Function Name: register_deactivation_hook
WordPress is a powerful content management system that provides a lot of functionality through its core code and plugins. One of the features that WordPress provides is the ability to run code when a plugin is deactivated. This is made possible through the "register_deactivation_hook" function.
The register_deactivation_hook function is used to register a callback function that will be executed when a plugin is deactivated. This function takes two parameters: the first parameter is the path to the plugin file, and the second parameter is the name of the callback function that should be called.
The callback function that is registered using the register_deactivation_hook function can be used to perform any cleanup tasks that need to be done when a plugin is deactivated. For example, if a plugin has created custom database tables, the callback function can be used to delete those tables.
Here is an example usage code for the register_deactivation_hook function:
function my_plugin_deactivation() {
// Code to be executed when the plugin is deactivated
}
register_deactivation_hook( __FILE__, 'my_plugin_deactivation' );In the example above, we have defined a callback function called "my_plugin_deactivation" that will be executed when the plugin is deactivated. We then register this function using the register_deactivation_hook function, passing in the path to the plugin file and the name of the callback function.
Overall, the register_deactivation_hook function is a powerful tool that can be used to perform cleanup tasks when a plugin is deactivated. It is an essential function for any WordPress developer who wants to create high-quality plugins that provide a great user experience.