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wp_staticize_emoji › WordPress Function
Seit4.2.0
Veraltetn/v
› wp_staticize_emoji ( $text )
Parameter: |
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Gibt zurück: |
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Definiert in: |
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Codex: |
Converts emoji to a static img element.
Ähnliche Funktionen: wp_staticize_emoji_for_email, wp_encode_emoji, sanitize_email, wp_sanitize_redirect, sanitize_term
Quellcode
function wp_staticize_emoji( $text ) { if ( ! str_contains( $text, '&#x' ) ) { if ( ( function_exists( 'mb_check_encoding' ) && mb_check_encoding( $text, 'ASCII' ) ) || ! preg_match( '/[^\x00-\x7F]/', $text ) ) { // The text doesn't contain anything that might be emoji, so we can return early. return $text; } else { $encoded_text = wp_encode_emoji( $text ); if ( $encoded_text === $text ) { return $encoded_text; } $text = $encoded_text; } } $emoji = _wp_emoji_list( 'entities' ); // Quickly narrow down the list of emoji that might be in the text and need replacing. $possible_emoji = array(); foreach ( $emoji as $emojum ) { if ( str_contains( $text, $emojum ) ) { $possible_emoji[ $emojum ] = html_entity_decode( $emojum ); } } if ( ! $possible_emoji ) { return $text; } /** This filter is documented in wp-includes/formatting.php */ $cdn_url = apply_filters( 'emoji_url', 'https://s.w.org/images/core/emoji/15.0.3/72x72/' ); /** This filter is documented in wp-includes/formatting.php */ $ext = apply_filters( 'emoji_ext', '.png' ); $output = ''; /* * HTML loop taken from smiley function, which was taken from texturize function. * It'll never be consolidated. * * First, capture the tags as well as in between. */ $textarr = preg_split( '/(<.*>)/U', $text, -1, PREG_SPLIT_DELIM_CAPTURE ); $stop = count( $textarr ); // Ignore processing of specific tags. $tags_to_ignore = 'code|pre|style|script|textarea'; $ignore_block_element = ''; for ( $i = 0; $i < $stop; $i++ ) { $content = $textarr[ $i ]; // If we're in an ignore block, wait until we find its closing tag. if ( '' === $ignore_block_element && preg_match( '/^<(' . $tags_to_ignore . ')>/', $content, $matches ) ) { $ignore_block_element = $matches[1]; } // If it's not a tag and not in ignore block. if ( '' === $ignore_block_element && strlen( $content ) > 0 && '<' !== $content[0] && str_contains( $content, '&#x' ) ) { foreach ( $possible_emoji as $emojum => $emoji_char ) { if ( ! str_contains( $content, $emojum ) ) { continue; } $file = str_replace( ';&#x', '-', $emojum ); $file = str_replace( array( '&#x', ';' ), '', $file ); $entity = sprintf( '<img src="%s" alt="%s" class="wp-smiley" style="height: 1em; max-height: 1em;" />', $cdn_url . $file . $ext, $emoji_char ); $content = str_replace( $emojum, $entity, $content ); } } // Did we exit ignore block? if ( '' !== $ignore_block_element && '</' . $ignore_block_element . '>' === $content ) { $ignore_block_element = ''; } $output .= $content; } // Finally, remove any stray U+FE0F characters. $output = str_replace( '️', '', $output ); return $output; }