関数 wpautop()
2014/12/11
関数 wpautop()
定義ファイル :/blog/wp-includes/formatting.php
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 | function wpautop($pee, $br = true) { $pre_tags = array(); if ( trim($pee) === '' ) return ''; $pee = $pee . "\n"; // just to make things a little easier, pad the end if ( strpos($pee, '<p re') !== false ) { $pee_parts = explode( '</p re>', $pee ); $last_pee = array_pop($pee_parts); $pee = ''; $i = 0; foreach ( $pee_parts as $pee_part ) { $start = strpos($pee_part, '<p re'); // Malformed html? if ( $start === false ) { $pee .= $pee_part; continue; } $name = "<p re wp-pre-tag-$i></p re>"; $pre_tags[$name] = substr( $pee_part, $start ) . '</p re>'; $pee .= substr( $pee_part, 0, $start ) . $name; $i++; } $pee .= $last_pee; } $pee = preg_replace('|<br />\s*<br />|', "\n\n", $pee); // Space things out a little $allblocks = '(?:table|thead|tfoot|caption|col|colgroup|tbody|tr|td|th|div|dl|dd|dt|ul|ol|li|pre|form|map|area|blockquote|address|math|style|p|h[1-6]|hr|fieldset|legend|section|article|aside|hgroup|header|footer|nav|figure|details|menu|summary)'; $pee = preg_replace('!(<' . $allblocks . '[^>]*>)!', "\n$1", $pee); $pee = preg_replace('!(</' . $allblocks . '>)!', "$1\n\n", $pee); $pee = str_replace(array("\r\n", "\r"), "\n", $pee); // cross-platform newlines if ( strpos( $pee, '<option' ) !== false ) { // no P/BR around option $pee = preg_replace( '|\s*<option|', '<option', $pee ); $pee = preg_replace( '|</option>\s*|', '</option>', $pee ); } if ( strpos( $pee, '</object>' ) !== false ) { // no P/BR around param and embed $pee = preg_replace( '|(<object[^>]*>)\s*|', '$1', $pee ); $pee = preg_replace( '|\s*</object>|', '</object>', $pee ); $pee = preg_replace( '%\s*(</?(?:param|embed)[^>]*>)\s*%', '$1', $pee ); } if ( strpos( $pee, '<source' ) !== false || strpos( $pee, '<track' ) !== false ) { // no P/BR around source and track $pee = preg_replace( '%([<\[](?:audio|video)[^>\]]*[>\]])\s*%', '$1', $pee ); $pee = preg_replace( '%\s*([<\[]/(?:audio|video)[>\]])%', '$1', $pee ); $pee = preg_replace( '%\s*(<(?:source|track)[^>]*>)\s*%', '$1', $pee ); } $pee = preg_replace("/\n\n+/", "\n\n", $pee); // take care of duplicates // make paragraphs, including one at the end $pees = preg_split('/\n\s*\n/', $pee, -1, PREG_SPLIT_NO_EMPTY); $pee = ''; foreach ( $pees as $tinkle ) { $pee .= '<p>' . trim($tinkle, "\n") . "</p>\n"; } $pee = preg_replace('|<p>\s*</p>|', '', $pee); // under certain strange conditions it could create a P of entirely whitespace $pee = preg_replace('!<p>([^<]+)</(div|address|form)>!', "<p>$1</p></$2>", $pee); $pee = preg_replace('!<p>\s*(</?' . $allblocks . '[^>]*>)\s*</p>!', "$1", $pee); // don't pee all over a tag $pee = preg_replace("|<p>(<li.+?)</p>|", "$1", $pee); // problem with nested lists $pee = preg_replace('|<p><blockquote([^>]*)>|i', "<blockquote$1><p>", $pee); $pee = str_replace('</blockquote></p>', '</p></blockquote>', $pee); $pee = preg_replace('!<p>\s*(</?' . $allblocks . '[^>]*>)!', "$1", $pee); $pee = preg_replace('!(</?' . $allblocks . '[^>]*>)\s*</p>!', "$1", $pee); if ( $br ) { $pee = preg_replace_callback('/<(script|style).*?<\/\\1>/s', '_autop_newline_preservation_helper', $pee); $pee = preg_replace('|(?<!<br />)\s*\n|', "<br />\n", $pee); // optionally make line breaks $pee = str_replace('<WPPreserveNewline />', "\n", $pee); } $pee = preg_replace('!(</?' . $allblocks . '[^>]*>)\s*<br />!', "$1", $pee); $pee = preg_replace('!<br />(\s*</?(?:p|li|div|dl|dd|dt|th|pre|td|ul|ol)[^>]*>)!', '$1', $pee); $pee = preg_replace( "|\n</p>$|", '</p>', $pee ); if ( !empty($pre_tags) ) $pee = str_replace(array_keys($pre_tags), array_values($pre_tags), $pee); return $pee; } |