Curl Multi example

CurlMulti.php

<?php

function DoCURLMulti($urls, $options, $processFn, &$errors)
{
	$ch = array();
	
	$mh = curl_multi_init();
	foreach($urls as $urlID => $url)
	{
		$cr = curl_init();
		
		curl_setopt_array($cr, $options);
		curl_setopt($cr, CURLOPT_URL, $url);
		
		curl_multi_add_handle($mh, $cr);
		
		$ch[$urlID] = $cr;
	}
	
	do {
		do {
			$exec = curl_multi_exec($mh, $stillRunning);
		} while($exec == CURLM_CALL_MULTI_PERFORM);
		
		$ms = curl_multi_select($mh);
	} while($stillRunning);
	
	$urlData = array();
	$errors = array();
	foreach($ch as $urlID => $cr)
	{
		$urlData[$urlID] = false;
		
		$ce = curl_error($cr);
		if(!$ce)
			$urlData[$urlID] = $processFn(curl_multi_getcontent($cr), $errors[$urlID]);
		else
			$errors[$urlID] = array('curl' => $ce);
		
		curl_multi_remove_handle($mh, $cr);
		curl_close($cr);
	}
	
	curl_multi_close($mh);
	
	return $urlData;
}