[DOMDocument - from PHP5 to PHP4]

I just finished (or so I thought) a project. But my client's server runs PHP4, so I need to adapt my code. Here's what stopped working:

 

$localClasses = new DOMDocument;
$localClasses -> load("file.xml");
$localClasses -> get_elements_by_tagname('Title') -> item(0) -> firstChild -> nodeValue

 

Here's my petty attempt at trying to adapt this code to run in PHP4:

 

$file = file_get_contents("localClasses.xml");
$localClasses = new DOMDocument($file);

$test = $localClasses -> get_elements_by_tagname('Title');
$testText = $test -> item[0] -> firstChild -> nodeValue;
print $testText;

 

This doesn't give me any errors, but nothing shows up. Any help would be appreciated. Thanks for reading!

 

[Call to undefined function: simplexml_load_file()]

Thanks for the answer!

[Call to undefined function: simplexml_load_file()]

I'm working on a very simple CMS for someone. It's working fine but, when I upload the files to their server, I get this error:

 

Fatal error: Call to undefined function: simplexml_load_file() in /home/content/s/o/m/sommerpaul/html/src/index.php on line 11

 

Is it possible that their server is running a different or outdated version of PHP? Is it possible that the files must be in a special folder?

 

This project was going far too smoothly, so I should've expected this. I'm on a deadline so I'd rather not rework the script if I don't have to. Does anyone have any advice?

 

Thanks for reading!