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//homepage/wordpress/wp-includes/formatting.php
<?php function wptexturize($text) { global $wp_cockneyreplace; $next = true; $output = ''; $curl = ''; $textarr = preg_split('/(<.*>)/Us', $text, -1, PREG_SPLIT_DELIM_CAPTURE); $stop = count($textarr); // if a plugin has provided an autocorrect array, use it if ( isset($wp_cockneyreplace) ) { $cockney = array_keys($wp_cockneyreplace); $cockneyreplace = array_values($wp_cockneyreplace); } else { $cockney = array("'tain't","'twere","'twas","'tis","'twill","'til","'bout","'nuff","'round","'cause"); $cockneyreplace = array("’tain’t","’twere","’twas","’tis","’twill","’til","’bout","’nuff","’round","’cause"); } $static_characters = array_merge(array('---', ' -- ', '--', 'xn–', '...', '``', '\'s', '\'\'', ' (tm)'), $cockney); $static_replacements = array_merge(array('—', ' — ', '–', 'xn--', '…', '“', '’s', '”', ' ™'), $cockneyreplace); $dynamic_characters = array('/\'(\d\d(?:’|\')?s)/', '/(\s|\A|")\'/', '/(\d+)"/', '/(\d+)\'/', '/(\S)\'([^\'\s])/', '/(\s|\A)"(?!\s)/', '/"(\s|\S|\Z)/', '/\'([\s.]|\Z)/', '/(\d+)x(\d+)/'); $dynamic_replacements = array('’$1','$1‘', '$1″', '$1′', '$1’$2', '$1“$2', '”$1', '’$1', '$1×$2'); for ( $i = 0; $i < $stop; $i++ ) { $curl = $textarr[$i]; if (isset($curl{0}) && '<' != $curl{0} && $next) { // If it's not a tag // static strings $curl = str_replace($static_characters, $static_replacements, $curl); // regular expressions $curl = preg_replace($dynamic_characters, $dynamic_replacements, $curl); } elseif (strpos($curl, '<code') !== false || strpos($curl, '<pre') !== false || strpos($curl, '<kbd') !== false || strpos($curl, '<style') !== false || strpos($curl, '<script') !== false) { $next = false; } else { $next = true; } $curl = preg_replace('/&([^#])(?![a-zA-Z1-4]{1,8};)/', '&$1', $curl); $output .= $curl; } return $output; } // Accepts matches array from preg_replace_callback in wpautop() // or a string function clean_pre($matches) { if ( is_array($matches) ) $text = $matches[1] . $matches[2] . "</pre>"; else $text = $matches; $text = str_replace('<br />', '', $text); $text = str_replace('<p>', "\n", $text); $text = str_replace('</p>', '', $text); return $text; } function wpautop($pee, $br = 1) { $pee = $pee . "\n"; // just to make things a little easier, pad the end $pee = preg_replace('|<br />\s*<br />|', "\n\n", $pee); // Space things out a little $allblocks = '(?:table|thead|tfoot|caption|colgroup|tbody|tr|td|th|div|dl|dd|dt|ul|ol|li|pre|select|form|map|area|blockquote|address|math|style|input|p|h[1-6]|hr)'; $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, '<object') !== false ) { $pee = preg_replace('|\s*<param([^>]*)>\s*|', "<param$1>", $pee); // no pee inside object/embed $pee = preg_replace('|\s*</embed>\s*|', '</embed>', $pee); } $pee = preg_replace("/\n\n+/", "\n\n", $pee); // take care of duplicates $pee = preg_replace('/\n?(.+?)(?:\n\s*\n|\z)/s', "<p>$1</p>\n", $pee); // make paragraphs, including one at the end $pee = preg_replace('|<p>\s*?</p>|', '', $pee); // under certain strange conditions it could create a P of entirely whitespace $pee = preg_replace('!<p>([^<]+)\s*?(</(?:div|address|form)[^>]*>)!', "<p>$1</p>$2", $pee); $pee = preg_replace( '|<p>|', "$1<p>", $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) { $pee = preg_replace_callback('/<(script|style).*?<\/\\1>/s', create_function('$matches', 'return str_replace("\n", "<WPPreserveNewline />", $matches[0]);'), $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', $pee); if (strpos($pee, '<pre') !== false) $pee = preg_replace_callback('!(<pre.*?>)(.*?)</pre>!is', 'clean_pre', $pee ); $pee = preg_replace( "|\n</p>$|", '</p>', $pee ); return $pee; } function seems_utf8($Str) { # by bmorel at ssi dot fr $length = strlen($Str); for ($i=0; $i < $length; $i++) { if (ord($Str[$i]) < 0x80) continue; # 0bbbbbbb elseif ((ord($Str[$i]) & 0xE0) == 0xC0) $n=1; # 110bbbbb elseif ((ord($Str[$i]) & 0xF0) == 0xE0) $n=2; # 1110bbbb elseif ((ord($Str[$i]) & 0xF8) == 0xF0) $n=3; # 11110bbb elseif ((ord($Str[$i]) & 0xFC) == 0xF8) $n=4; # 111110bb elseif ((ord($Str[$i]) & 0xFE) == 0xFC) $n=5; # 1111110b else return false; # Does not match any model for ($j=0; $j<$n; $j++) { # n bytes matching 10bbbbbb follow ? if ((++$i == $length) || ((ord($Str[$i]) & 0xC0) != 0x80)) return false; } } return true; } function wp_specialchars( $text, $quotes = 0 ) { // Like htmlspecialchars except don't double-encode HTML entities $text = str_replace('&&', '&&', $text); $text = str_replace('&&', '&&', $text); $text = preg_replace('/&(?:$|([^#])(?![a-z1-4]{1,8};))/', '&$1', $text); $text = str_replace('<', '<', $text); $text = str_replace('>', '>', $text); if ( 'double' === $quotes ) { $text = str_replace('"', '"', $text); } elseif ( 'single' === $quotes ) { $text = str_replace("'", ''', $text); } elseif ( $quotes ) { $text = str_replace('"', '"', $text); $text = str_replace("'", ''', $text); } return $text; } function utf8_uri_encode( $utf8_string, $length = 0 ) { $unicode = ''; $values = array(); $num_octets = 1; $unicode_length = 0; $string_length = strlen( $utf8_string ); for ($i = 0; $i < $string_length; $i++ ) { $value = ord( $utf8_string[ $i ] ); if ( $value < 128 ) { if ( $length && ( $unicode_length >= $length ) ) break; $unicode .= chr($value); $unicode_length++; } else { if ( count( $values ) == 0 ) $num_octets = ( $value < 224 ) ? 2 : 3; $values[] = $value; if ( $length && ( $unicode_length + ($num_octets * 3) ) > $length ) break; if ( count( $values ) == $num_octets ) { if ($num_octets == 3) { $unicode .= '%' . dechex($values[0]) . '%' . dechex($values[1]) . '%' . dechex($values[2]); $unicode_length += 9; } else { $unicode .= '%' . dechex($values[0]) . '%' . dechex($values[1]); $unicode_length += 6; } $values = array(); $num_octets = 1; } } } return $unicode; } function remove_accents($string) { if ( !preg_match('/[\x80-\xff]/', $string) ) return $string; if (seems_utf8($string)) { $chars = array( // Decompositions for Latin-1 Supplement chr(195).chr(128) => 'A', chr(195).chr(129) => 'A', chr(195).chr(130) => 'A', chr(195).chr(131) => 'A', chr(195).chr(132) => 'A', chr(195).chr(133) => 'A', chr(195).chr(135) => 'C', chr(195).chr(136) => 'E', chr(195).chr(137) => 'E', chr(195).chr(138) => 'E', chr(195).chr(139) => 'E', chr(195).chr(140) => 'I', chr(195).chr(141) => 'I', chr(195).chr(142) => 'I', chr(195).chr(143) => 'I', chr(195).chr(145) => 'N', chr(195).chr(146) => 'O', chr(195).chr(147) => 'O', chr(195).chr(148) => 'O', chr(195).chr(149) => 'O', chr(195).chr(150) => 'O', chr(195).chr(153) => 'U', chr(195).chr(154) => 'U', chr(195).chr(155) => 'U', chr(195).chr(156) => 'U', chr(195).chr(157) => 'Y', chr(195).chr(159) => 's', chr(195).chr(160) => 'a', chr(195).chr(161) => 'a', chr(195).chr(162) => 'a', chr(195).chr(163) => 'a', chr(195).chr(164) => 'a', chr(195).chr(165) => 'a', chr(195).chr(167) => 'c', chr(195).chr(168) => 'e', chr(195).chr(169) => 'e', chr(195).chr(170) => 'e', chr(195).chr(171) => 'e', chr(195).chr(172) => 'i', chr(195).chr(173) => 'i', chr(195).chr(174) => 'i', chr(195).chr(175) => 'i', chr(195).chr(177) => 'n', chr(195).chr(178) => 'o', chr(195).chr(179) => 'o', chr(195).chr(180) => 'o', chr(195).chr(181) => 'o', chr(195).chr(182) => 'o', chr(195).chr(182) => 'o', chr(195).chr(185) => 'u', chr(195).chr(186) => 'u', chr(195).chr(187) => 'u', chr(195).chr(188) => 'u', chr(195).chr(189) => 'y', chr(195).chr(191) => 'y', // Decompositions for Latin Extended-A chr(196).chr(128) => 'A', chr(196).chr(129) => 'a', chr(196).chr(130) => 'A', chr(196).chr(131) => 'a', chr(196).chr(132) => 'A', chr(196).chr(133) => 'a', chr(196).chr(134) => 'C', chr(196).chr(135) => 'c', chr(196).chr(136) => 'C', chr(196).chr(137) => 'c', chr(196).chr(138) => 'C', chr(196).chr(139) => 'c', chr(196).chr(140) => 'C', chr(196).chr(141) => 'c', chr(196).chr(142) => 'D', chr(196).chr(143) => 'd', chr(196).chr(144) => 'D', chr(196).chr(145) => 'd', chr(196).chr(146) => 'E', chr(196).chr(147) => 'e', chr(196).chr(148) => 'E', chr(196).chr(149) => 'e', chr(196).chr(150) => 'E', chr(196).chr(151) => 'e', chr(196).chr(152) => 'E', chr(196).chr(153) => 'e', chr(196).chr(154) => 'E', chr(196).chr(155) => 'e', chr(196).chr(156) => 'G', chr(196).chr(157) => 'g', chr(196).chr(158) => 'G', chr(196).chr(159) => 'g', chr(196).chr(160) => 'G', chr(196).chr(161) => 'g', chr(196).chr(162) => 'G', chr(196).chr(163) => 'g', chr(196).chr(164) => 'H', chr(196).chr(165) => 'h', chr(196).chr(166) => 'H', chr(196).chr(167) => 'h', chr(196).chr(168) => 'I', chr(196).chr(169) => 'i', chr(196).chr(170) => 'I', chr(196).chr(171) => 'i', chr(196).chr(172) => 'I', chr(196).chr(173) => 'i', chr(196).chr(174) => 'I', chr(196).chr(175) => 'i', chr(196).chr(176) => 'I', chr(196).chr(177) => 'i', chr(196).chr(178) => 'IJ',chr(196).chr(179) => 'ij', chr(196).chr(180) => 'J', chr(196).chr(181) => 'j', chr(196).chr(182) => 'K', chr(196).chr(183) => 'k', chr(196).chr(184) => 'k', chr(196).chr(185) => 'L', chr(196).chr(186) => 'l', chr(196).chr(187) => 'L', chr(196).chr(188) => 'l', chr(196).chr(189) => 'L', chr(196).chr(190) => 'l', chr(196).chr(191) => 'L', chr(197).chr(128) => 'l', chr(197).chr(129) => 'L', chr(197).chr(130) => 'l', chr(197).chr(131) => 'N', chr(197).chr(132) => 'n', chr(197).chr(133) => 'N', chr(197).chr(134) => 'n', chr(197).chr(135) => 'N', chr(197).chr(136) => 'n', chr(197).chr(137) => 'N', chr(197).chr(138) => 'n', chr(197).chr(139) => 'N', chr(197).chr(140) => 'O', chr(197).chr(141) => 'o', chr(197).chr(142) => 'O', chr(197).chr(143) => 'o', chr(197).chr(144) => 'O', chr(197).chr(145) => 'o', chr(197).chr(146) => 'OE',chr(197).chr(147) => 'oe', chr(197).chr(148) => 'R',chr(197).chr(149) => 'r', chr(197).chr(150) => 'R',chr(197).chr(151) => 'r', chr(197).chr(152) => 'R',chr(197).chr(153) => 'r', chr(197).chr(154) => 'S',chr(197).chr(155) => 's', chr(197).chr(156) => 'S',chr(197).chr(157) => 's', chr(197).chr(158) => 'S',chr(197).chr(159) => 's', chr(197).chr(160) => 'S', chr(197).chr(161) => 's', chr(197).chr(162) => 'T', chr(197).chr(163) => 't', chr(197).chr(164) => 'T', chr(197).chr(165) => 't', chr(197).chr(166) => 'T', chr(197).chr(167) => 't', chr(197).chr(168) => 'U', chr(197).chr(169) => 'u', chr(197).chr(170) => 'U', chr(197).chr(171) => 'u', chr(197).chr(172) => 'U', chr(197).chr(173) => 'u', chr(197).chr(174) => 'U', chr(197).chr(175) => 'u', chr(197).chr(176) => 'U', chr(197).chr(177) => 'u', chr(197).chr(178) => 'U', chr(197).chr(179) => 'u', chr(197).chr(180) => 'W', chr(197).chr(181) => 'w', chr(197).chr(182) => 'Y', chr(197).chr(183) => 'y', chr(197).chr(184) => 'Y', chr(197).chr(185) => 'Z', chr(197).chr(186) => 'z', chr(197).chr(187) => 'Z', chr(197).chr(188) => 'z', chr(197).chr(189) => 'Z', chr(197).chr(190) => 'z', chr(197).chr(191) => 's', // Euro Sign chr(226).chr(130).chr(172) => 'E', // GBP (Pound) Sign chr(194).chr(163) => ''); $string = strtr($string, $chars); } else { // Assume ISO-8859-1 if not UTF-8 $chars['in'] = chr(128).chr(131).chr(138).chr(142).chr(154).chr(158) .chr(159).chr(162).chr(165).chr(181).chr(192).chr(193).chr(194) .chr(195).chr(196).chr(197).chr(199).chr(200).chr(201).chr(202) .chr(203).chr(204).chr(205).chr(206).chr(207).chr(209).chr(210) .chr(211).chr(212).chr(213).chr(214).chr(216).chr(217).chr(218) .chr(219).chr(220).chr(221).chr(224).chr(225).chr(226).chr(227) .chr(228).chr(229).chr(231).chr(232).chr(233).chr(234).chr(235) .chr(236).chr(237).chr(238).chr(239).chr(241).chr(242).chr(243) .chr(244).chr(245).chr(246).chr(248).chr(249).chr(250).chr(251) .chr(252).chr(253).chr(255); $chars['out'] = "EfSZszYcYuAAAAAACEEEEIIIINOOOOOOUUUUYaaaaaaceeeeiiiinoooooouuuuyy"; $string = strtr($string, $chars['in'], $chars['out']); $double_chars['in'] = array(chr(140), chr(156), chr(198), chr(208), chr(222), chr(223), chr(230), chr(240), chr(254)); $double_chars['out'] = array('OE', 'oe', 'AE', 'DH', 'TH', 'ss', 'ae', 'dh', 'th'); $string = str_replace($double_chars['in'], $double_chars['out'], $string); } return $string; } function sanitize_file_name( $name ) { // Like sanitize_title, but with periods $name = strtolower( $name ); $name = preg_replace('/&.+?;/', '', $name); // kill entities $name = str_replace( '_', '-', $name ); $name = preg_replace('/[^a-z0-9\s-.]/', '', $name); $name = preg_replace('/\s+/', '-', $name); $name = preg_replace('|-+|', '-', $name); $name = trim($name, '-'); return $name; } function sanitize_user( $username, $strict = false ) { $raw_username = $username; $username = strip_tags($username); // Kill octets $username = preg_replace('|%([a-fA-F0-9][a-fA-F0-9])|', '', $username); $username = preg_replace('/&.+?;/', '', $username); // Kill entities // If strict, reduce to ASCII for max portability. if ( $strict ) $username = preg_replace('|[^a-z0-9 _.\-@]|i', '', $username); return apply_filters('sanitize_user', $username, $raw_username, $strict); } function sanitize_title($title, $fallback_title = '') { $title = strip_tags($title); $title = apply_filters('sanitize_title', $title); if ( '' === $title || false === $title ) $title = $fallback_title; return $title; } function sanitize_title_with_dashes($title) { $title = strip_tags($title); // Preserve escaped octets. $title = preg_replace('|%([a-fA-F0-9][a-fA-F0-9])|', '---$1---', $title); // Remove percent signs that are not part of an octet. $title = str_replace('%', '', $title); // Restore octets. $title = preg_replace('|---([a-fA-F0-9][a-fA-F0-9])---|', '%$1', $title); $title = remove_accents($title); if (seems_utf8($title)) { if (function_exists('mb_strtolower')) { $title = mb_strtolower($title, 'UTF-8'); } $title = utf8_uri_encode($title, 200); } $title = strtolower($title); $title = preg_replace('/&.+?;/', '', $title); // kill entities $title = preg_replace('/[^%a-z0-9 _-]/', '', $title); $title = preg_replace('/\s+/', '-', $title); $title = preg_replace('|-+|', '-', $title); $title = trim($title, '-'); return $title; } function convert_chars($content, $deprecated = '') { // Translation of invalid Unicode references range to valid range $wp_htmltranswinuni = array( '€' => '€', // the Euro sign '' => '', '‚' => '‚', // these are Windows CP1252 specific characters 'ƒ' => 'ƒ', // they would look weird on non-Windows browsers '„' => '„', '…' => '…', '†' => '†', '‡' => '‡', 'ˆ' => 'ˆ', '‰' => '‰', 'Š' => 'Š', '‹' => '‹', 'Œ' => 'Œ', '' => '', 'Ž' => 'ž', '' => '', '' => '', '‘' => '‘', '’' => '’', '“' => '“', '”' => '”', '•' => '•', '–' => '–', '—' => '—', '˜' => '˜', '™' => '™', 'š' => 'š', '›' => '›', 'œ' => 'œ', '' => '', 'ž' => '', 'Ÿ' => 'Ÿ' ); // Remove metadata tags $content = preg_replace('/<title>(.+?)<\/title>/','',$content); $content = preg_replace('/<category>(.+?)<\/category>/','',$content); // Converts lone & characters into & (a.k.a. &) $content = preg_replace('/&([^#])(?![a-z1-4]{1,8};)/i', '&$1', $content); // Fix Word pasting $content = strtr($content, $wp_htmltranswinuni); // Just a little XHTML help $content = str_replace('<br>', '<br />', $content); $content = str_replace('<hr>', '<hr />', $content); return $content; } function funky_javascript_fix($text) { // Fixes for browsers' javascript bugs global $is_macIE, $is_winIE; if ( $is_winIE || $is_macIE ) $text = preg_replace("/\%u([0-9A-F]{4,4})/e", "'&#'.base_convert('\\1',16,10).';'", $text); return $text; } function balanceTags( $text, $force = false ) { if ( !$force && get_option('use_balanceTags') == 0 ) return $text; return force_balance_tags( $text ); } /* force_balance_tags Balances Tags of string using a modified stack. @param text Text to be balanced @param force Forces balancing, ignoring the value of the option @return Returns balanced text @author Leonard Lin (leonard@acm.org) @version v1.1 @date November 4, 2001 @license GPL v2.0 @notes @changelog --- Modified by Scott Reilly (coffee2code) 02 Aug 2004 1.2 ***TODO*** Make better - change loop condition to $text 1.1 Fixed handling of append/stack pop order of end text Added Cleaning Hooks 1.0 First Version */ function force_balance_tags( $text ) { $tagstack = array(); $stacksize = 0; $tagqueue = ''; $newtext = ''; $single_tags = array('br', 'hr', 'img', 'input'); //Known single-entity/self-closing tags $nestable_tags = array('blockquote', 'div', 'span'); //Tags that can be immediately nested within themselves # WP bug fix for comments - in case you REALLY meant to type '< !--' $text = str_replace('< !--', '< !--', $text); # WP bug fix for LOVE <3 (and other situations with '<' before a number) $text = preg_replace('#<([0-9]{1})#', '<$1', $text); while (preg_match("/<(\/?\w*)\s*([^>]*)>/",$text,$regex)) { $newtext .= $tagqueue; $i = strpos($text,$regex[0]); $l = strlen($regex[0]); // clear the shifter $tagqueue = ''; // Pop or Push if ($regex[1][0] == "/") { // End Tag $tag = strtolower(substr($regex[1],1)); // if too many closing tags if($stacksize <= 0) { $tag = ''; //or close to be safe $tag = '/' . $tag; } // if stacktop value = tag close value then pop else if ($tagstack[$stacksize - 1] == $tag) { // found closing tag $tag = '</' . $tag . '>'; // Close Tag // Pop array_pop ($tagstack); $stacksize--; } else { // closing tag not at top, search for it for ($j=$stacksize-1;$j>=0;$j--) { if ($tagstack[$j] == $tag) { // add tag to tagqueue for ($k=$stacksize-1;$k>=$j;$k--){ $tagqueue .= '</' . array_pop ($tagstack) . '>'; $stacksize--; } break; } } $tag = ''; } } else { // Begin Tag $tag = strtolower($regex[1]); // Tag Cleaning // If self-closing or '', don't do anything. if((substr($regex[2],-1) == '/') || ($tag == '')) { } // ElseIf it's a known single-entity tag but it doesn't close itself, do so elseif ( in_array($tag, $single_tags) ) { $regex[2] .= '/'; } else { // Push the tag onto the stack // If the top of the stack is the same as the tag we want to push, close previous tag if (($stacksize > 0) && !in_array($tag, $nestable_tags) && ($tagstack[$stacksize - 1] == $tag)) { $tagqueue = '</' . array_pop ($tagstack) . '>'; $stacksize--; } $stacksize = array_push ($tagstack, $tag); } // Attributes $attributes = $regex[2]; if($attributes) { $attributes = ' '.$attributes; } $tag = '<'.$tag.$attributes.'>'; //If already queuing a close tag, then put this tag on, too if ($tagqueue) { $tagqueue .= $tag; $tag = ''; } } $newtext .= substr($text,0,$i) . $tag; $text = substr($text,$i+$l); } // Clear Tag Queue $newtext .= $tagqueue; // Add Remaining text $newtext .= $text; // Empty Stack while($x = array_pop($tagstack)) { $newtext .= '</' . $x . '>'; // Add remaining tags to close } // WP fix for the bug with HTML comments $newtext = str_replace("< !--","<!--",$newtext); $newtext = str_replace("< !--","< !--",$newtext); return $newtext; } function format_to_edit($content, $richedit = false) { $content = apply_filters('format_to_edit', $content); if (! $richedit ) $content = htmlspecialchars($content); return $content; } function format_to_post($content) { $content = apply_filters('format_to_post', $content); return $content; } function zeroise($number,$threshold) { // function to add leading zeros when necessary return sprintf('%0'.$threshold.'s', $number); } function backslashit($string) { $string = preg_replace('/^([0-9])/', '\\\\\\\\\1', $string); $string = preg_replace('/([a-z])/i', '\\\\\1', $string); return $string; } function trailingslashit($string) { return untrailingslashit($string) . '/'; } function untrailingslashit($string) { return rtrim($string, '/'); } function addslashes_gpc($gpc) { global $wpdb; if (get_magic_quotes_gpc()) { $gpc = stripslashes($gpc); } return $wpdb->escape($gpc); } function stripslashes_deep($value) { $value = is_array($value) ? array_map('stripslashes_deep', $value) : stripslashes($value); return $value; } function urlencode_deep($value) { $value = is_array($value) ? array_map('urlencode_deep', $value) : urlencode($value); return $value; } function antispambot($emailaddy, $mailto=0) { $emailNOSPAMaddy = ''; srand ((float) microtime() * 1000000); for ($i = 0; $i < strlen($emailaddy); $i = $i + 1) { $j = floor(rand(0, 1+$mailto)); if ($j==0) { $emailNOSPAMaddy .= '&#'.ord(substr($emailaddy,$i,1)).';'; } elseif ($j==1) { $emailNOSPAMaddy .= substr($emailaddy,$i,1); } elseif ($j==2) { $emailNOSPAMaddy .= '%'.zeroise(dechex(ord(substr($emailaddy, $i, 1))), 2); } } $emailNOSPAMaddy = str_replace('@','@',$emailNOSPAMaddy); return $emailNOSPAMaddy; } function _make_url_clickable_cb($matches) { $ret = ''; $url = $matches[2]; $url = clean_url($url); if ( empty($url) ) return $matches[0]; // removed trailing [.,;:] from URL if ( in_array(substr($url, -1), array('.', ',', ';', ':')) === true ) { $ret = substr($url, -1); $url = substr($url, 0, strlen($url)-1); } return $matches[1] . "<a href=\"$url\" rel=\"nofollow\">$url</a>" . $ret; } function _make_web_ftp_clickable_cb($matches) { $ret = ''; $dest = $matches[2]; $dest = 'http://' . $dest; $dest = clean_url($dest); if ( empty($dest) ) return $matches[0]; // removed trailing [,;:] from URL if ( in_array(substr($dest, -1), array('.', ',', ';', ':')) === true ) { $ret = substr($dest, -1); $dest = substr($dest, 0, strlen($dest)-1); } return $matches[1] . "<a href=\"$dest\" rel=\"nofollow\">$dest</a>" . $ret; } function _make_email_clickable_cb($matches) { $email = $matches[2] . '@' . $matches[3]; return $matches[1] . "<a href=\"mailto:$email\">$email</a>"; } function make_clickable($ret) { $ret = ' ' . $ret; // in testing, using arrays here was found to be faster $ret = preg_replace_callback('#([\s>])([\w]+?://[\w\#$%&~/.\-;:=,?@\[\]+]*)#is', '_make_url_clickable_cb', $ret); $ret = preg_replace_callback('#([\s>])((www|ftp)\.[\w\#$%&~/.\-;:=,?@\[\]+]*)#is', '_make_web_ftp_clickable_cb', $ret); $ret = preg_replace_callback('#([\s>])([.0-9a-z_+-]+)@(([0-9a-z-]+\.)+[0-9a-z]{2,})#i', '_make_email_clickable_cb', $ret); // this one is not in an array because we need it to run last, for cleanup of accidental links within links $ret = preg_replace("#(<a( [^>]+?>|>))<a [^>]+?>([^>]+?)</a></a>#i", "$1$3</a>", $ret); $ret = trim($ret); return $ret; } function wp_rel_nofollow( $text ) { global $wpdb; // This is a pre save filter, so text is already escaped. $text = stripslashes($text); $text = preg_replace_callback('|<a (.+?)>|i', 'wp_rel_nofollow_callback', $text); $text = $wpdb->escape($text); return $text; } function wp_rel_nofollow_callback( $matches ) { $text = $matches[1]; $text = str_replace(array(' rel="nofollow"', " rel='nofollow'"), '', $text); return "<a $text rel=\"nofollow\">"; } function convert_smilies($text) { global $wp_smiliessearch, $wp_smiliesreplace; $output = ''; if ( get_option('use_smilies') && !empty($wp_smiliessearch) && !empty($wp_smiliesreplace) ) { // HTML loop taken from texturize function, could possible be consolidated $textarr = preg_split("/(<.*>)/U", $text, -1, PREG_SPLIT_DELIM_CAPTURE); // capture the tags as well as in between $stop = count($textarr);// loop stuff for ($i = 0; $i < $stop; $i++) { $content = $textarr[$i]; if ((strlen($content) > 0) && ('<' != $content{0})) { // If it's not a tag $content = preg_replace($wp_smiliessearch, $wp_smiliesreplace, $content); } $output .= $content; } } else { // return default text. $output = $text; } return $output; } function is_email($user_email) { $chars = "/^([a-z0-9+_]|\\-|\\.)+@(([a-z0-9_]|\\-)+\\.)+[a-z]{2,6}\$/i"; if (strpos($user_email, '@') !== false && strpos($user_email, '.') !== false) { if (preg_match($chars, $user_email)) { return true; } else { return false; } } else { return false; } } // used by wp-mail to handle charsets in email subjects function wp_iso_descrambler($string) { /* this may only work with iso-8859-1, I'm afraid */ if (!preg_match('#\=\?(.+)\?Q\?(.+)\?\=#i', $string, $matches)) { return $string; } else { $subject = str_replace('_', ' ', $matches[2]); $subject = preg_replace('#\=([0-9a-f]{2})#ei', "chr(hexdec(strtolower('$1')))", $subject); return $subject; } } // give it a date, it will give you the same date as GMT function get_gmt_from_date($string) { // note: this only substracts $time_difference from the given date preg_match('#([0-9]{1,4})-([0-9]{1,2})-([0-9]{1,2}) ([0-9]{1,2}):([0-9]{1,2}):([0-9]{1,2})#', $string, $matches); $string_time = gmmktime($matches[4], $matches[5], $matches[6], $matches[2], $matches[3], $matches[1]); $string_gmt = gmdate('Y-m-d H:i:s', $string_time - get_option('gmt_offset') * 3600); return $string_gmt; } // give it a GMT date, it will give you the same date with $time_difference added function get_date_from_gmt($string) { // note: this only adds $time_difference to the given date preg_match('#([0-9]{1,4})-([0-9]{1,2})-([0-9]{1,2}) ([0-9]{1,2}):([0-9]{1,2}):([0-9]{1,2})#', $string, $matches); $string_time = gmmktime($matches[4], $matches[5], $matches[6], $matches[2], $matches[3], $matches[1]); $string_localtime = gmdate('Y-m-d H:i:s', $string_time + get_option('gmt_offset')*3600); return $string_localtime; } // computes an offset in seconds from an iso8601 timezone function iso8601_timezone_to_offset($timezone) { // $timezone is either 'Z' or '[+|-]hhmm' if ($timezone == 'Z') { $offset = 0; } else { $sign = (substr($timezone, 0, 1) == '+') ? 1 : -1; $hours = intval(substr($timezone, 1, 2)); $minutes = intval(substr($timezone, 3, 4)) / 60; $offset = $sign * 3600 * ($hours + $minutes); } return $offset; } // converts an iso8601 date to MySQL DateTime format used by post_date[_gmt] function iso8601_to_datetime($date_string, $timezone = USER) { if ($timezone == GMT) { preg_match('#([0-9]{4})([0-9]{2})([0-9]{2})T([0-9]{2}):([0-9]{2}):([0-9]{2})(Z|[\+|\-][0-9]{2,4}){0,1}#', $date_string, $date_bits); if (!empty($date_bits[7])) { // we have a timezone, so let's compute an offset $offset = iso8601_timezone_to_offset($date_bits[7]); } else { // we don't have a timezone, so we assume user local timezone (not server's!) $offset = 3600 * get_option('gmt_offset'); } $timestamp = gmmktime($date_bits[4], $date_bits[5], $date_bits[6], $date_bits[2], $date_bits[3], $date_bits[1]); $timestamp -= $offset; return gmdate('Y-m-d H:i:s', $timestamp); } elseif ($timezone == USER) { return preg_replace('#([0-9]{4})([0-9]{2})([0-9]{2})T([0-9]{2}):([0-9]{2}):([0-9]{2})(Z|[\+|\-][0-9]{2,4}){0,1}#', '$1-$2-$3 $4:$5:$6', $date_string); } } function popuplinks($text) { // Comment text in popup windows should be filtered through this. // Right now it's a moderately dumb function, ideally it would detect whether // a target or rel attribute was already there and adjust its actions accordingly. $text = preg_replace('/<a (.+?)>/i', "<a $1 target='_blank' rel='external'>", $text); return $text; } function sanitize_email($email) { return preg_replace('/[^a-z0-9+_.@-]/i', '', $email); } function human_time_diff( $from, $to = '' ) { if ( empty($to) ) $to = time(); $diff = (int) abs($to - $from); if ($diff <= 3600) { $mins = round($diff / 60); if ($mins <= 1) { $mins = 1; } $since = sprintf(__ngettext('%s min', '%s mins', $mins), $mins); } else if (($diff <= 86400) && ($diff > 3600)) { $hours = round($diff / 3600); if ($hours <= 1) { $hours = 1; } $since = sprintf(__ngettext('%s hour', '%s hours', $hours), $hours); } elseif ($diff >= 86400) { $days = round($diff / 86400); if ($days <= 1) { $days = 1; } $since = sprintf(__ngettext('%s day', '%s days', $days), $days); } return $since; } function wp_trim_excerpt($text) { // Fakes an excerpt if needed if ( '' == $text ) { $text = get_the_content(''); $text = apply_filters('the_content', $text); $text = str_replace(']]>', ']]>', $text); $text = strip_tags($text); $excerpt_length = 55; $words = explode(' ', $text, $excerpt_length + 1); if (count($words) > $excerpt_length) { array_pop($words); array_push($words, '[...]'); $text = implode(' ', $words); } } return $text; } function ent2ncr($text) { $to_ncr = array( '"' => '"', '&' => '&', '⁄' => '/', '<' => '<', '>' => '>', '|' => '|', ' ' => ' ', '¡' => '¡', '¢' => '¢', '£' => '£', '¤' => '¤', '¥' => '¥', '¦' => '¦', '&brkbar;' => '¦', '§' => '§', '¨' => '¨', '¨' => '¨', '©' => '©', 'ª' => 'ª', '«' => '«', '¬' => '¬', '­' => '­', '®' => '®', '¯' => '¯', '&hibar;' => '¯', '°' => '°', '±' => '±', '²' => '²', '³' => '³', '´' => '´', 'µ' => 'µ', '¶' => '¶', '·' => '·', '¸' => '¸', '¹' => '¹', 'º' => 'º', '»' => '»', '¼' => '¼', '½' => '½', '¾' => '¾', '¿' => '¿', 'À' => 'À', 'Á' => 'Á', 'Â' => 'Â', 'Ã' => 'Ã', 'Ä' => 'Ä', 'Å' => 'Å', 'Æ' => 'Æ', 'Ç' => 'Ç', 'È' => 'È', 'É' => 'É', 'Ê' => 'Ê', 'Ë' => 'Ë', 'Ì' => 'Ì', 'Í' => 'Í', 'Î' => 'Î', 'Ï' => 'Ï', 'Ð' => 'Ð', 'Ñ' => 'Ñ', 'Ò' => 'Ò', 'Ó' => 'Ó', 'Ô' => 'Ô', 'Õ' => 'Õ', 'Ö' => 'Ö', '×' => '×', 'Ø' => 'Ø', 'Ù' => 'Ù', 'Ú' => 'Ú', 'Û' => 'Û', 'Ü' => 'Ü', 'Ý' => 'Ý', 'Þ' => 'Þ', 'ß' => 'ß', 'à' => 'à', 'á' => 'á', 'â' => 'â', 'ã' => 'ã', 'ä' => 'ä', 'å' => 'å', 'æ' => 'æ', 'ç' => 'ç', 'è' => 'è', 'é' => 'é', 'ê' => 'ê', 'ë' => 'ë', 'ì' => 'ì', 'í' => 'í', 'î' => 'î', 'ï' => 'ï', 'ð' => 'ð', 'ñ' => 'ñ', 'ò' => 'ò', 'ó' => 'ó', 'ô' => 'ô', 'õ' => 'õ', 'ö' => 'ö', '÷' => '÷', 'ø' => 'ø', 'ù' => 'ù', 'ú' => 'ú', 'û' => 'û', 'ü' => 'ü', 'ý' => 'ý', 'þ' => 'þ', 'ÿ' => 'ÿ', 'Œ' => 'Œ', 'œ' => 'œ', 'Š' => 'Š', 'š' => 'š', 'Ÿ' => 'Ÿ', 'ƒ' => 'ƒ', 'ˆ' => 'ˆ', '˜' => '˜', 'Α' => 'Α', 'Β' => 'Β', 'Γ' => 'Γ', 'Δ' => 'Δ', 'Ε' => 'Ε', 'Ζ' => 'Ζ', 'Η' => 'Η', 'Θ' => 'Θ', 'Ι' => 'Ι', 'Κ' => 'Κ', 'Λ' => 'Λ', 'Μ' => 'Μ', 'Ν' => 'Ν', 'Ξ' => 'Ξ', 'Ο' => 'Ο', 'Π' => 'Π', 'Ρ' => 'Ρ', 'Σ' => 'Σ', 'Τ' => 'Τ', 'Υ' => 'Υ', 'Φ' => 'Φ', 'Χ' => 'Χ', 'Ψ' => 'Ψ', 'Ω' => 'Ω', 'α' => 'α', 'β' => 'β', 'γ' => 'γ', 'δ' => 'δ', 'ε' => 'ε', 'ζ' => 'ζ', 'η' => 'η', 'θ' => 'θ', 'ι' => 'ι', 'κ' => 'κ', 'λ' => 'λ', 'μ' => 'μ', 'ν' => 'ν', 'ξ' => 'ξ', 'ο' => 'ο', 'π' => 'π', 'ρ' => 'ρ', 'ς' => 'ς', 'σ' => 'σ', 'τ' => 'τ', 'υ' => 'υ', 'φ' => 'φ', 'χ' => 'χ', 'ψ' => 'ψ', 'ω' => 'ω', 'ϑ' => 'ϑ', 'ϒ' => 'ϒ', 'ϖ' => 'ϖ', ' ' => ' ', ' ' => ' ', ' ' => ' ', '‌' => '‌', '‍' => '‍', '‎' => '‎', '‏' => '‏', '–' => '–', '—' => '—', '‘' => '‘', '’' => '’', '‚' => '‚', '“' => '“', '”' => '”', '„' => '„', '†' => '†', '‡' => '‡', '•' => '•', '…' => '…', '‰' => '‰', '′' => '′', '″' => '″', '‹' => '‹', '›' => '›', '‾' => '‾', '⁄' => '⁄', '€' => '€', 'ℑ' => 'ℑ', '℘' => '℘', 'ℜ' => 'ℜ', '™' => '™', 'ℵ' => 'ℵ', '↵' => '↵', '⇐' => '⇐', '⇑' => '⇑', '⇒' => '⇒', '⇓' => '⇓', '⇔' => '⇔', '∀' => '∀', '∂' => '∂', '∃' => '∃', '∅' => '∅', '∇' => '∇', '∈' => '∈', '∉' => '∉', '∋' => '∋', '∏' => '∏', '∑' => '∑', '−' => '−', '∗' => '∗', '√' => '√', '∝' => '∝', '∞' => '∞', '∠' => '∠', '∧' => '∧', '∨' => '∨', '∩' => '∩', '∪' => '∪', '∫' => '∫', '∴' => '∴', '∼' => '∼', '≅' => '≅', '≈' => '≈', '≠' => '≠', '≡' => '≡', '≤' => '≤', '≥' => '≥', '⊂' => '⊂', '⊃' => '⊃', '⊄' => '⊄', '⊆' => '⊆', '⊇' => '⊇', '⊕' => '⊕', '⊗' => '⊗', '⊥' => '⊥', '⋅' => '⋅', '⌈' => '⌈', '⌉' => '⌉', '⌊' => '⌊', '⌋' => '⌋', '⟨' => '〈', '⟩' => '〉', '←' => '←', '↑' => '↑', '→' => '→', '↓' => '↓', '↔' => '↔', '◊' => '◊', '♠' => '♠', '♣' => '♣', '♥' => '♥', '♦' => '♦' ); return str_replace( array_keys($to_ncr), array_values($to_ncr), $text ); } function wp_richedit_pre($text) { // Filtering a blank results in an annoying <br />\n if ( empty($text) ) return apply_filters('richedit_pre', ''); $output = $text; $output = convert_chars($output); $output = wpautop($output); // These must be double-escaped or planets will collide. $output = str_replace('<', '&lt;', $output); $output = str_replace('>', '&gt;', $output); return apply_filters('richedit_pre', $output); } function wp_htmledit_pre($output) { if ( !empty($output) ) $output = htmlspecialchars($output, ENT_NOQUOTES); // convert only < > & return apply_filters('htmledit_pre', $output); } function clean_url( $url, $protocols = null, $context = 'display' ) { $original_url = $url; if ('' == $url) return $url; $url = preg_replace('|[^a-z0-9-~+_.?#=!&;,/:%@()]|i', '', $url); $strip = array('%0d', '%0a'); $url = str_replace($strip, '', $url); $url = str_replace(';//', '://', $url); /* If the URL doesn't appear to contain a scheme, we * presume it needs http:// appended (unless a relative * link starting with / or a php file). */ if ( strpos($url, ':') === false && substr( $url, 0, 1 ) != '/' && !preg_match('/^[a-z0-9-]+?\.php/i', $url) ) $url = 'http://' . $url; // Replace ampersands ony when displaying. if ( 'display' == $context ) $url = preg_replace('/&([^#])(?![a-z]{2,8};)/', '&$1', $url); if ( !is_array($protocols) ) $protocols = array('http', 'https', 'ftp', 'ftps', 'mailto', 'news', 'irc', 'gopher', 'nntp', 'feed', 'telnet'); if ( wp_kses_bad_protocol( $url, $protocols ) != $url ) return ''; return apply_filters('clean_url', $url, $original_url, $context); } function sanitize_url( $url, $protocols = null ) { return clean_url( $url, $protocols, 'db'); } // Borrowed from the PHP Manual user notes. Convert entities, while // preserving already-encoded entities: function htmlentities2($myHTML) { $translation_table=get_html_translation_table (HTML_ENTITIES,ENT_QUOTES); $translation_table[chr(38)] = '&'; return preg_replace("/&(?![A-Za-z]{0,4}\w{2,3};|#[0-9]{2,3};)/","&" , strtr($myHTML, $translation_table)); } // Escape single quotes, specialchar double quotes, and fix line endings. function js_escape($text) { $safe_text = wp_specialchars($text, 'double'); $safe_text = preg_replace('/&#(x)?0*(?(1)27|39);?/i', "'", stripslashes($safe_text)); $safe_text = preg_replace("/\r?\n/", "\\n", addslashes($safe_text)); return apply_filters('js_escape', $safe_text, $text); } // Escaping for HTML attributes function attribute_escape($text) { $safe_text = wp_specialchars($text, true); return apply_filters('attribute_escape', $safe_text, $text); } // Escape a HTML tag name function tag_escape($tag_name) { $safe_tag = strtolower( preg_replace('[^a-zA-Z_:]', '', $tag_name) ); return apply_filters('tag_escape', $safe_tag, $tag_name); } /** * Escapes text for SQL LIKE special characters % and _ * * @param string text the text to be escaped * @return string text, safe for inclusion in LIKE query */ function like_escape($text) { return str_replace(array("%", "_"), array("\\%", "\\_"), $text); } function wp_make_link_relative( $link ) { return preg_replace('|https?://[^/]+(/.*)|i', '$1', $link ); } function sanitize_option($option, $value) { // Remember to call stripslashes! switch ($option) { case 'admin_email': $value = sanitize_email($value); break; case 'default_post_edit_rows': case 'mailserver_port': case 'comment_max_links': case 'page_on_front': case 'rss_excerpt_length': case 'default_category': case 'default_email_category': case 'default_link_category': $value = abs((int) $value); break; case 'posts_per_page': case 'posts_per_rss': $value = (int) $value; if ( empty($value) ) $value = 1; if ( $value < -1 ) $value = abs($value); break; case 'default_ping_status': case 'default_comment_status': // Options that if not there have 0 value but need to be something like "closed" if ( $value == '0' || $value == '') $value = 'closed'; break; case 'blogdescription': case 'blogname': $value = addslashes($value); $value = wp_filter_post_kses( $value ); // calls stripslashes then addslashes $value = stripslashes($value); $value = wp_specialchars( $value ); break; case 'blog_charset': $value = preg_replace('/[^a-zA-Z0-9_-]/', '', $value); // strips slashes break; case 'date_format': case 'time_format': case 'mailserver_url': case 'mailserver_login': case 'mailserver_pass': case 'ping_sites': case 'upload_path': $value = strip_tags($value); $value = addslashes($value); $value = wp_filter_kses($value); // calls stripslashes then addslashes $value = stripslashes($value); break; case 'gmt_offset': $value = preg_replace('/[^0-9:.-]/', '', $value); // strips slashes break; case 'siteurl': case 'home': $value = stripslashes($value); $value = clean_url($value); break; default : $value = apply_filters("sanitize_option_{$option}", $value, $option); break; } return $value; } function wp_parse_str( $string, &$array ) { parse_str( $string, $array ); if ( get_magic_quotes_gpc() ) $array = stripslashes_deep( $array ); // parse_str() adds slashes if magicquotes is on. See: http://php.net/parse_str $array = apply_filters( 'wp_parse_str', $array ); } // Convert lone less than signs. KSES already converts lone greater than signs. function wp_pre_kses_less_than( $text ) { return preg_replace_callback('%<[^>]*?((?=<)|>|$)%', 'wp_pre_kses_less_than_callback', $text); } function wp_pre_kses_less_than_callback( $matches ) { if ( false === strpos($matches[0], '>') ) return wp_specialchars($matches[0]); return $matches[0]; } /** * wp_sprintf() - sprintf() with filters */ function wp_sprintf( $pattern ) { $args = func_get_args( ); $len = strlen($pattern); $start = 0; $result = ''; $arg_index = 0; while ( $len > $start ) { // Last character: append and break if ( strlen($pattern) - 1 == $start ) { $result .= substr($pattern, -1); break; } // Literal %: append and continue if ( substr($pattern, $start, 2) == '%%' ) { $start += 2; $result .= '%'; continue; } // Get fragment before next % $end = strpos($pattern, '%', $start + 1); if ( false === $end ) $end = $len; $fragment = substr($pattern, $start, $end - $start); // Fragment has a specifier if ( $pattern{$start} == '%' ) { // Find numbered arguments or take the next one in order if ( preg_match('/^%(\d+)\$/', $fragment, $matches) ) { $arg = isset($args[$matches[1]]) ? $args[$matches[1]] : ''; $fragment = str_replace("%{$matches[1]}$", '%', $fragment); } else { ++$arg_index; $arg = isset($args[$arg_index]) ? $args[$arg_index] : ''; } // Apply filters OR sprintf $_fragment = apply_filters( 'wp_sprintf', $fragment, $arg ); if ( $_fragment != $fragment ) $fragment = $_fragment; else $fragment = sprintf($fragment, strval($arg) ); } // Append to result and move to next fragment $result .= $fragment; $start = $end; } return $result; } /** * wp_sprintf_l - List specifier %l for wp_sprintf * * @param unknown_type $pattern * @param unknown_type $args * @return unknown */ function wp_sprintf_l($pattern, $args) { // Not a match if ( substr($pattern, 0, 2) != '%l' ) return $pattern; // Nothing to work with if ( empty($args) ) return ''; // Translate and filter the delimiter set (avoid ampersands and entities here) $l = apply_filters('wp_sprintf_l', array( 'between' => _c(', |between list items'), 'between_last_two' => _c(', and |between last two list items'), 'between_only_two' => _c(' and |between only two list items'), )); $args = (array) $args; $result = array_shift($args); if ( count($args) == 1 ) $result .= $l['between_only_two'] . array_shift($args); // Loop when more than two args while ( count($args) ) { $arg = array_shift($args); if ( $i == 1 ) $result .= $l['between_last_two'] . $arg; else $result .= $l['between'] . $arg; } return $result . substr($pattern, 2); } /** * Safely extracts not more than the first $count characters from html string * * UTF-8, tags and entities safe prefix extraction. Entities inside will *NOT* be * counted as one character. For example & will be counted as 4, < as 3, etc. * * @param integer $str String to get the excerpt from * @param integer $count Maximum number of characters to take * @eaturn string the excerpt */ function wp_html_excerpt( $str, $count ) { $str = strip_tags( $str ); $str = mb_strcut( $str, 0, $count ); // remove part of an entity at the end $str = preg_replace( '/&[^;\s]{0,6}$/', '', $str ); return $str; } ?>