Implementation of ignore_user_abort function for php task scheduling

This article mainly introduces the implementation of the ignore_user_abort function of php scheduled tasks, and analyzes the implementation of the ignore_user_abort function of php scheduled tasks in the form of examples, the usage of the ignore_user_abort function is described in detail. if you need it, you can use this document to describe the implementation method of the ignore_user_abort function of php scheduled tasks. Share it with you for your reference. The specific analysis is as follows:

PHP does not detect whether the user is disconnected until it attempts to send messages to the client. simply use the echo statement to ensure that the messages are sent. see the flush () function. the code is as follows:

The code is as follows:

<? Php
Ignore_user_abort (true );
Set_time_limit (0 );

While (1 ){
$ Fp = fopen('time_task.txt ', "a + ");
$ Str = date ("Y-m-d h: I: s"). "nr ";
Fwrite ($ fp, $ str );
Fclose ($ fp );
Sleep (5); // run once every 30 minutes
}
?>

Definition and usage

The ignore_user_abort () function sets whether the script execution is terminated when the client is disconnected. This function returns the value (a Boolean value) set before user-abort ).

Syntax: ignore_user_abort (setting)

Parameters	Description
Setting	Optional. if it is set to true, the disconnection from the user is ignored. if it is set to false, the script stops running. If this parameter is not set, the current setting is returned.

Tips and comments

Note:PHP does not detect whether the user is disconnected until it attempts to send messages to the client. simply use the echo statement to ensure that the messages are sent. see flush () function.

I hope this article will help you with php programming.