How can PHP scripts be executed without the use of a browser, and what considerations need to be taken into account?

To execute PHP scripts without a browser, you can use the command line interface (CLI) by running the PHP interpreter directly on the command line. When running PHP scripts in CLI mode, you need to ensure that the necessary PHP executable is installed on your system and that the script has the appropriate permissions to be executed.

php /path/to/your/script.php