plugins to make a quarter assed attempt at fixing a few cases of busted HTML
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<?php
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fof_add_item_filter('fof_balancetags');
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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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@param force Forces balancing, ignoring the value of the option
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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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--- Modified by Scott Reilly (coffee2code) 02 Aug 2004
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1.2 ***TODO*** Make better - change loop condition to $text
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1.1 Fixed handling of append/stack pop order of end text
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Added Cleaning Hooks
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1.0 First Version
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*/
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function fof_balancetags($text) {
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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 .= $tagqueue;
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$i = strpos($text,$regex[0]);
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$l = strlen($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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// If self-closing or '', don't do anything.
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if((substr($regex[2],-1) == '/') || ($tag == '')) {
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}
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// ElseIf it's a known single-entity tag but it doesn't close itself, do so
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elseif ($tag == 'br' || $tag == 'img' || $tag == 'hr' || $tag == 'input') {
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$regex[2] .= '/';
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} else { // Push the tag onto the stack
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// If the top of the stack is the same as the tag we want to push, close previous tag
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if (($stacksize > 0) && ($tag != 'div') && ($tagstack[$stacksize - 1] == $tag)) {
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$tagqueue = '</' . array_pop ($tagstack) . '>';
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$stacksize--;
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}
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$stacksize = array_push ($tagstack, $tag);
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}
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// Attributes
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$attributes = $regex[2];
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if($attributes) {
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$attributes = ' '.$attributes;
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}
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$tag = '<'.$tag.$attributes.'>';
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//If already queuing a close tag, then put this tag on, too
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if ($tagqueue) {
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$tagqueue .= $tag;
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$tag = '';
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}
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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 .= $tagqueue;
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// Add Remaining text
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$newtext .= $text;
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// Empty Stack
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while($x = array_pop($tagstack)) {
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$newtext .= '</' . $x . '>'; // Add remaining tags to close
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}
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// WP fix for the bug with HTML comments
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$newtext = str_replace("< !--","<!--",$newtext);
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$newtext = str_replace("< !--","< !--",$newtext);
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return $newtext;
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}
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?>
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@ -5,6 +5,7 @@ fof_add_item_filter('fof_fixdivs');
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function fof_fixdivs($text)
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{
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$text = str_ireplace('<div"', '<div "', $text);
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$text = str_ireplace('<div ...', '', $text);
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return $text;
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}
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?>
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