Ping Test from Server to another Server/Host/Ip address

ping_test.php

<h1>Ping test from vibethemes server</h1>
<?php
$host = $_GET['host']; 
if(empty($host)){die();}
if(strlen($host) > 50){die();}

set_error_handler(function($errno, $errstr, $errfile, $errline, array $errcontext) {
    if (0 === error_reporting()) {
        return false;
    }

    throw new ErrorException($errstr, 0, $errno, $errfile, $errline);
});

try {
    $port = 80; $errCode ='';$errStr ='';
    $waitTimeoutInSeconds = 1; 
    if($fp = fsockopen($host,$port,$errCode,$errStr,$waitTimeoutInSeconds)){   
       echo 'Ping Status to '.$host.' was : <span style="color:green">SUCCESSFUL</span>';
    } else {
        echo 'Ping Status to '.$host.' was : <span style="color:red">UNSUCCESSFUL</span>';
    } 
    fclose($fp);
}catch (Exception $e) {
    echo 'Ping Status to '.$host.' was : <span style="color:red">UNSUCCESSFUL</span>';
}
restore_error_handler();
die();
?>