WordPress at a glance

register_activation_hook() WP 1.0

Set the activation hook for a plugin.

When a plugin is activated, the action 'activate_PLUGINNAME' hook is called. In the name of this hook, PLUGINNAME is replaced with the name of the plugin, including the optional subdirectory. For example, when the plugin is located in wp-content/plugins/sampleplugin/sample.php, then the name of this hook will become 'activate_sampleplugin/sample.php'.

When the plugin consists of only one file and is (as by default) located at wp-content/plugins/sample.php the name of this hook will be 'activate_sample.php'.

No Hooks.

Return

Nothing (null).

Usage

register_activation_hook( $file, $function );
$file(string) (required)
The filename of the plugin including the path.
$function(callable) (required)
The function hooked to the 'activate_PLUGIN' action.

Code of register_activation_hook: wp-includes/plugin.php VER 5.0

<?php
function register_activation_hook($file, $function) {
	$file = plugin_basename($file);
	add_action('activate_' . $file, $function);
}

Related Functions

From category: Plugins, Hooks

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