How to set timeout in php

How to set the timeout time in php: First open the php.ini configuration file; then change [max_execution_time=30] to [max_execution_time=600]. If you do not have server modification permission, you can also use the ini_set() function to set the timeout.

Initial setting script execution time

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Open php.ini file, find:

max_execution_time=30

Modify to:

max_execution_time=600

If you do not have server modification permissions, you can set the timeout through the built-in PHP script method. In PHP that needs to perform long-term operations Add the following code to the file:

        

         Copy after login
        
       

You can also set the timeout through the .htaccess file and add the following code to the file:

php_value max_execution_time 600

Method for PHP to request a remote address to set the timeout:

1,file_get_contentsRequest timeout setting

$timeout = array( 'http'=> array( 'timeout'=>5//设置一个超时时间，单位为秒 ) ); $ctx = stream_context_create($timeout); $text = file_get_contents("https://www.jb51.net/",0, $ctx);

2,fopenRequest timeout setting

$timeout = array( 'http' => array( 'timeout' => 5 //设置一个超时时间，单位为秒 ) ); $ctx = stream_context_create($timeout); if ($fp = fopen("https://www.jb51.net/", "r", false, $ctx)) { while( $c = fread($fp, 8192)) { echo $c; } fclose($fp); }

3,curlRequest timeout setting

CURL is a commonly used lib library for accessing the HTTP protocol interface, with high performance and Some concurrency support features, etc.

curl_setopt($ch, opt)You can set some timeout settings, mainly including:

a, CURLOPT_TIMEOUT sets the maximum number of seconds that cURL is allowed to execute.

b. CURLOPT_TIMEOUT_MS sets the maximum number of milliseconds that cURL is allowed to execute.

c. CURLOPT_CONNECTTIMEOUT The time to wait before initiating a connection. If set to 0, it will wait indefinitely.

d. CURLOPT_CONNECTTIMEOUT_MS The time to wait for a connection attempt, in milliseconds. If set to 0, wait infinitely.

e. CURLOPT_DNS_CACHE_TIMEOUT sets the time to save DNS information in memory, the default is 120 seconds.

$ch = curl_init(); curl_setopt($ch, CURLOPT_URL,$url); curl_setopt($ch, CURLOPT_RETURNTRANSFER,1); curl_setopt($ch, CURLOPT_TIMEOUT,60); //只需要设置一个秒的数量就可以 curl_setopt($ch, CURLOPT_HTTPHEADER, $headers); curl_setopt($ch, CURLOPT_USERAGENT, $defined_vars['HTTP_USER_AGENT']);

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