diff options
author | donncha <donncha@7be80a69-a1ef-0310-a953-fb0f7c49ff36> | 2006-06-22 18:31:50 +0000 |
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committer | donncha <donncha@7be80a69-a1ef-0310-a953-fb0f7c49ff36> | 2006-06-22 18:31:50 +0000 |
commit | d48e85e0ac5e675ca33fac173f30c75403d1033f (patch) | |
tree | 1164430fa3b83a4d9283961b09c1576f2885e6b2 /wp-includes/formatting.php | |
parent | 086dcde66603301531efc6d8087bd06d0546f148 (diff) | |
download | wordpress-mu-d48e85e0ac5e675ca33fac173f30c75403d1033f.tar.gz wordpress-mu-d48e85e0ac5e675ca33fac173f30c75403d1033f.tar.xz wordpress-mu-d48e85e0ac5e675ca33fac173f30c75403d1033f.zip |
Moved everything in wp-inst down a directory.
Uses's Ryan Boren's htaccess rules and mods
If you're upgrading, try this on a test server first!
git-svn-id: http://svn.automattic.com/wordpress-mu/trunk@591 7be80a69-a1ef-0310-a953-fb0f7c49ff36
Diffstat (limited to 'wp-includes/formatting.php')
-rw-r--r-- | wp-includes/formatting.php | 1049 |
1 files changed, 1049 insertions, 0 deletions
diff --git a/wp-includes/formatting.php b/wp-includes/formatting.php new file mode 100644 index 0000000..61cd1b2 --- /dev/null +++ b/wp-includes/formatting.php @@ -0,0 +1,1049 @@ +<?php + +function wptexturize($text) { + $output = ''; + // Capture tags and everything inside them + $textarr = preg_split("/(<.*>)/Us", $text, -1, PREG_SPLIT_DELIM_CAPTURE); + $stop = count($textarr); $next = true; // loop stuff + for ($i = 0; $i < $stop; $i++) { + $curl = $textarr[$i]; + + if (isset($curl{0}) && '<' != $curl{0} && $next) { // If it's not a tag + $curl = str_replace('---', '—', $curl); + $curl = str_replace(' -- ', ' — ', $curl); + $curl = str_replace('--', '–', $curl); + $curl = str_replace('xn–', 'xn--', $curl); + $curl = str_replace('...', '…', $curl); + $curl = str_replace('``', '“', $curl); + + // This is a hack, look at this more later. It works pretty well though. + $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"); + $curl = str_replace($cockney, $cockneyreplace, $curl); + + $curl = preg_replace("/'s/", '’s', $curl); + $curl = preg_replace("/'(\d\d(?:’|')?s)/", "’$1", $curl); + $curl = preg_replace('/(\s|\A|")\'/', '$1‘', $curl); + $curl = preg_replace('/(\d+)"/', '$1″', $curl); + $curl = preg_replace("/(\d+)'/", '$1′', $curl); + $curl = preg_replace("/(\S)'([^'\s])/", "$1’$2", $curl); + $curl = preg_replace('/(\s|\A)"(?!\s)/', '$1“$2', $curl); + $curl = preg_replace('/"(\s|\S|\Z)/', '”$1', $curl); + $curl = preg_replace("/'([\s.]|\Z)/", '’$1', $curl); + $curl = preg_replace("/ \(tm\)/i", ' ™', $curl); + $curl = str_replace("''", '”', $curl); + + $curl = preg_replace('/(\d+)x(\d+)/', "$1×$2", $curl); + + } elseif (strstr($curl, '<code') || strstr($curl, '<pre') || strstr($curl, '<kbd' || strstr($curl, '<style') || strstr($curl, '<script'))) { + // strstr is fast + $next = false; + } else { + $next = true; + } + $curl = preg_replace('/&([^#])(?![a-zA-Z1-4]{1,8};)/', '&$1', $curl); + $output .= $curl; + } + return $output; +} + +function clean_pre($text) { + $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 + $pee = preg_replace('!(<(?:table|thead|tfoot|caption|colgroup|tbody|tr|td|th|div|dl|dd|dt|ul|ol|li|pre|select|form|blockquote|address|math|p|h[1-6])[^>]*>)!', "\n$1", $pee); + $pee = preg_replace('!(</(?:table|thead|tfoot|caption|colgroup|tbody|tr|td|th|div|dl|dd|dt|ul|ol|li|pre|select|form|blockquote|address|math|p|h[1-6])>)!', "$1\n\n", $pee); + $pee = str_replace(array("\r\n", "\r"), "\n", $pee); // cross-platform newlines + $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*(</?(?:table|thead|tfoot|caption|colgroup|tbody|tr|td|th|div|dl|dd|dt|ul|ol|li|hr|pre|select|form|blockquote|address|math|p|h[1-6])[^>]*>)\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*(</?(?:table|thead|tfoot|caption|colgroup|tbody|tr|td|th|div|dl|dd|dt|ul|ol|li|hr|pre|select|form|blockquote|address|math|p|h[1-6])[^>]*>)!', "$1", $pee); + $pee = preg_replace('!(</?(?:table|thead|tfoot|caption|colgroup|tbody|tr|td|th|div|dl|dd|dt|ul|ol|li|pre|select|form|blockquote|address|math|p|h[1-6])[^>]*>)\s*</p>!', "$1", $pee); + if ($br) $pee = preg_replace('|(?<!<br />)\s*\n|', "<br />\n", $pee); // optionally make line breaks + $pee = preg_replace('!(</?(?:table|thead|tfoot|caption|tbody|tr|td|th|div|dl|dd|dt|ul|ol|li|pre|select|form|blockquote|address|math|p|h[1-6])[^>]*>)\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('!(<pre.*?>)(.*?)</pre>!ise', " stripslashes('$1') . stripslashes(clean_pre('$2')) . '</pre>' ", $pee); + + return $pee; +} + + +function seems_utf8($Str) { # by bmorel at ssi dot fr + for ($i=0; $i<strlen($Str); $i++) { + if (ord($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 == strlen($Str)) || ((ord($Str[$i]) & 0xC0) != 0x80)) + return false; + } + } + return true; +} + +function wp_specialchars( $text, $quotes = 0 ) { + // Like htmlspecialchars except don't double-encode HTML entities + $text = 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 ) { + $unicode = ''; + $values = array(); + $num_octets = 1; + + for ($i = 0; $i < strlen( $utf8_string ); $i++ ) { + + $value = ord( $utf8_string[ $i ] ); + + if ( $value < 128 ) { + $unicode .= chr($value); + } else { + if ( count( $values ) == 0 ) $num_octets = ( $value < 224 ) ? 2 : 3; + + $values[] = $value; + + if ( count( $values ) == $num_octets ) { + if ($num_octets == 3) { + $unicode .= '%' . dechex($values[0]) . '%' . dechex($values[1]) . '%' . dechex($values[2]); + } else { + $unicode .= '%' . dechex($values[0]) . '%' . dechex($values[1]); + } + + $values = array(); + $num_octets = 1; + } + } + } + + return $unicode; +} + +function remove_accents($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'); + + $string = strtr($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_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', $title); + + if (empty($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); + } + + $title = strtolower($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, $flag = 'obsolete') { + // 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; +} + +/* + balanceTags + + Balances Tags of string using a modified stack. + + @param text Text to be balanced + @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 $text + 1.1 Fixed handling of append/stack pop order of end text + Added Cleaning Hooks + 1.0 First Version +*/ +function balanceTags($text, $is_comment = 0, $force = false) { + + if ( !$force && get_option('use_balanceTags') == 0 ) + return $text; + + $tagstack = array(); $stacksize = 0; $tagqueue = ''; $newtext = ''; + + # 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 ($tag == 'br' || $tag == 'img' || $tag == 'hr' || $tag == 'input') { + $regex[2] .= '/'; + } else { // Push the tag onto the stack + // If the top of the stack is the same as the tag we want to push, close previous tag + if (($stacksize > 0) && ($tag != 'div') && ($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) { + global $wpdb; + $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) { + if ( '/' != substr($string, -1)) { + $string .= '/'; + } + return $string; +} + +function addslashes_gpc($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 $value; +} + +function antispambot($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 $emailNOSPAMaddy; +} + +function make_clickable($ret) { + $ret = ' ' . $ret . ' '; + $ret = preg_replace("#([\s>])(https?)://([^\s<>{}()]+[^\s.,<>{}()])#i", "$1<a href='$2://$3' rel='nofollow'>$2://$3</a>", $ret); + $ret = preg_replace("#(\s)www\.([a-z0-9\-]+)\.([a-z0-9\-.\~]+)((?:/[^ <>{}()\n\r]*[^., <>{}()\n\r]?)?)#i", "$1<a href='http://www.$2.$3$4' rel='nofollow'>www.$2.$3$4</a>", $ret); + $ret = preg_replace("#(\s)([a-z0-9\-_.]+)@([a-z0-9\-_.]+)\.([^,< \n\r]+)#i", "$1<a href=\"mailto:$2@$3.$4\">$2@$3.$4</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('|<a (.+?)>|i', '<a $1 rel="nofollow">', $text); + $text = $wpdb->escape($text); + return $text; +} + +function convert_smilies($text) { + global $wp_smiliessearch, $wp_smiliesreplace; + $output = ''; + if (get_settings('use_smilies')) { + // 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 + $content = str_replace($wp_smiliessearch, $wp_smiliesreplace, $content); + } + $output .= $content; + } + } else { + // return default text. + $output = $text; + } + return $output; +} + + +function is_email($user_email) { + $chars = "/^([a-z0-9+_]|\\-|\\.)+@(([a-z0-9_]|\\-)+\\.)+[a-z]{2,6}\$/i"; + if(strstr($user_email, '@') && strstr($user_email, '.')) { + if (preg_match($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_settings('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_settings('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_settings('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) + $since = __('1 min'); + else + $since = sprintf( __('%s mins'), $mins); + } else if (($diff <= 86400) && ($diff > 3600)) { + $hours = round($diff / 3600); + if ($hours <= 1) + $since = __('1 hour'); + else + $since = sprintf( __('%s hours'), $hours ); + } elseif ($diff >= 86400) { + $days = round($diff / 86400); + if ($days <= 1) + $since = __('1 day'); + else + $since = sprintf( __('%s days'), $days ); + } + return $since; +} + +function wp_trim_excerpt($text) { // Fakes an excerpt if needed + global $post; + if ( '' == $text ) { + $text = $post->post_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 clean_url( $url ) { + if ('' == $url) return $url; + $url = preg_replace('|[^a-z0-9-~+_.?#=&;,/:]|i', '', $url); + $url = str_replace(';//', '://', $url); + $url = (!strstr($url, '://')) ? 'http://'.$url : $url; + $url = preg_replace('/&([^#])(?![a-z]{2,8};)/', '&$1', $url); + return $url; +} + +// Borrowed from the PHP Manual user notes. Convert entities, while +// preserving already-encoded entities: +function htmlentities2($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) { + $text = wp_specialchars($text, 'double'); + return preg_replace("/\r?\n/", "\\n", addslashes($text)); +} +?> |