php detects whether the website is opened normally

王林
Release: 2023-04-07 13:38:01
Original
3931 people have browsed it

php detects whether the website is opened normally

<?php
//设置最大执行时间是 120秒
ini_set(&#39;max_execution_time&#39;,120);
function httpcode($url){
  $ch = curl_init();
  $timeout = 3;
  curl_setopt($ch,CURLOPT_FOLLOWLOCATION,1);
  curl_setopt($ch,CURLOPT_RETURNTRANSFER,1);
  curl_setopt($ch, CURLOPT_HEADER, 1);
  curl_setopt ($ch, CURLOPT_CONNECTTIMEOUT, $timeout);
  curl_setopt($ch,CURLOPT_URL,$url);
  curl_exec($ch);
  return $httpcode = curl_getinfo($ch,CURLINFO_HTTP_CODE);
  curl_close($ch);
}
$check_web = array(
&#39;//www.jb51.net/&#39;,
&#39;http://sc.jb51.net/&#39;,
&#39;http://tools.jb51.net/&#39;,
&#39;http://baike.jb51.net/&#39;,
&#39;http://demo.jb51.net/&#39;,
&#39;http://demo2.jb51.net/&#39;,
);
for($i=0;$i<count($check_web);$i++){
  echo $check_web[$i].&#39; -> &#39;.httpcode($check_web[$i]).&#39;<br>&#39;;
}
?>
Copy after login

Usage:

If displayed If it is 200, it is normal. If other values ​​are displayed, it means it is abnormal; the 3 after $timeout is to set the timeout seconds.

The rendering is as follows:

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