update_option │ action-hook │ WP 2.9.0

Fires immediately before an option value is updated.

Usage

add_action( 'update_option', 'wp_kama_update_option_action', 10, 3 );

/**
 * Function for `update_option` action-hook.
 * 
 * @param string $option    Name of the option to update.
 * @param mixed  $old_value The old option value.
 * @param mixed  $value     The new option value.
 *
 * @return void
 */
function wp_kama_update_option_action( $option, $old_value, $value ){

	// action...
}

$option(string)

Name of the option to update.

$old_value(mixed)

The old option value.

$value(mixed)

The new option value.

Changelog

Where the hook is called

do_action( 'update_option', $option, $old_value, $value );

Where the hook is used in WordPress