http-response-code.php

<?php 
/**
 * Response Code Multi Curl
 * @param  array $urls list url
 * @return array
 */
function checkHttpCode($urls) {

    $user_agent = "Mozilla/4.0 (compatible; MSIE 5.01; Windows NT 5.0)";

    $mh = curl_multi_init();

    $http_code = array();

    foreach ($urls as $key => $url) {
    	$requests[$key] = curl_init($url);

	    //set opptions
	    curl_setopt ($requests[$key], CURLOPT_URL,$url);
	    curl_setopt ($requests[$key], CURLOPT_USERAGENT, $user_agent);
	    curl_setopt ($requests[$key], CURLOPT_RETURNTRANSFER, 1);
	    curl_setopt ($requests[$key], CURLOPT_VERBOSE, false);
	    curl_setopt ($requests[$key], CURLOPT_TIMEOUT, 5);

	    curl_multi_add_handle($mh,$requests[$key]);	    

    }

    //execute the handles
    $running = null;
    do {
        curl_multi_exec($mh, $running);
    } while($running > 0);

    $i = 0;
    
    foreach ($requests as $key => $request) {

    	curl_multi_remove_handle($mh, $request);

    	$http_code[] = array(
    			'response' => curl_getinfo($request, CURLINFO_HTTP_CODE),
    			'url' => $urls[$i]
    		);

    	$i++;
    }

    curl_multi_close($mh);

	$filtered = array_filter($http_code, function($k) { 
		return $k['response'] == '200';
	});

    return $filtered;

}