switch_theme │ action-hook │ WP 1.5.0

Fires after the theme is switched.

Usage

add_action( 'switch_theme', 'wp_kama_switch_theme_action', 10, 3 );

/**
 * Function for `switch_theme` action-hook.
 * 
 * @param string   $new_name  Name of the new theme.
 * @param WP_Theme $new_theme WP_Theme instance of the new theme.
 * @param WP_Theme $old_theme WP_Theme instance of the old theme.
 *
 * @return void
 */
function wp_kama_switch_theme_action( $new_name, $new_theme, $old_theme ){

	// action...
}

$new_name(string)

Name of the new theme.

$new_theme(WP_Theme)

WP_Theme instance of the new theme.

$old_theme(WP_Theme)

WP_Theme instance of the old theme.

Changelog

Where the hook is called

do_action( 'switch_theme', $new_name, $new_theme, $old_theme );

Where the hook is used in WordPress

add_action( 'switch_theme', array( 'WP_Theme_JSON_Resolver', 'clean_cached_data' ) );