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flatpress/fp-includes/core/core.wp-formatting.php

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<?php
function wptexturize($text) {
$output = '';
// Capture tags and everything inside them
$textarr = preg_split("/(<.*>)/Us", $text, -1, PREG_SPLIT_DELIM_CAPTURE);
$stop = count($textarr);
$skip = 0; // loop stuff
for($i = 0; $i < $stop; $i++) {
$curl = $textarr [$i];
if (isset($curl {0}) && '<' != $curl {0} && $skip == 0) { // If it's not a tag
$curl = str_replace('---', '&#8212;', $curl);
$curl = str_replace(' -- ', ' &#8212; ', $curl);
$curl = str_replace('--', '&#8211;', $curl);
$curl = str_replace('xn&#8211;', 'xn--', $curl);
$curl = str_replace('...', '&#8230;', $curl);
$curl = str_replace('``', '&#8220;', $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(
"&#8217;tain&#8217;t",
"&#8217;twere",
"&#8217;twas",
"&#8217;tis",
"&#8217;twill",
"&#8217;til",
"&#8217;bout",
"&#8217;nuff",
"&#8217;round",
"&#8217;cause"
);
$curl = str_replace($cockney, $cockneyreplace, $curl);
$curl = preg_replace("/'s/", '&#8217;s', $curl);
$curl = preg_replace("/'(\d\d(?:&#8217;|')?s)/", "&#8217;$1", $curl);
$curl = preg_replace('/(\s|\A|")\'/', '$1&#8216;', $curl);
// $curl = preg_replace('/(\d+)"/', '$1&#8243;', $curl);
$curl = preg_replace('/(\s|\A)("|&quot;)(?!\s)/', '$1&#8220;$3', $curl);
$curl = preg_replace("/(\d+)'/", '$1&#8242;', $curl);
$curl = preg_replace("/(\S)'([^'\s])/", "$1&#8217;$2", $curl);
// $curl = preg_replace('/(\s|\A)"(?!\s)/', '$1&#8220;$2', $curl);
$curl = preg_replace('/(\s|\A)("|&quot;)(?!\s)/', '$1&#8220;$3', $curl);
$curl = preg_replace('/("|&quot;)(\s|\S|\Z)/', '&#8221;$2', $curl);
$curl = preg_replace("/'([\s.]|\Z)/", '&#8217;$1', $curl);
$curl = preg_replace("/ \(tm\)/i", ' &#8482;', $curl);
$curl = str_replace("''", '&#8221;', $curl);
$curl = preg_replace('/(\d+)x(\d+)/', "$1&#215;$2", $curl);
} elseif (strstr($curl, '</') || strstr($curl, '/>')) {
if ($skip > 0)
$skip--;
} elseif (strstr($curl, '<code') || strstr($curl, '<pre') || strstr($curl, '<kbd') || strstr($curl, '<style') || strstr($curl, '<script')) {
// strstr is fast
$skip++;
} else {
if (isset($curl {0}) && $curl {0} == "<" && $skip > 0)
$skip++;
}
$curl = preg_replace('/&([^#])(?![a-z12]{1,8};)/', '&#038;$1', $curl);
$output .= $curl;
}
return $output;
}
function clean_pre($matches) {
if (is_array($matches))
$text = $matches [1] . $matches [2] . "</pre>";
else
$text = $matches;
/* NWM: a bit hackish? where are the slashes for double quotes added? */
$text = str_replace('\"', '"', $text);
$text = str_replace('<br />', '', $text);
$text = str_replace('<p>', "\n", $text);
$text = str_replace('</p>', '', $text);
return $text;
}
/**
* Replaces double line-breaks with paragraph elements.
*
* A group of regex replaces used to identify text formatted with newlines and
* replace double line-breaks with HTML paragraph tags. The remaining
* line-breaks after conversion become <<br />> tags, unless $br is set to '0'
* or 'false'.
*
* @since 0.71
*
* @param string $pee
* The text which has to be formatted.
* @param int|bool $br
* Optional. If set, this will convert all remaining line-breaks after paragraphing. Default true.
* @return string Text which has been converted into correct paragraph tags.
*/
function wpautop($pee, $br = 1) {
if (trim($pee) === '')
return '';
$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|col|colgroup|tbody|tr|td|th|div|dl|dd|dt|ul|ol|li|pre|select|option|form|map|area|blockquote|address|math|style|input|p|h[1-6]|hr|fieldset|legend|section|article|aside|hgroup|header|footer|nav|figure|figcaption|details|menu|summary)';
$pee = preg_replace('!(<' . $allblocks . '[^>]*>)!', "\n$1", $pee);
$pee = preg_replace('!(</' . $allblocks . '>)!', "$1\n\n", $pee);
$pee = str_replace(array(
"\r\n",
"\r"
), "\n", $pee); // cross-platform newlines
if (strpos($pee, '<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
// make paragraphs, including one at the end
$pees = preg_split('/\n\s*\n/', $pee, -1, PREG_SPLIT_NO_EMPTY);
$pee = '';
foreach ($pees as $tinkle)
$pee .= '<p>' . trim($tinkle, "\n") . "</p>\n";
$pee = preg_replace('|<p>\s*</p>|', '', $pee); // under certain strange conditions it could create a P of entirely whitespace
$pee = preg_replace('!<p>([^<]+)</(div|address|form)>!', "<p>$1</p></$2>", $pee);
$pee = preg_replace('!<p>\s*(</?' . $allblocks . '[^>]*>)\s*</p>!', "$1", $pee); // don't pee all over a tag
$pee = preg_replace("|<p>(<li.+?)</p>|", "$1", $pee); // problem with nested lists
$pee = preg_replace('|<p><blockquote([^>]*)>|i', "<blockquote$1><p>", $pee);
$pee = str_replace('</blockquote></p>', '</p></blockquote>', $pee);
$pee = preg_replace('!<p>\s*(</?' . $allblocks . '[^>]*>)!', "$1", $pee);
$pee = preg_replace('!(</?' . $allblocks . '[^>]*>)\s*</p>!', "$1", $pee);
if ($br) {
$pee = preg_replace_callback('/<(script|style).*?<\/\\1>/s', '_autop_newline_preservation_helper', $pee);
$pee = preg_replace('|(?<!<br />)\s*\n|', "<br />\n", $pee); // optionally make line breaks
$pee = str_replace('<WPPreserveNewline />', "\n", $pee);
}
$pee = preg_replace('!(</?' . $allblocks . '[^>]*>)\s*<br />!', "$1", $pee);
$pee = preg_replace('!<br />(\s*</?(?:p|li|div|dl|dd|dt|th|pre|td|ul|ol)[^>]*>)!', '$1', $pee);
if (strpos($pee, '<pre') !== false)
$pee = preg_replace_callback('!(<pre[^>]*>)(.*?)</pre>!is', 'clean_pre', $pee);
$pee = preg_replace("|\n</p>$|", '</p>', $pee);
return $pee;
}
/**
* Newline preservation help function for wpautop
*
* @since 3.1.0
* @access private
* @param array $matches
* preg_replace_callback matches array
* @returns string
*/
function _autop_newline_preservation_helper($matches) {
return str_replace("\n", "<WPPreserveNewline />", $matches [0]);
}
function seems_utf8($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 [$i]) & 0xC0) != 0x80))
return false;
}
}
return true;
}
function fmt_escape_separator($text, $sep = '|') {
return str_replace('|', '&#124;', $text);
}
function fmt_unescape_separator($text, $sep = '|') {
return str_replace('&#124;', '|', $text);
}
function wp_specialchars($text, $quotes = 0) {
// Like htmlspecialchars except don't double-encode HTML entities
$text = preg_replace('/&([^#])(?![a-z12]{1,8};)/', '&#038;$1', $text);
$text = str_replace('<', '&lt;', $text);
$text = str_replace('>', '&gt;', $text);
if ($quotes) {
$text = str_replace('"', '&quot;', $text);
$text = str_replace("'", '&#039;', $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(134) => '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(196) . chr(129) => 'L',
chr(197) . chr(130) => 'l',
chr(196) . chr(131) => 'N',
chr(197) . chr(132) => 'n',
chr(196) . chr(133) => 'N',
chr(197) . chr(134) => 'n',
chr(196) . chr(135) => 'N',
chr(197) . chr(136) => 'n',
chr(196) . chr(137) => 'N',
chr(197) . chr(138) => 'n',
chr(196) . chr(139) => 'N',
chr(197) . chr(140) => 'O',
chr(196) . chr(141) => 'o',
chr(197) . chr(142) => 'O',
chr(196) . chr(143) => 'o',
chr(197) . chr(144) => 'O',
chr(196) . 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 $string;
}
function sanitize_title($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);
if (seems_utf8($title)) {
if (function_exists('mb_strtolower')) {
$title = mb_strtolower($title, 'UTF-8');
}
$title = utf8_uri_encode($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);
// and finally: Kill octets
$title = preg_replace('|%([a-fA-F0-9][a-fA-F0-9])|', '', $title);
// remove accents
$title = remove_accents($title);
// title is in lower case always
$title = strtolower($title);
// kill entities
$title = preg_replace('/&.+?;/', '', $title);
// kill special chars
$title = preg_replace('/[^%a-z0-9 _-]/', '', $title);
// replace spaces by dash
$title = preg_replace('/\s+/', '-', $title);
// Kill multiple dashes
$title = preg_replace('|-+|', '-', $title);
// kill dashes at beginning and end of string
$title = trim($title, '-');
return $title;
}
function convert_chars($content, $flag = 'obsolete') {
// Translation of invalid Unicode references range to valid range
$wp_htmltranswinuni = array(
'&#128;' => '&#8364;', // the Euro sign
'&#129;' => '',
'&#130;' => '&#8218;', // these are Windows CP1252 specific characters
'&#131;' => '&#402;', // they would look weird on non-Windows browsers
'&#132;' => '&#8222;',
'&#133;' => '&#8230;',
'&#134;' => '&#8224;',
'&#135;' => '&#8225;',
'&#136;' => '&#710;',
'&#137;' => '&#8240;',
'&#138;' => '&#352;',
'&#139;' => '&#8249;',
'&#140;' => '&#338;',
'&#141;' => '',
'&#142;' => '&#382;',
'&#143;' => '',
'&#144;' => '',
'&#145;' => '&#8216;',
'&#146;' => '&#8217;',
'&#147;' => '&#8220;',
'&#148;' => '&#8221;',
'&#149;' => '&#8226;',
'&#150;' => '&#8211;',
'&#151;' => '&#8212;',
'&#152;' => '&#732;',
'&#153;' => '&#8482;',
'&#154;' => '&#353;',
'&#155;' => '&#8250;',
'&#156;' => '&#339;',
'&#157;' => '',
'&#158;' => '',
'&#159;' => '&#376;'
);
// Remove metadata tags
$content = preg_replace('/<title>(.+?)<\/title>/', '', $content);
$content = preg_replace('/<category>(.+?)<\/category>/', '', $content);
// Converts lone & characters into &#38; (a.k.a. &amp;)
$content = preg_replace('/&([^#])(?![a-z]{1,8};)/i', '&#038;$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})#', '&lt;$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('@', '&#64;', $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();
$diff = (int) abs($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(']]>', ']]&gt;', $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(
'&quot;' => '&#34;',
'&amp;' => '&#38;',
'&frasl;' => '&#47;',
'&lt;' => '&#60;',
'&gt;' => '&#62;',
'&nbsp;' => '&#160;',
'&iexcl;' => '&#161;',
'&cent;' => '&#162;',
'&pound;' => '&#163;',
'&curren;' => '&#164;',
'&yen;' => '&#165;',
'|' => '&#166;',
'&brvbar;' => '&#166;',
'&brkbar;' => '&#166;',
'&sect;' => '&#167;',
'&uml;' => '&#168;',
'&die;' => '&#168;',
'&copy;' => '&#169;',
'&ordf;' => '&#170;',
'&laquo;' => '&#171;',
'&not;' => '&#172;',
'&shy;' => '&#173;',
'&reg;' => '&#174;',
'&macr;' => '&#175;',
'&hibar;' => '&#175;',
'&deg;' => '&#176;',
'&plusmn;' => '&#177;',
'&sup2;' => '&#178;',
'&sup3;' => '&#179;',
'&acute;' => '&#180;',
'&micro;' => '&#181;',
'&para;' => '&#182;',
'&middot;' => '&#183;',
'&cedil;' => '&#184;',
'&sup1;' => '&#185;',
'&ordm;' => '&#186;',
'&raquo;' => '&#187;',
'&frac14;' => '&#188;',
'&frac12;' => '&#189;',
'&frac34;' => '&#190;',
'&iquest;' => '&#191;',
'&Agrave;' => '&#192;',
'&Aacute;' => '&#193;',
'&Acirc;' => '&#194;',
'&Atilde;' => '&#195;',
'&Auml;' => '&#196;',
'&Aring;' => '&#197;',
'&AElig;' => '&#198;',
'&Ccedil;' => '&#199;',
'&Egrave;' => '&#200;',
'&Eacute;' => '&#201;',
'&Ecirc;' => '&#202;',
'&Euml;' => '&#203;',
'&Igrave;' => '&#204;',
'&Iacute;' => '&#205;',
'&Icirc;' => '&#206;',
'&Iuml;' => '&#207;',
'&ETH;' => '&#208;',
'&Ntilde;' => '&#209;',
'&Ograve;' => '&#210;',
'&Oacute;' => '&#211;',
'&Ocirc;' => '&#212;',
'&Otilde;' => '&#213;',
'&Ouml;' => '&#214;',
'&times;' => '&#215;',
'&Oslash;' => '&#216;',
'&Ugrave;' => '&#217;',
'&Uacute;' => '&#218;',
'&Ucirc;' => '&#219;',
'&Uuml;' => '&#220;',
'&Yacute;' => '&#221;',
'&THORN;' => '&#222;',
'&szlig;' => '&#223;',
'&agrave;' => '&#224;',
'&aacute;' => '&#225;',
'&acirc;' => '&#226;',
'&atilde;' => '&#227;',
'&auml;' => '&#228;',
'&aring;' => '&#229;',
'&aelig;' => '&#230;',
'&ccedil;' => '&#231;',
'&egrave;' => '&#232;',
'&eacute;' => '&#233;',
'&ecirc;' => '&#234;',
'&euml;' => '&#235;',
'&igrave;' => '&#236;',
'&iacute;' => '&#237;',
'&icirc;' => '&#238;',
'&iuml;' => '&#239;',
'&eth;' => '&#240;',
'&ntilde;' => '&#241;',
'&ograve;' => '&#242;',
'&oacute;' => '&#243;',
'&ocirc;' => '&#244;',
'&otilde;' => '&#245;',
'&ouml;' => '&#246;',
'&divide;' => '&#247;',
'&oslash;' => '&#248;',
'&ugrave;' => '&#249;',
'&uacute;' => '&#250;',
'&ucirc;' => '&#251;',
'&uuml;' => '&#252;',
'&yacute;' => '&#253;',
'&thorn;' => '&#254;',
'&yuml;' => '&#255;',
'&OElig;' => '&#338;',
'&oelig;' => '&#339;',
'&Scaron;' => '&#352;',
'&scaron;' => '&#353;',
'&Yuml;' => '&#376;',
'&fnof;' => '&#402;',
'&circ;' => '&#710;',
'&tilde;' => '&#732;',
'&Alpha;' => '&#913;',
'&Beta;' => '&#914;',
'&Gamma;' => '&#915;',
'&Delta;' => '&#916;',
'&Epsilon;' => '&#917;',
'&Zeta;' => '&#918;',
'&Eta;' => '&#919;',
'&Theta;' => '&#920;',
'&Iota;' => '&#921;',
'&Kappa;' => '&#922;',
'&Lambda;' => '&#923;',
'&Mu;' => '&#924;',
'&Nu;' => '&#925;',
'&Xi;' => '&#926;',
'&Omicron;' => '&#927;',
'&Pi;' => '&#928;',
'&Rho;' => '&#929;',
'&Sigma;' => '&#931;',
'&Tau;' => '&#932;',
'&Upsilon;' => '&#933;',
'&Phi;' => '&#934;',
'&Chi;' => '&#935;',
'&Psi;' => '&#936;',
'&Omega;' => '&#937;',
'&alpha;' => '&#945;',
'&beta;' => '&#946;',
'&gamma;' => '&#947;',
'&delta;' => '&#948;',
'&epsilon;' => '&#949;',
'&zeta;' => '&#950;',
'&eta;' => '&#951;',
'&theta;' => '&#952;',
'&iota;' => '&#953;',
'&kappa;' => '&#954;',
'&lambda;' => '&#955;',
'&mu;' => '&#956;',
'&nu;' => '&#957;',
'&xi;' => '&#958;',
'&omicron;' => '&#959;',
'&pi;' => '&#960;',
'&rho;' => '&#961;',
'&sigmaf;' => '&#962;',
'&sigma;' => '&#963;',
'&tau;' => '&#964;',
'&upsilon;' => '&#965;',
'&phi;' => '&#966;',
'&chi;' => '&#967;',
'&psi;' => '&#968;',
'&omega;' => '&#969;',
'&thetasym;' => '&#977;',
'&upsih;' => '&#978;',
'&piv;' => '&#982;',
'&ensp;' => '&#8194;',
'&emsp;' => '&#8195;',
'&thinsp;' => '&#8201;',
'&zwnj;' => '&#8204;',
'&zwj;' => '&#8205;',
'&lrm;' => '&#8206;',
'&rlm;' => '&#8207;',
'&ndash;' => '&#8211;',
'&mdash;' => '&#8212;',
'&lsquo;' => '&#8216;',
'&rsquo;' => '&#8217;',
'&sbquo;' => '&#8218;',
'&ldquo;' => '&#8220;',
'&rdquo;' => '&#8221;',
'&bdquo;' => '&#8222;',
'&dagger;' => '&#8224;',
'&Dagger;' => '&#8225;',
'&bull;' => '&#8226;',
'&hellip;' => '&#8230;',
'&permil;' => '&#8240;',
'&prime;' => '&#8242;',
'&Prime;' => '&#8243;',
'&lsaquo;' => '&#8249;',
'&rsaquo;' => '&#8250;',
'&oline;' => '&#8254;',
'&frasl;' => '&#8260;',
'&euro;' => '&#8364;',
'&image;' => '&#8465;',
'&weierp;' => '&#8472;',
'&real;' => '&#8476;',
'&trade;' => '&#8482;',
'&alefsym;' => '&#8501;',
'&crarr;' => '&#8629;',
'&lArr;' => '&#8656;',
'&uArr;' => '&#8657;',
'&rArr;' => '&#8658;',
'&dArr;' => '&#8659;',
'&hArr;' => '&#8660;',
'&forall;' => '&#8704;',
'&part;' => '&#8706;',
'&exist;' => '&#8707;',
'&empty;' => '&#8709;',
'&nabla;' => '&#8711;',
'&isin;' => '&#8712;',
'&notin;' => '&#8713;',
'&ni;' => '&#8715;',
'&prod;' => '&#8719;',
'&sum;' => '&#8721;',
'&minus;' => '&#8722;',
'&lowast;' => '&#8727;',
'&radic;' => '&#8730;',
'&prop;' => '&#8733;',
'&infin;' => '&#8734;',
'&ang;' => '&#8736;',
'&and;' => '&#8743;',
'&or;' => '&#8744;',
'&cap;' => '&#8745;',
'&cup;' => '&#8746;',
'&int;' => '&#8747;',
'&there4;' => '&#8756;',
'&sim;' => '&#8764;',
'&cong;' => '&#8773;',
'&asymp;' => '&#8776;',
'&ne;' => '&#8800;',
'&equiv;' => '&#8801;',
'&le;' => '&#8804;',
'&ge;' => '&#8805;',
'&sub;' => '&#8834;',
'&sup;' => '&#8835;',
'&nsub;' => '&#8836;',
'&sube;' => '&#8838;',
'&supe;' => '&#8839;',
'&oplus;' => '&#8853;',
'&otimes;' => '&#8855;',
'&perp;' => '&#8869;',
'&sdot;' => '&#8901;',
'&lceil;' => '&#8968;',
'&rceil;' => '&#8969;',
'&lfloor;' => '&#8970;',
'&rfloor;' => '&#8971;',
'&lang;' => '&#9001;',
'&rang;' => '&#9002;',
'&larr;' => '&#8592;',
'&uarr;' => '&#8593;',
'&rarr;' => '&#8594;',
'&darr;' => '&#8595;',
'&harr;' => '&#8596;',
'&loz;' => '&#9674;',
'&spades;' => '&#9824;',
'&clubs;' => '&#9827;',
'&hearts;' => '&#9829;',
'&diams;' => '&#9830;'
);
foreach ($to_ncr as $entity => $ncr) {
$text = str_replace($entity, $ncr, $text);
}
return $text;
}
?>
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