Parse and re-write HTML with PHP - php

Question

I am using Joomla 1.5 and have copied the mod_mainmenu to create a custom menu module. The menu has submenu items (inner UL tags). Here the menu's HTML:
<ul id="sub-menu">
<li class="parent item10"><span>Arts</span>
<ul>
<li class="item29">
<span>Arts Show</span></li>
<li class="item29">
<span>Another Arts Show</span></li>
</ul>
</li>
<li class="parent item15"><span>News</span>
<ul>
<li class="item18">
<span>News Show</span></li>
</ul>
</li>
</ul>
I need to take the above HTML and rewrite it to look like this before it reaches the page:
<div id="sub-menu">
<h3 class="parent item10"><span>Arts</span></h3>
<div>
<a class="item29" href="link2.php"><span>Arts Show</span></a><br />
<a class="item29" href="link3.php"><span>Another Arts Show</span></a>
</div>
<h3 class="parent item15"><span>News</span></h3>
<div>
<a class="item18" href="link7.php"><span>News Show</span></a>
</div>
</div>
How do you do this in PHP? Thanks.

Answer 1

Since jQuery UI Accordion don't handle nested list, you can use other jquery plugins that does (giyf).
If you want to modify html output from your duplicated mod_mainmenu, then simply locate/modify corresponding code (it should be in a view since joomla use mvc).

Answer 2

PHP has a Document Object Model class which can be used for this purpose.
However it would be a whole lot easier to just change the template that drives the output in Joomla and make the change at its source.

Answer 3

Here's a full script to do the job. It's in pure php.
<?php
$dataStr = '<ul id="sub-menu">
<li class="parent item10"><span>Arts</span>
<ul>
<li class="item29">
<span>Arts Show</span></li>
<li class="item29">
<span>Another Arts Show</span></li>
</ul>
</li>
<li class="parent item15"><span>News</span>
<ul>
<li class="item18">
<span>News Show</span></li>
</ul>
</li>
</ul>';
$tempStr = str_replace('<ul ','<div ',$dataStr);
$dataStr = str_replace('<li class="parent','<h3 class="parent ',$tempStr);
$tempStr = str_replace('<ul>','<div>',$dataStr);
$dataStr = str_replace('</ul>','</div>',$tempStr);
$tempStr = str_replace('</li>','',$dataStr);
$dataStr = str_replace('><a ','><a_keep ',$tempStr);
$tempStr = str_replace('<a ','',$dataStr);
$dataStr = str_replace('<li ','<a ',$tempStr);
$tempStr = str_replace('><a_keep ','><a ',$dataStr);
$dataStr = $tempStr;
$newDataStr = "";
$startIndex = 0;
$endIndex = strpos($dataStr, "\n", $startIndex);
$trimNextLine = false;
while (1==1){
if($endIndex == false){
break;
}
$currentLine = substr($dataStr,$startIndex,$endIndex-$startIndex);
$trimCurrentLine = ltrim($currentLine);
$subStrCurrentLine = substr($trimCurrentLine,0,5);
if($subStrCurrentLine==""){
;//do nothing
}
else if($subStrCurrentLine=="<h3 c"){
$tempString = ' '.ltrim(substr($currentLine,0,strlen($currentLine)));
$newDataStr = $newDataStr . $tempString . "</h3>\n";
}
else if($subStrCurrentLine=="<a cl"){
$tempString = ' '.ltrim(substr($currentLine,0,strlen($currentLine)-1));
$newDataStr = $newDataStr . $tempString;
$trimNextLine = true;
}
else if($subStrCurrentLine=="<div>"){
$tempString = ' '.ltrim(substr($currentLine,0,strlen($currentLine)));
$newDataStr = $newDataStr . $tempString."\n";
$trimNextLine = true;
}
else if($subStrCurrentLine=="</div"){
$tempString = ' '.ltrim(substr($currentLine,0,strlen($currentLine)));
$newDataStr = $newDataStr . $tempString."\n";
$trimNextLine = true;
}
else{
if ($trimNextLine == true){
$trimNextLine = false;
$nextStartIndex = $endIndex+1;
$nextEndIndex = strpos($dataStr, "\n", $nextStartIndex);
$nextLine = substr($dataStr,$nextStartIndex,$nextEndIndex-$nextStartIndex);
$trimNextLine = ltrim($nextLine);
$subStrNextLine = substr($trimNextLine,0,5);
if($subStrNextLine=="<a cl"){
$newDataStr = $newDataStr . ' ' . ltrim($currentLine)."<br />\n";
}
else{
$newDataStr = $newDataStr . ' ' . ltrim($currentLine)."\n";
}
}
else{
$newDataStr = $newDataStr . $currentLine."\n";
}
}
$startIndex = $endIndex+1;
$endIndex = strpos($dataStr, "\n", $startIndex);
}
$tempString = substr($dataStr,$startIndex,strlen($dataStr)-$startIndex);
$newDataStr = $newDataStr . $tempString . "\n";
echo($newDataStr);
?>