PHP can detect websites in batches. php can detect websites in batches.

PHP can detect websites in batches. php can detect websites in batches.

This example describes how PHP can check whether a website can be opened normally in batches. We will share this with you for your reference. The details are as follows:

The curl_setopt function is an important function in php. It can imitate some user behaviors, such as user logon and registration.

<? Php // sets the maximum execution time to 120 seconds. ini_set ('max _ execution_time ', 120); function httpcode ($ url) {$ ch = curl_init (); $ timeout = 3; curl_setopt ($ ch, CURLOPT_FOLLOWLOCATION, 1); curl_setopt ($ ch, latency, 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_c Lose ($ ch) ;}$ check_web = array ('HTTP: // future,); for ($ I = 0; $ I <count ($ check_web ); $ I ++) {echo $ check_web [$ I]. '-> '. httpcode ($ check_web [$ I]). '<br>' ;}?>

Usage:

If it is displayed as 200, it is normal. If it is displayed with other values, it means it is abnormal. 3 after $ timeout is the set timeout seconds.

As follows: