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b4a43ce64d
git-svn-id: http://svn.automattic.com/wordpress/trunk@985 1a063a9b-81f0-0310-95a4-ce76da25c4cd
408 lines
15 KiB
PHP
408 lines
15 KiB
PHP
<?php
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function wptexturize($text) {
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$output = "";
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$textarr = preg_split("/(<.*>)/Us", $text, -1, PREG_SPLIT_DELIM_CAPTURE); // capture the tags as well as in between
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$stop = count($textarr); $next = true; // loop stuff
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for ($i = 0; $i < $stop; $i++) {
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$curl = $textarr[$i];
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if (isset($curl{0}) && '<' != $curl{0} && $next) { // If it's not a tag
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$curl = str_replace('---', '—', $curl);
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$curl = str_replace('--', '–', $curl);
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$curl = str_replace("...", '…', $curl);
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$curl = str_replace('``', '“', $curl);
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// This is a hack, look at this more later. It works pretty well though.
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$cockney = array("'tain't","'twere","'twas","'tis","'twill","'til","'bout","'nuff","'round");
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$cockneyreplace = array("’tain’t","’twere","’twas","’tis","’twill","’til","’bout","’nuff","’round");
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$curl = str_replace($cockney, $cockneyreplace, $curl);
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$curl = preg_replace("/'s/", '’s', $curl);
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$curl = preg_replace("/'(\d\d(?:’|')?s)/", "’$1", $curl);
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$curl = preg_replace('/(\s|\A|")\'/', '$1‘', $curl);
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$curl = preg_replace('/(\d+)"/', '$1″', $curl);
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$curl = preg_replace("/(\d+)'/", '$1′', $curl);
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$curl = preg_replace("/(\S)'([^'\s])/", "$1’$2", $curl);
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$curl = preg_replace('/(\s|\A)"(?!\s)/', '$1“$2', $curl);
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$curl = preg_replace('/"(\s|\Z)/', '”$1', $curl);
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$curl = preg_replace("/'([\s.]|\Z)/", '’$1', $curl);
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$curl = preg_replace("/\(tm\)/i", '™', $curl);
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$curl = preg_replace("/\(c\)/i", '©', $curl);
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$curl = preg_replace("/\(r\)/i", '®', $curl);
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$curl = preg_replace('/&([^#])(?![a-z]{1,8};)/', '&$1', $curl);
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$curl = str_replace("''", '”', $curl);
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$curl = preg_replace('/(d+)x(\d+)/', "$1×$2", $curl);
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} elseif (strstr($curl, '<code') || strstr($curl, '<pre') || strstr($curl, '<kbd' || strstr($curl, '<style') || strstr($curl, '<script'))) {
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// strstr is fast
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$next = false;
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} else {
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$next = true;
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}
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$output .= $curl;
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}
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return $output;
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}
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function clean_pre($text) {
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$text = stripslashes($text);
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$text = str_replace('<br />', '', $text);
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return $text;
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}
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function wpautop($pee, $br = 1) {
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$pee = $pee . "\n"; // just to make things a little easier, pad the end
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$pee = preg_replace('|<br />\s*<br />|', "\n\n", $pee);
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$pee = preg_replace('!(<(?:table|thead|tbody|tr|td|th|div|dl|dd|dt|ul|ol|li|pre|select|form|blockquote|p|h[1-6])[^>]*>)!', "\n$1", $pee); // Space things out a little
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$pee = preg_replace('!(</(?:table|thead|tbody|tr|td|th|div|dl|dd|dt|ul|ol|li|pre|select|form|blockquote|p|h[1-6])>)!', "$1\n", $pee); // Space things out a little
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$pee = preg_replace("/(\r\n|\r)/", "\n", $pee); // cross-platform newlines
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$pee = preg_replace("/\n\n+/", "\n\n", $pee); // take care of duplicates
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$pee = preg_replace('/\n?(.+?)(?:\n\s*\n|\z)/s', "\t<p>$1</p>\n", $pee); // make paragraphs, including one at the end
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$pee = preg_replace('|<p>\s*?</p>|', '', $pee); // under certain strange conditions it could create a P of entirely whitespace
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$pee = preg_replace('!<p>\s*(</?(?:table|thead|tbody|tr|td|th|div|dl|dd|dt|ul|ol|li|pre|select|form|blockquote|p|h[1-6])[^>]*>)\s*</p>!', "$1", $pee); // don't pee all over a tag
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$pee = preg_replace("|<p>(<li.+?)</p>|", "$1", $pee); // problem with nested lists
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$pee = preg_replace('|<p><blockquote([^>]*)>|i', "<blockquote$1><p>", $pee);
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$pee = str_replace('</blockquote></p>', '</p></blockquote>', $pee);
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$pee = preg_replace('!<p>\s*(</?(?:table|thead|tbody|tr|td|th|div|dl|dd|dt|ul|ol|li|pre|select|form|blockquote|p|h[1-6])[^>]*>)!', "$1", $pee);
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$pee = preg_replace('!(</?(?:table|thead|tbody|tr|td|th|div|dl|dd|dt|ul|ol|li|pre|select|form|blockquote|p|h[1-6])[^>]*>)\s*</p>!', "$1", $pee);
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if ($br) $pee = preg_replace('|(?<!<br />)\s*\n|', "<br />\n", $pee); // optionally make line breaks
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$pee = preg_replace('!(</?(?:table|thead|tbody|tr|td|th|div|dl|dd|dt|ul|ol|li|pre|select|form|blockquote|p|h[1-6])[^>]*>)\s*<br />!', "$1", $pee);
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$pee = preg_replace('!<br />(\s*</?(?:p|li|div|dl|dd|dt|th|pre|td|ul|ol)>)!', '$1', $pee);
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$pee = preg_replace('!(<pre.*?>)(.*?)</pre>!ise', " '$1' . clean_pre('$2') . '</pre>' ", $pee);
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$pee = preg_replace('/&([^#])(?![a-z]{1,8};)/', '&$1', $pee);
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return $pee;
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}
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function sanitize_title($title) {
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$title = strtolower($title);
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$title = preg_replace('/&.+?;/', '', $title); // kill entities
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$title = preg_replace('/[^a-z0-9 -]/', '', $title);
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$title = preg_replace('/\s+/', ' ', $title);
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$title = trim($title);
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$title = str_replace(' ', '-', $title);
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$title = preg_replace('|-+|', '-', $title);
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return $title;
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}
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function convert_chars($content, $flag='obsolete attribute left there for backwards compatibility') { // html/unicode entities output
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global $wp_htmltrans, $wp_htmltranswinuni;
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// removes metadata tags
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$content = preg_replace('/<title>(.+?)<\/title>/','',$content);
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$content = preg_replace('/<category>(.+?)<\/category>/','',$content);
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if (get_settings('use_htmltrans')) {
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// converts lone & characters into & (a.k.a. &)
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$content = preg_replace('/&[^#](?![a-z]*;)/ie', '"&".substr("\0",1)', $content);
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// converts HTML-entities to their display values in order to convert them again later
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$content = preg_replace('/['.chr(127).'-'.chr(255).']/e', '"&#".ord(\'\0\').";"', $content );
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$content = strtr($content, $wp_htmltrans);
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// now converting: Windows CP1252 => Unicode (valid HTML)
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// (if you've ever pasted text from MSWord, you'll understand)
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$content = strtr($content, $wp_htmltranswinuni);
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}
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// you can delete these 2 lines if you don't like <br /> and <hr />
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$content = str_replace("<br>","<br />",$content);
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$content = str_replace("<hr>","<hr />",$content);
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return $content;
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}
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/*
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balanceTags
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Balances Tags of string using a modified stack.
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@param text Text to be balanced
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@return Returns balanced text
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@author Leonard Lin (leonard@acm.org)
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@version v1.1
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@date November 4, 2001
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@license GPL v2.0
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@notes
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@changelog
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1.2 ***TODO*** Make better - change loop condition to $text
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1.1 Fixed handling of append/stack pop order of end text
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Added Cleaning Hooks
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1.0 First Version
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*/
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function balanceTags($text, $is_comment = 0) {
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if (get_settings('use_balanceTags') == 0) {
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return $text;
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}
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$tagstack = array(); $stacksize = 0; $tagqueue = ''; $newtext = '';
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# WP bug fix for comments - in case you REALLY meant to type '< !--'
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$text = str_replace('< !--', '< !--', $text);
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# WP bug fix for LOVE <3 (and other situations with '<' before a number)
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$text = preg_replace('#<([0-9]{1})#', '<$1', $text);
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while (preg_match("/<(\/?\w*)\s*([^>]*)>/",$text,$regex)) {
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$newtext = $newtext . $tagqueue;
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$i = strpos($text,$regex[0]);
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$l = strlen($tagqueue) + strlen($regex[0]);
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// clear the shifter
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$tagqueue = '';
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// Pop or Push
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if ($regex[1][0] == "/") { // End Tag
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$tag = strtolower(substr($regex[1],1));
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// if too many closing tags
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if($stacksize <= 0) {
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$tag = '';
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//or close to be safe $tag = '/' . $tag;
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}
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// if stacktop value = tag close value then pop
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else if ($tagstack[$stacksize - 1] == $tag) { // found closing tag
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$tag = '</' . $tag . '>'; // Close Tag
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// Pop
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array_pop ($tagstack);
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$stacksize--;
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} else { // closing tag not at top, search for it
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for ($j=$stacksize-1;$j>=0;$j--) {
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if ($tagstack[$j] == $tag) {
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// add tag to tagqueue
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for ($k=$stacksize-1;$k>=$j;$k--){
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$tagqueue .= '</' . array_pop ($tagstack) . '>';
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$stacksize--;
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}
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break;
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}
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}
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$tag = '';
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}
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} else { // Begin Tag
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$tag = strtolower($regex[1]);
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// Tag Cleaning
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// Push if not img or br or hr
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if($tag != 'br' && $tag != 'img' && $tag != 'hr') {
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$stacksize = array_push ($tagstack, $tag);
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}
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// Attributes
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// $attributes = $regex[2];
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$attributes = $regex[2];
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if($attributes) {
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$attributes = ' '.$attributes;
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}
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$tag = '<'.$tag.$attributes.'>';
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}
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$newtext .= substr($text,0,$i) . $tag;
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$text = substr($text,$i+$l);
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}
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// Clear Tag Queue
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$newtext = $newtext . $tagqueue;
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// Add Remaining text
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$newtext .= $text;
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// Empty Stack
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while($x = array_pop($tagstack)) {
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$newtext = $newtext . '</' . $x . '>'; // Add remaining tags to close
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}
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# WP fix for the bug with HTML comments
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$newtext = str_replace("< !--","<!--",$newtext);
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$newtext = str_replace("< !--","< !--",$newtext);
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return $newtext;
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}
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function autobrize($content) {
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$content = preg_replace("/<br>\n/", "\n", $content);
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$content = preg_replace("/<br \/>\n/", "\n", $content);
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$content = preg_replace("/(\015\012)|(\015)|(\012)/", "<br />\n", $content);
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return $content;
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}
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function unautobrize($content) {
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$content = preg_replace("/<br>\n/", "\n", $content); //for PHP versions before 4.0.5
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$content = preg_replace("/<br \/>\n/", "\n", $content);
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return $content;
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}
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function format_to_edit($content) {
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global $autobr;
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$content = stripslashes($content);
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if ($autobr) { $content = unautobrize($content); }
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$content = htmlspecialchars($content);
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return $content;
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}
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function format_to_post($content) {
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global $post_autobr,$comment_autobr;
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$content = addslashes($content);
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if ($post_autobr || $comment_autobr) { $content = autobrize($content); }
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return $content;
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}
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function zeroise($number,$threshold) { // function to add leading zeros when necessary
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$l=strlen($number);
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if ($l<$threshold)
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for ($i=0; $i<($threshold-$l); $i=$i+1) { $number='0'.$number; }
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return $number;
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}
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function backslashit($string) {
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$string = preg_replace('/([a-z])/i', '\\\\\1', $string);
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return $string;
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}
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function trailingslashit($string) {
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if ( '/' != substr($string, -1)) {
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$string .= '/';
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}
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return $string;
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}
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function addslashes_gpc($gpc) {
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if (!get_magic_quotes_gpc()) {
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$gpc = addslashes($gpc);
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}
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return $gpc;
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}
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function antispambot($emailaddy, $mailto=0) {
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$emailNOSPAMaddy = '';
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srand ((float) microtime() * 1000000);
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for ($i = 0; $i < strlen($emailaddy); $i = $i + 1) {
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$j = floor(rand(0, 1+$mailto));
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if ($j==0) {
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$emailNOSPAMaddy .= '&#'.ord(substr($emailaddy,$i,1)).';';
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} elseif ($j==1) {
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$emailNOSPAMaddy .= substr($emailaddy,$i,1);
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} elseif ($j==2) {
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$emailNOSPAMaddy .= '%'.zeroise(dechex(ord(substr($emailaddy, $i, 1))), 2);
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}
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}
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$emailNOSPAMaddy = str_replace('@','@',$emailNOSPAMaddy);
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return $emailNOSPAMaddy;
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}
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function make_clickable($text) { // original function: phpBB, extended here for AIM & ICQ
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$ret = " " . $text;
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$ret = preg_replace("#([\n ])([a-z]+?)://([^, <>{}\n\r]+)#i", "\\1<a href=\"\\2://\\3\" target=\"_blank\">\\2://\\3</a>", $ret);
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$ret = preg_replace("#([\n ])aim:([^,< \n\r]+)#i", "\\1<a href=\"aim:goim?screenname=\\2\\3&message=Hello\">\\2\\3</a>", $ret);
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$ret = preg_replace("#([\n ])icq:([^,< \n\r]+)#i", "\\1<a href=\"http://wwp.icq.com/scripts/search.dll?to=\\2\\3\">\\2\\3</a>", $ret);
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$ret = preg_replace("#([\n ])www\.([a-z0-9\-]+)\.([a-z0-9\-.\~]+)((?:/[^,< \n\r]*)?)#i", "\\1<a href=\"http://www.\\2.\\3\\4\" target=\"_blank\">www.\\2.\\3\\4</a>", $ret);
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$ret = preg_replace("#([\n ])([a-z0-9\-_.]+?)@([^,< \n\r]+)#i", "\\1<a href=\"mailto:\\2@\\3\">\\2@\\3</a>", $ret);
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$ret = substr($ret, 1);
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return $ret;
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}
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function convert_bbcode($content) { // depreciated
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return $content;
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}
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function convert_bbcode_email($content) {
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global $use_bbcode;
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$bbcode_email["in"] = array(
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'#\[email](.+?)\[/email]#eis',
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'#\[email=(.+?)](.+?)\[/email]#eis'
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);
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$bbcode_email["out"] = array(
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"'<a href=\"mailto:'.antispambot('\\1').'\">'.antispambot('\\1').'</a>'", // E-mail
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"'<a href=\"mailto:'.antispambot('\\1').'\">\\2</a>'"
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);
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$content = preg_replace($bbcode_email["in"], $bbcode_email["out"], $content);
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return $content;
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}
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function convert_gmcode($content) { // depreciated
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return $content;
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}
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function convert_smilies($text) {
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global $wp_smiliessearch, $wp_smiliesreplace;
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$output = '';
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if (get_settings('use_smilies')) {
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// HTML loop taken from texturize function, could possible be consolidated
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$textarr = preg_split("/(<.*>)/U", $text, -1, PREG_SPLIT_DELIM_CAPTURE); // capture the tags as well as in between
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$stop = count($textarr);// loop stuff
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for ($i = 0; $i < $stop; $i++) {
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$content = $textarr[$i];
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if ((strlen($content) > 0) && ('<' != $content{0})) { // If it's not a tag
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$content = str_replace($wp_smiliessearch, $wp_smiliesreplace, $content);
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}
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$output .= $content;
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}
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} else {
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// return default text.
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$output = $text;
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}
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return $output;
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}
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function is_email($user_email) {
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$chars = "/^([a-z0-9_]|\\-|\\.)+@(([a-z0-9_]|\\-)+\\.)+[a-z]{2,4}\$/i";
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if(strstr($user_email, '@') && strstr($user_email, '.')) {
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if (preg_match($chars, $user_email)) {
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return true;
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} else {
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return false;
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}
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} else {
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return false;
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}
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}
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function strip_all_but_one_link($text, $mylink) {
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$match_link = '#(<a.+?href.+?'.'>)(.+?)(</a>)#';
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preg_match_all($match_link, $text, $matches);
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$count = count($matches[0]);
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for ($i=0; $i<$count; $i++) {
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if (!strstr($matches[0][$i], $mylink)) {
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$text = str_replace($matches[0][$i], $matches[2][$i], $text);
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}
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}
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return $text;
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}
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// used by wp-mail to handle charsets in email subjects
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function wp_iso_descrambler($string) {
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/* this may only work with iso-8859-1, I'm afraid */
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if (!preg_match('#\=\?(.+)\?Q\?(.+)\?\=#i', $string, $matches)) {
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return $string;
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} else {
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$subject = str_replace('_', ' ', $matches[2]);
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$subject = preg_replace('#\=([0-9a-f]{2})#ei', "chr(hexdec(strtolower('$1')))", $subject);
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return $subject;
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}
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}
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// give it a date, it will give you the same date as GMT
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function get_gmt_from_date($string) {
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// note: this only substracts $time_difference from the given date
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$time_difference = get_settings('time_difference');
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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, $matches);
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$string_time = gmmktime($matches[4], $matches[5], $matches[6], $matches[2], $matches[3], $matches[1]);
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$string_gmt = gmdate('Y-m-d H:i:s', $string_time - $time_difference*3600);
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return $string_gmt;
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}
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// give it a GMT date, it will give you the same date with $time_difference added
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function get_date_from_gmt($string) {
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// note: this only adds $time_difference to the given date
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$time_difference = get_settings('time_difference');
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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, $matches);
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$string_time = gmmktime($matches[4], $matches[5], $matches[6], $matches[2], $matches[3], $matches[1]);
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$string_localtime = gmdate('Y-m-d H:i:s', $string_time + $time_difference*3600);
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return $string_localtime;
|
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}
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?>
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