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register_activation_hook

Definition:
function register_activation_hook($file, $function) {}

Set the activation hook for a plugin.
When a plugin is activated, the action ‘activate_PLUGINNAME’ hook is activated. 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/plugin/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/plugin/sample.php the name of this hook will be ‘activate_sample.php’.

Parameters

  • string $file: The filename of the plugin including the path.
  • callback $function: the function hooked to the ‘activate_PLUGIN’ action.

Source code

function register_activation_hook($file, $function) {

	$file = plugin_basename($file);

	add_action('activate_' . $file, $function);

}

2655

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