Basic scraping demo with "foreach" parsing

scraper_bbc_foreach.php

<?php

/*	Basic scraping demo with "foreach" parsing
 *	Owen Mundy Copyright 2011 GNU/GPL */
 
$url = "http://www.bbc.co.uk/news/";	// 0. url to start with

$lines = file($url);			// 1. get contents of url in an array

foreach ($lines as $line_num => $line) 	// 2. loop through each line in page
{		
					// 3. if opening string is found
	if(strpos($line, '<h2 class="top-story-header ">')) 	
	{
		$get_content = true;	// 4. we can start getting content
	}
	
	if($get_content == true)
	{
		$data .= $line . "\n";	// 5. then store content until closing string appears
	}

	if(strpos($line, "</h2>")) 	// 6. if closing HTML element found
	{
		$get_content = false;	// 7. stop getting content
	}
}

print $data;				// 8. print result

?>