307 lines
10 KiB
PHP
307 lines
10 KiB
PHP
<?php
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/**
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* @file include/html2bbcode.php
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* @brief Converter for HTML to BBCode
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*
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* Made by: ike@piratenpartei.de
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* Originally made for the syncom project: http://wiki.piratenpartei.de/Syncom
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* https://github.com/annando/Syncom
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*/
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require_once("include/xml.php");
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function node2bbcode(&$doc, $oldnode, $attributes, $startbb, $endbb)
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{
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do {
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$done = node2bbcodesub($doc, $oldnode, $attributes, $startbb, $endbb);
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} while ($done);
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}
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function node2bbcodesub(&$doc, $oldnode, $attributes, $startbb, $endbb)
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{
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$savestart = str_replace('$', '\x01', $startbb);
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$replace = false;
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$xpath = new DomXPath($doc);
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$list = $xpath->query("//".$oldnode);
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foreach ($list as $oldNode) {
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$attr = array();
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if ($oldNode->attributes->length)
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foreach ($oldNode->attributes as $attribute)
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$attr[$attribute->name] = $attribute->value;
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$replace = true;
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$startbb = $savestart;
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$i = 0;
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foreach ($attributes as $attribute => $value) {
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$startbb = str_replace('\x01'.++$i, '$1', $startbb);
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if (strpos('*'.$startbb, '$1') > 0) {
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if ($replace and (@$attr[$attribute] != '')) {
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$startbb = preg_replace($value, $startbb, $attr[$attribute], -1, $count);
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// If nothing could be changed
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if ($count == 0)
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$replace = false;
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} else
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$replace = false;
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} else {
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if (@$attr[$attribute] != $value)
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$replace = false;
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}
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}
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if ($replace) {
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$StartCode = $oldNode->ownerDocument->createTextNode($startbb);
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$EndCode = $oldNode->ownerDocument->createTextNode($endbb);
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$oldNode->parentNode->insertBefore($StartCode, $oldNode);
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if ($oldNode->hasChildNodes()) {
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foreach ($oldNode->childNodes as $child) {
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$newNode = $child->cloneNode(true);
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$oldNode->parentNode->insertBefore($newNode, $oldNode);
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}
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}
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$oldNode->parentNode->insertBefore($EndCode, $oldNode);
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$oldNode->parentNode->removeChild($oldNode);
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}
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}
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return($replace);
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}
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function _replace_code_cb($m){
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return "<code>".str_replace("\n","<br>\n",$m[1]). "</code>";
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}
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function html2bbcode($message)
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{
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$message = str_replace("\r", "", $message);
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$message = preg_replace_callback("|<pre><code>([^<]*)</code></pre>|ism", "_replace_code_cb", $message);
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$message = str_replace(array(
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"<li><p>",
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"</p></li>",
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),
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array(
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"<li>",
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"</li>",
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),
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$message);
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// remove namespaces
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$message = preg_replace('=<(\w+):(.+?)>=', '<removeme>', $message);
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$message = preg_replace('=</(\w+):(.+?)>=', '</removeme>', $message);
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$doc = new DOMDocument();
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$doc->preserveWhiteSpace = false;
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$message = mb_convert_encoding($message, 'HTML-ENTITIES', "UTF-8");
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@$doc->loadHTML($message);
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xml::deleteNode($doc, 'style');
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xml::deleteNode($doc, 'head');
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xml::deleteNode($doc, 'title');
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xml::deleteNode($doc, 'meta');
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xml::deleteNode($doc, 'xml');
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xml::deleteNode($doc, 'removeme');
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$xpath = new DomXPath($doc);
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$list = $xpath->query("//pre");
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foreach ($list as $node)
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$node->nodeValue = str_replace("\n", "\r", $node->nodeValue);
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$message = $doc->saveHTML();
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$message = str_replace(array("\n<", ">\n", "\r", "\n", "\xC3\x82\xC2\xA0"), array("<", ">", "<br />", " ", ""), $message);
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$message = preg_replace('= [\s]*=i', " ", $message);
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@$doc->loadHTML($message);
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node2bbcode($doc, 'html', array(), "", "");
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node2bbcode($doc, 'body', array(), "", "");
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// Outlook-Quote - Variant 1
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node2bbcode($doc, 'p', array('class'=>'MsoNormal', 'style'=>'margin-left:35.4pt'), '[quote]', '[/quote]');
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// Outlook-Quote - Variant 2
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node2bbcode($doc, 'div', array('style'=>'border:none;border-left:solid blue 1.5pt;padding:0cm 0cm 0cm 4.0pt'), '[quote]', '[/quote]');
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// MyBB-Stuff
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node2bbcode($doc, 'span', array('style'=>'text-decoration: underline;'), '[u]', '[/u]');
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node2bbcode($doc, 'span', array('style'=>'font-style: italic;'), '[i]', '[/i]');
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node2bbcode($doc, 'span', array('style'=>'font-weight: bold;'), '[b]', '[/b]');
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/*node2bbcode($doc, 'font', array('face'=>'/([\w ]+)/', 'size'=>'/(\d+)/', 'color'=>'/(.+)/'), '[font=$1][size=$2][color=$3]', '[/color][/size][/font]');
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node2bbcode($doc, 'font', array('size'=>'/(\d+)/', 'color'=>'/(.+)/'), '[size=$1][color=$2]', '[/color][/size]');
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node2bbcode($doc, 'font', array('face'=>'/([\w ]+)/', 'size'=>'/(.+)/'), '[font=$1][size=$2]', '[/size][/font]');
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node2bbcode($doc, 'font', array('face'=>'/([\w ]+)/', 'color'=>'/(.+)/'), '[font=$1][color=$3]', '[/color][/font]');
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node2bbcode($doc, 'font', array('face'=>'/([\w ]+)/'), '[font=$1]', '[/font]');
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node2bbcode($doc, 'font', array('size'=>'/(\d+)/'), '[size=$1]', '[/size]');
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node2bbcode($doc, 'font', array('color'=>'/(.+)/'), '[color=$1]', '[/color]');
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*/
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// Untested
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//node2bbcode($doc, 'span', array('style'=>'/.*font-size:\s*(.+?)[,;].*font-family:\s*(.+?)[,;].*color:\s*(.+?)[,;].*/'), '[size=$1][font=$2][color=$3]', '[/color][/font][/size]');
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//node2bbcode($doc, 'span', array('style'=>'/.*font-size:\s*(\d+)[,;].*/'), '[size=$1]', '[/size]');
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//node2bbcode($doc, 'span', array('style'=>'/.*font-size:\s*(.+?)[,;].*/'), '[size=$1]', '[/size]');
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node2bbcode($doc, 'span', array('style'=>'/.*color:\s*(.+?)[,;].*/'), '[color="$1"]', '[/color]');
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//node2bbcode($doc, 'span', array('style'=>'/.*font-family:\s*(.+?)[,;].*/'), '[font=$1]', '[/font]');
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//node2bbcode($doc, 'div', array('style'=>'/.*font-family:\s*(.+?)[,;].*font-size:\s*(\d+?)pt.*/'), '[font=$1][size=$2]', '[/size][/font]');
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//node2bbcode($doc, 'div', array('style'=>'/.*font-family:\s*(.+?)[,;].*font-size:\s*(\d+?)px.*/'), '[font=$1][size=$2]', '[/size][/font]');
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//node2bbcode($doc, 'div', array('style'=>'/.*font-family:\s*(.+?)[,;].*/'), '[font=$1]', '[/font]');
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// Importing the classes - interesting for importing of posts from third party networks that were exported from friendica
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// Test
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//node2bbcode($doc, 'span', array('class'=>'/([\w ]+)/'), '[class=$1]', '[/class]');
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node2bbcode($doc, 'span', array('class'=>'type-link'), '[class=type-link]', '[/class]');
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node2bbcode($doc, 'span', array('class'=>'type-video'), '[class=type-video]', '[/class]');
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node2bbcode($doc, 'strong', array(), '[b]', '[/b]');
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node2bbcode($doc, 'em', array(), '[i]', '[/i]');
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node2bbcode($doc, 'b', array(), '[b]', '[/b]');
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node2bbcode($doc, 'i', array(), '[i]', '[/i]');
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node2bbcode($doc, 'u', array(), '[u]', '[/u]');
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node2bbcode($doc, 'big', array(), "[size=large]", "[/size]");
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node2bbcode($doc, 'small', array(), "[size=small]", "[/size]");
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node2bbcode($doc, 'blockquote', array(), '[quote]', '[/quote]');
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node2bbcode($doc, 'br', array(), "\n", '');
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node2bbcode($doc, 'p', array('class'=>'MsoNormal'), "\n", "");
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node2bbcode($doc, 'div', array('class'=>'MsoNormal'), "\r", "");
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node2bbcode($doc, 'span', array(), "", "");
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node2bbcode($doc, 'span', array(), "", "");
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node2bbcode($doc, 'pre', array(), "", "");
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node2bbcode($doc, 'div', array(), "\r", "\r");
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node2bbcode($doc, 'p', array(), "\n", "\n");
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node2bbcode($doc, 'ul', array(), "[list]", "[/list]");
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node2bbcode($doc, 'ol', array(), "[list=1]", "[/list]");
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node2bbcode($doc, 'li', array(), "[*]", "");
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node2bbcode($doc, 'hr', array(), "[hr]", "");
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node2bbcode($doc, 'table', array(), "", "");
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node2bbcode($doc, 'tr', array(), "\n", "");
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node2bbcode($doc, 'td', array(), "\t", "");
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//node2bbcode($doc, 'table', array(), "[table]", "[/table]");
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//node2bbcode($doc, 'th', array(), "[th]", "[/th]");
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//node2bbcode($doc, 'tr', array(), "[tr]", "[/tr]");
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//node2bbcode($doc, 'td', array(), "[td]", "[/td]");
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//node2bbcode($doc, 'h1', array(), "\n\n[size=xx-large][b]", "[/b][/size]\n");
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//node2bbcode($doc, 'h2', array(), "\n\n[size=x-large][b]", "[/b][/size]\n");
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//node2bbcode($doc, 'h3', array(), "\n\n[size=large][b]", "[/b][/size]\n");
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//node2bbcode($doc, 'h4', array(), "\n\n[size=medium][b]", "[/b][/size]\n");
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//node2bbcode($doc, 'h5', array(), "\n\n[size=small][b]", "[/b][/size]\n");
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//node2bbcode($doc, 'h6', array(), "\n\n[size=x-small][b]", "[/b][/size]\n");
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node2bbcode($doc, 'h1', array(), "\n\n[h1]", "[/h1]\n");
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node2bbcode($doc, 'h2', array(), "\n\n[h2]", "[/h2]\n");
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node2bbcode($doc, 'h3', array(), "\n\n[h3]", "[/h3]\n");
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node2bbcode($doc, 'h4', array(), "\n\n[h4]", "[/h4]\n");
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node2bbcode($doc, 'h5', array(), "\n\n[h5]", "[/h5]\n");
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node2bbcode($doc, 'h6', array(), "\n\n[h6]", "[/h6]\n");
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node2bbcode($doc, 'a', array('href'=>'/mailto:(.+)/'), '[mail=$1]', '[/mail]');
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node2bbcode($doc, 'a', array('href'=>'/(.+)/'), '[url=$1]', '[/url]');
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node2bbcode($doc, 'img', array('src'=>'/(.+)/', 'width'=>'/(\d+)/', 'height'=>'/(\d+)/'), '[img=$2x$3]$1', '[/img]');
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node2bbcode($doc, 'img', array('src'=>'/(.+)/'), '[img]$1', '[/img]');
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node2bbcode($doc, 'video', array('src'=>'/(.+)/'), '[video]$1', '[/video]');
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node2bbcode($doc, 'audio', array('src'=>'/(.+)/'), '[audio]$1', '[/audio]');
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node2bbcode($doc, 'iframe', array('src'=>'/(.+)/'), '[iframe]$1', '[/iframe]');
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node2bbcode($doc, 'code', array(), '[code]', '[/code]');
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node2bbcode($doc, 'key', array(), '[code]', '[/code]');
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$message = $doc->saveHTML();
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// I'm removing something really disturbing
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// Don't know exactly what it is
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$message = str_replace(chr(194).chr(160), ' ', $message);
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$message = str_replace(" ", " ", $message);
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// removing multiple DIVs
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$message = preg_replace('=\r *\r=i', "\n", $message);
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$message = str_replace("\r", "\n", $message);
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call_hooks('html2bbcode', $message);
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$message = strip_tags($message);
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$message = html_entity_decode($message, ENT_QUOTES, 'UTF-8');
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$message = str_replace(array("<"), array("<"), $message);
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// remove quotes if they don't make sense
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$message = preg_replace('=\[/quote\][\s]*\[quote\]=i', "\n", $message);
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$message = preg_replace('=\[quote\]\s*=i', "[quote]", $message);
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$message = preg_replace('=\s*\[/quote\]=i', "[/quote]", $message);
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do {
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$oldmessage = $message;
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$message = str_replace("\n \n", "\n\n", $message);
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} while ($oldmessage != $message);
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do {
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$oldmessage = $message;
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$message = str_replace("\n\n\n", "\n\n", $message);
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} while ($oldmessage != $message);
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do {
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$oldmessage = $message;
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$message = str_replace(array(
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"[/size]\n\n",
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"\n[hr]",
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"[hr]\n",
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"\n[list",
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"[/list]\n",
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"\n[/",
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"[list]\n",
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"[list=1]\n",
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"\n[*]"),
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array(
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"[/size]\n",
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"[hr]",
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"[hr]",
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"[list",
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"[/list]",
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"[/",
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"[list]",
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"[list=1]",
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"[*]"),
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$message);
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} while ($message != $oldmessage);
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$message = str_replace(array('[b][b]', '[/b][/b]', '[i][i]', '[/i][/i]'),
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array('[b]', '[/b]', '[i]', '[/i]'), $message);
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// Handling Yahoo style of mails
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$message = str_replace('[hr][b]From:[/b]', '[quote][b]From:[/b]', $message);
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return(trim($message));
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}
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?>
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