How can a PHP script execute another PHP script in the background without waiting for it to finish?

To execute another PHP script in the background without waiting for it to finish, you can use the `exec()` function in PHP along with the `&` operator to run the script asynchronously. This way, the main script will continue executing without waiting for the background script to finish. 

// Execute another PHP script in the background
exec('php path/to/another_script.php > /dev/null 2>&1 &');

Keywords

PHP script execution background process asynchronous shell_exec

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