How to let the php program continue running by closing the cmd window

When writing PHP programs, it is often necessary to debug and test on the command line. However, when the command line window is closed, the PHP program is also interrupted, which brings inconvenience to program debugging. This article will introduce how to let the PHP program continue to run after closing the command line window.

When running a PHP program from the command line, you can use the following command:

php myprogram.php

In this case, PHP will parse the myprogram.php file and execute the code in it. However, when the command line window is closed, the PHP program is also interrupted.

To solve this problem, we can use the nohup command. This command allows the program to run in the background and will not be interrupted by closing the command line window.

The syntax for using the nohup command is as follows:

nohup COMMAND > /dev/null

Among them, COMMAND is the command to be executed. /dev/null is a special device file used to receive unwanted output. The > symbol redirects the output of the command to the /dev/null file, which ensures that the output of the command will not interfere with the terminal.

For example, we can execute the PHP program like this:

nohup php myprogram.php > /dev/null

This command will execute the myprogram.php file in the background and redirect the output to the /dev/null file. In this way, the PHP program will not be interrupted when we close the command line window.

If we want to view the log of the nohup command execution, we can use the following command:

tail -f nohup.out

This command will print out the content of the nohup command output to the nohup.out file and update it in real time .

In addition to the nohup command, there are other ways to keep the PHP program running after closing the command line window. For example, you can use the screen command to create a virtual terminal and run PHP programs in this terminal. However, the nohup command is relatively simple and easy to use, and is suitable for use in most situations.

In summary, when developing PHP programs, using the nohup command can avoid the problem of program interruption caused by closing the command line window and improve debugging efficiency.

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