curl_ping

gistfile1.txt

<?php
/**
 * PHP/cURL function to check a web site status. If HTTP status is between 200 and 400,
 * Generally all successes are in this range, the website is reachable.
 *
 *
 * @param string $url URL that must be checked
 */

function urlExists($url) {
    
    global $t;
    global $k;

    $handle = curl_init($url);

    curl_setopt($handle, CURLOPT_FRESH_CONNECT, true);
    curl_setopt($handle, CURLOPT_FORBID_REUSE, true);
    curl_setopt($handle, CURLOPT_FOLLOWLOCATION, true);
    curl_setopt($handle, CURLOPT_RETURNTRANSFER, TRUE);
    curl_setopt($handle, CURLOPT_HEADER, true);
    curl_setopt($handle, CURLOPT_NOBODY, true);
    curl_setopt($handle, CURLOPT_SSL_VERIFYPEER, FALSE);
    curl_setopt($handle, CURLOPT_SSL_VERIFYHOST, 0);
    curl_setopt($handle, CURLOPT_TCP_FASTOPEN, true);
    curl_setopt($handle, CURLOPT_CONNECTTIMEOUT, 5);
    curl_setopt($handle, CURLOPT_TIMEOUT, 30);
    curl_setopt($handle, CURLOPT_URL, $url);

    $response = curl_exec($handle);
    $httpCode = curl_getinfo($handle, CURLINFO_HTTP_CODE);
    $curlCode = curl_getinfo($handle, CURLINFO_RESPONSE_CODE);

        if($httpCode >= 200 && $httpCode < 400 || $httpCode == 401 || $httpCode == 403 || $httpCode == 405 || $curlCode == 8 || $curlCode == 67 || $curlCode == 530 || $curlCode == 60 ) {

            echo '<div class="col-lg-4">';
                echo '<a class="servicetile" href="'. $k['link'] .'" target="_blank" style="display: block">';
            
                    echo '<div id="serviceimg">';
                        echo '<p><img id="'. strtolower($t) .'-service-img" src="assets/img/'. strtolower($k['image']) .'" style="height:85px" alt=""></p>';
                    echo '</div>';
                    
                    echo '<div id="servicetitle">';
                        echo '<div class="servicetext">';
                            echo '<p>'. ucfirst($t) .'</p>';
                        echo '</div>';
                    echo '</div>'; 

                    echo '<p class="btnonline">Online</p>';
                    
                echo '</a>'; 
            echo '</div>';

        } 


        else {


            function url_to_domain($url) {

                $host = parse_url($url, PHP_URL_HOST);
                $port = parse_url($url, PHP_URL_PORT);
                $path = parse_url($url, PHP_URL_PATH);

                    if (!$host)
                        $host = $url;

                    if (substr($host, 0, 4) == "www.")
                        $host = substr($host, 4);
                    if (strlen($host) > 50)
                        $host = substr($host, 0, 47) . '...';

                    return $host . ":" . $port . $path;

            }

                // $fp = fsockopen($url, $timeout = 3);


                $fp = pfsockopen(url_to_domain($url));

                    if (!$fp) {

                        //echo "error: $errstr ($errno)<br />\n";
                        //echo CLOSED;

                        echo '<div class="col-lg-4">';

                            echo '<div id="serviceimg">';
                                echo '<p class="offline"><img id="'. strtolower($t) .'-service-img" src="assets/img/'. strtolower($k['image']) .'" style="height:85px" alt=""></p>';
                            echo '</div>';
                            
                            echo '<div id="servicetitle">';
                                echo '<a class="servicetextoffline" href="'. $k['link'] .'" target="_blank" style="display: block">';
                                    echo '<p>'. ucfirst($t) .'</p>';
                                echo '</a>';
                            echo '</div>'; 
                            
                            echo '<p class="btnoffline">CLOSED</p>';

                        echo '</div>';
                       // fclose($fp);
                        
                    } 
                
                    else {

                        // $out .= "$url\r\n";
                        // $out .= "Connection: Close\r\n\r\n";
                        // fwrite ($fp, $out);
                            
                        //echo OPEN;

                        echo '<div class="col-lg-4">';
                            echo '<a class="servicetile" href="'. $k['link'] .'" target="_blank" style="display: block">';
                        
                                echo '<div id="serviceimg">';
                                    echo '<p><img id="'. strtolower($t) .'-service-img" src="assets/img/'. strtolower($k['image']) .'" style="height:85px" alt=""></p>';
                                echo '</div>';
                                
                                echo '<div id="servicetitle">';
                                    echo '<div class="servicetext">';
                                        echo '<p>'. ucfirst($t) .'</p>';
                                    echo '</div>';
                                echo '</div>'; 

                                echo '<p class="btunknown">OPEN</p>';
                                
                            echo '</a>'; 
                        echo '</div>';
                    fclose($fp);

                    }
            
        }

        curl_close($handle);
    };
?>