How to modify the executable time limit of a web page in PHP

3 modification methods: 1. Open the configuration file "php.ini", find the "max_execution_time" variable, and modify the value of the variable; 2. Use the ini_set() function to modify the value of the "max_execution_time" variable, syntax "ini_set("max_execution_time", "new value")"; 3. Use the set_time_limit() function to modify, the syntax is "set_time_limit(new value)".

The operating environment of this tutorial: windows7 system, PHP8 version, DELL G3 computer

The final page (script) set in php.ini The long execution time is 30 seconds, which is specified by the max_execution_time variable in php.ini. If the script needs to run for a long time, such as sending a large number of emails, or analyzing a large amount of data, the server will forcibly terminate the execution after 30 seconds. program, in this case it is necessary to change the maximum execution time of the php script.

So how to modify the maximum execution time of a web page (script)? Execution time limit?

There are two ways to modify in php:

• Modify the value of the max_execution_time variable in php.ini

  There are two ways: directly Open the php.ini configuration file and modify it, or use the ini_set function to modify it

• Use set_time_limit() to set the new maximum execution time

Here comes the following Learn more.

Method 1. Set in php.ini

In the php.ini configuration file, the script execution time is specified by the max_execution_time variable. Therefore, you only need to set the value of the variable

max_execution_time = 新数值;

Method 2. Set through PHP's ini_set function

ini_set is used Setting the value of php.ini takes effect when the function is executed. After the script ends, the setting becomes invalid. You can modify the configuration without opening the php.ini file, which is very convenient for virtual spaces.

Just use the ini_set function to modify the value of the max_execution_time variable

ini_set("max_execution_time", "新数值");

Method 3. Set through the set_time_limit function

The set_time_limit function is used to limit

set_time_limit(新数值);

Description of page execution time:

Among the above 3 methods, if the value is set to 0, there is no limit, and the script will continue to execute until it is executed Finish.

Therefore, for scripts that need to be executed for a long time, generally add the following code at the beginning of the PHP code

set_time_limit(0);

Recommended learning: "PHP Video Tutorial"

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