from: https://github.com/bariew/phpquery
To quote the phpQuery (orignally concieved and developed by Tobiasz Cudnik, available on Google Code and Github) project documentation:
phpQuery is a server-side, chainable, CSS3 selector driven Document Object Model (DOM) API based on jQuery JavaScript Library.
Library is written in PHP5 and provides additional Command Line Interface (CLI).
(copied from http://code.google.com/p/phpquery/wiki/Basics)
Complete working example:
<?php
include 'phpQuery-onefile.php';
$file = 'test.html'; // see below for source
// loads the file
// basically think of your php script as a regular HTML page running client side with jQuery. This loads whatever file you want to be the current page
phpQuery::newDocumentFileHTML($file);
// Once the page is loaded, you can then make queries on whatever DOM is loaded.
// This example grabs the title of the currently loaded page.
$titleElement = pq('title'); // in jQuery, this would return a jQuery object. I'm guessing something similar is happening here with pq.
// You can then use any of the functionality available to that pq object. Such as getting the innerHTML like I do here.
$title = $titleElement->html();
// And output the result
echo '<h2>Title:</h2>';
echo '<p>' . htmlentities( $title) . '</p>';
?>Source for test.html:
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
<title>Hello World!</title>
</head>
<body>
</body>
</html>