(.+?)<\/title>/','',$content); $content = preg_replace('/<category>(.+?)<\/category>/','',$content); // Converts lone & characters into & (a.k.a. &) $content = preg_replace('/&([^#])(?![a-z]{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) { if (get_settings('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) { $content = apply_filters('format_to_edit', $content); $content = htmlspecialchars($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('/([a-z])/i', '\\\\\1', $string); return $string; } function trailingslashit($string) { if ( '/' != substr($string, -1)) { $string .= '/'; } return $string; } function addslashes_gpc($gpc) { if (!get_magic_quotes_gpc()) { $gpc = addslashes($gpc); } return $gpc; } function antispambot($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\-_.]+)@([^,< \n\r]+)#i", "$1<a href=\"mailto:$2@$3\">$2@$3</a>", $ret); $ret = trim($ret); return $ret; } function wp_rel_nofollow( $text ) { $text = preg_replace('|<a(.+?)>|i', '<a$1 rel="nofollow">', $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, $user_email)) { return true; } else { return false; } } else { return false; } } function strip_all_but_one_link($text, $mylink) { $match_link = '#(<a.+?href.+?'.'>)(.+?)(</a>)#'; preg_match_all($match_link, $text, $matches); $count = count($matches[0]); for ($i=0; $i<$count; $i++) { if (!strstr($matches[0][$i], $mylink)) { $text = str_replace($matches[0][$i], $matches[2][$i], $text); } } return $text; } // used by wp-mail to handle charsets in email subjects function wp_iso_descrambler($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(); $diff = (int) ($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; } ?>

)/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 = preg_replace('/(\s)--(\s)/', '$1—$2', $curl); $curl = str_replace('--', '–', $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"); $cockneyreplace = array("’tain’t","’twere","’twas","’tis","’twill","’til","’bout","’nuff","’round"); $curl = str_replace($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 = preg_replace("/ $c$/i", ' ©', $curl); $curl = preg_replace("/ $r$/i", ' ®', $curl); $curl = str_replace("''", '”', $curl); $curl = preg_replace('/(d+)x(\d+)/', "$1×$2", $curl); } elseif (strstr($curl, '', '', $text); $text = str_replace('

', "\n", $text); $text = str_replace('

', '', $text); return $text; } function wpautop($pee, $br = 1) { $pee = $pee . "\n"; // just to make things a little easier, pad the end $pee = preg_replace('|
\s*
|', "\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|math|p|h[1-6])[^>]*>)!', "\n$1", $pee); $pee = preg_replace('!()!', "$1\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', "\t

\n", $pee); // make paragraphs, including one at the end $pee = preg_replace('|

\s*?

|', '', $pee); // under certain strange conditions it could create a P of entirely whitespace $pee = preg_replace('!

\s*(]*>)\s*

!', "$1", $pee); // don't pee all over a tag $pee = preg_replace("|

(|", "$1", $pee); // problem with nested lists $pee = preg_replace('|

]*)>|i', "

", $pee); $pee = str_replace('

', '

', $pee); $pee = preg_replace('!

\s*(]*>)!', "$1", $pee); $pee = preg_replace('!(]*>)\s*

!', "$1", $pee); if ($br) $pee = preg_replace('|(?)\s*\n|', "
\n", $pee); // optionally make line breaks $pee = preg_replace('!(]*>)\s*
!', "$1", $pee); $pee = preg_replace('!
(\s*)!', '$1', $pee); $pee = preg_replace('!()(.*?)!ise', " stripslashes('$1') . clean_pre('$2') . '' ", $pee); return $pee; } function seems_utf8($Str) { # by bmorel at ssi dot fr for ($i=0; $i', '>', $text); if ( $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(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 // TODO: Finish me. chr(197).chr(146) => 'OE', chr(197).chr(147) => 'oe', chr(197).chr(160) => 'S', chr(197).chr(161) => 's', chr(197).chr(189) => 'Z', chr(197).chr(190) => 'z', // 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 $string; } function sanitize_title($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); $title = preg_replace('|%|', '', $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 $content = preg_replace('/(.+?)<\/title>/','',$content); $content = preg_replace('/<category>(.+?)<\/category>/','',$content); // Converts lone & characters into & (a.k.a. &) $content = preg_replace('/&([^#])(?![a-z]{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) { if (get_settings('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) { $content = apply_filters('format_to_edit', $content); $content = htmlspecialchars($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('/([a-z])/i', '\\\\\1', $string); return $string; } function trailingslashit($string) { if ( '/' != substr($string, -1)) { $string .= '/'; } return $string; } function addslashes_gpc($gpc) { if (!get_magic_quotes_gpc()) { $gpc = addslashes($gpc); } return $gpc; } function antispambot($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\-_.]+)@([^,< \n\r]+)#i", "$1<a href=\"mailto:$2@$3\">$2@$3</a>", $ret); $ret = trim($ret); return $ret; } function wp_rel_nofollow( $text ) { $text = preg_replace('|<a(.+?)>|i', '<a$1 rel="nofollow">', $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, $user_email)) { return true; } else { return false; } } else { return false; } } function strip_all_but_one_link($text, $mylink) { $match_link = '#(<a.+?href.+?'.'>)(.+?)(</a>)#'; preg_match_all($match_link, $text, $matches); $count = count($matches[0]); for ($i=0; $i<$count; $i++) { if (!strstr($matches[0][$i], $mylink)) { $text = str_replace($matches[0][$i], $matches[2][$i], $text); } } return $text; } // used by wp-mail to handle charsets in email subjects function wp_iso_descrambler($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(); $diff = (int) ($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; } ?>