What are the best practices for running scripts at web server startup and shutdown in PHP?

When running scripts at web server startup and shutdown in PHP, it is recommended to use a combination of server configuration settings and PHP code. To run a script at web server startup, you can utilize the server's configuration file (such as Apache's httpd.conf) to specify a command or script to run when the server starts. To run a script at web server shutdown, you can register a shutdown function in PHP using the register_shutdown_function() function, which will be executed when the script finishes or is terminated. 

// Run script at web server startup
// Add this line to your server configuration file (e.g. httpd.conf for Apache)
// php_value auto_prepend_file "/path/to/startup_script.php"

// Run script at web server shutdown
register_shutdown_function(function() {
    // Code to run at server shutdown
});

Keywords

web server startup shutdown PHP scripts execution order

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