<?php  
     $url = "http://172.16.0.40/die.php";  
   $ctx = stream_context_create(array(  
    'http' => array('timeout' => 10)  
     )  
     );  
     $result = @file_get_contents($url, 0, $ctx);  
    if($result){  
         var_dump($result);  
     }else{  
         echo " Buffer is empty";  
     }  
?>  

<?php  
     $url = "http://172.16.0.40/die.php";  
  
  try {  
         echo date('Y-m-d h:i:s');  
         echo "<br/>";  
        //$buffer = file_get_contents($url);  
         $buffer = joy_file_get_contents($url);  
         echo date('Y-m-d h:i:s');  
        if(empty($buffer)) {  
             echo " Buffer is empty";  
         } else {  
             echo " Buffer is not empty";  
         }  
     } catch(Exception $e) {  
       echo "error ";  
     }  
  
     function joy_file_get_contents($url, $second = 5){  
         $ch = curl_init();  
         curl_setopt($ch,CURLOPT_URL,$url);  
         curl_setopt($ch,CURLOPT_HEADER,0);  
         curl_setopt($ch,CURLOPT_TIMEOUT,$second);  
         curl_setopt($ch,CURLOPT_RETURNTRANSFER, true);  
  
         $content = curl_exec($ch);  
         curl_close($ch);  
        return $content;  
     }  
?>