TAGS tags. * * @since 2.0.0 * * @param string $content Content to replace/find. * * @return string Updated content. */ protected static function after_tags( $content ) { foreach ( explode( ',', self::INSERT_AFTER_TAGS ) as $tag ) { $positions = self::find_tag( $tag, $content ); if ( ! $positions ) { continue; } // Ok... we found a tag that we should scoot behind. return substr( $content, $positions['closing'] + strlen( $positions['closing_tag'] ) ); } return $content; } /** * Get the opening/closing positions of given tag. * * @since 2.10.0 * * @param string $tag The html tag. * @param string $content The html content to search. * * @return array Array of tag position data. */ public static function get_tag_positions( $tag, $content ) { if ( self::is_void_element_tag( $tag ) ) { $result = self::find_void_element_tag( $tag, $content ); return array( 'opening' => $result['position'], 'closing' => $result['position'], 'opening_tag' => $result['tag'], 'closing_tag' => $result['tag'], ); } $opening_tag = '<' . $tag . '>'; $opening_pos = stripos( $content, $opening_tag ); if ( false === $opening_pos ) { $opening_tag = '<' . $tag . ' '; $opening_pos = stripos( $content, $opening_tag ); } $closing_tag = '</' . $tag . '>'; $closing_pos = stripos( $content, $closing_tag ); return array( 'opening' => $opening_pos, 'closing' => $closing_pos, 'opening_tag' => $opening_tag, 'closing_tag' => $closing_tag, ); } /** * Find the opening/closing positions of given tag, if found. * * @since 2.10.0 * * @param string $tag The html tag. * @param string $content The html content to search. * * @return array|bool Array of tag position data, if found. */ public static function find_tag( $tag, $content ) { $positions = self::get_tag_positions( $tag, $content ); // Not found, move along. if ( false === $positions['closing'] ) { return false; } // If we found an opening tag but it comes before the closing, // then this is not the one we were looking at. if ( false !== $positions['opening'] && $positions['opening'] < $positions['closing'] ) { return false; } return $positions; } /** * Search for invalid tags within given content. * * @since 2.10.0 * * @param string $content html content to search. * * @return string Invalid tag, if found. */ public static function find_invalid_word_tag( $content ) { // Check if it has any after_tags inside this block. // If so, then it must continue counting to the next paragraph. foreach ( explode( ',', self::INSERT_AFTER_TAGS ) as $tag ) { $positions = self::get_tag_positions( $tag, $content ); // Not found, continue to the next if ( false === $positions['opening'] ) { continue; } // It has it, so it can ignore since it opens and closes inside the paragraph. // It also needs to check if the closing comes after the opening. if ( false !== $positions['closing'] && $positions['opening'] < $positions['closing'] ) { continue; } // It doesn't have a closing tag, so this paragraph lives inside an invalid tag. return $tag; } return ''; } /** * Find the given void element tag position/occurrence. * * @since 2.10.0 * * @param string $tag The void element tag name. * @param string $content html content to search. * * @return array Array of found element occurrence and string position. */ public static function find_void_element_tag( $tag, $content ) { preg_match_all( '~<' . $tag . '.*?\/?>~i', $content, $matches ); if ( ! empty( $matches[0][0] ) ) { return array( 'tag' => $matches[0][0], 'position' => strpos( $content, $matches[0][0] ), ); } return array( 'tag' => '<' . $tag . '/>', 'position' => false, ); } /** * Check if given tag is a void element tag. * * @since 2.10.0 * * @param string $tag HTML tag name. * * @return boolean */ public static function is_void_element_tag( $tag ) { return in_array( strtolower( $tag ), array( 'area', 'base', 'br', 'col', 'embed', 'hr', 'img', 'input', 'link', 'meta', 'param', 'source', 'track', 'wbr', 'command', 'keygen', 'menuitem', ), true ); } }
/home/sudancam/public_html/0d544/../shop/../wp-content/plugins/./optinmonster/OMAPI/Inserter.php