some code on PHP for test access to websites with curl

curlTest.php

<?php
function nxs_cURLTest($url)
{
        $ch = curl_init();
        curl_setopt($ch, CURLOPT_URL, $url);
        //curl_setopt($ch, CURLOPT_USERAGENT, "Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; WOW64; Trident/5.0)"); 
        curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
        curl_setopt($ch, CURLOPT_TIMEOUT, 3);
        curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 3);
        $response = curl_exec($ch);
        $errmsg   = curl_error($ch);
        $cInfo    = curl_getinfo($ch);
        curl_close($ch);
        echo "Testing ... " . $url . " - " . $cInfo['url'] . "<br />";
        $httpcode = $cInfo["http_code"];
        echo "Http Code " . $httpcode;
        if ($httpcode >= 200 && $httpcode < 400)
                echo "....<b style='color:green;'> - Ok</b><br />";
        else
        {
                echo "....<b style='color:red;'> - Problem</b><br />";
                echo "Curl error: " . print_r($errmsg);
                echo "<br />";
                //print_r($cInfo);
                //echo "<br />";
                //print_r(htmlentities($response)); 
                echo "There is a problem with cURL. You need to contact your server admin or hosting provider.<br />";
        }
        echo "------<br />";
        $response = null;
        $errmsg   = null;
        $cInfo    = null;
}
$sites = array(
        "http://www.unet.edu.ve/",
        "https://www.google.com/intl/en/contact/",
        "http://www.cgr.gob.ve/",
        "https://www.facebook.com/",
        "https://www.pinterest.com/",
        "http://www.yahoo.co.jp/",
        "https://mobile.twitter.com/",
        //"http://unal.edu.co/",
        "http://www.cinemateca.gob.ve/fcn/index.php/en/",
        "http://www.ciudadccs.info/?s=especulador+Precoz",
        "https://tumblr.com/"
);
foreach ($sites as $site)
{
        nxs_cURLTest($site);
}
?>