Delete the old theme during an upgrade.

Hooked to the ‘upgrader_clear_destination’ filter by Theme_Upgrader::upgrade() and Theme_Upgrader::bulk_upgrade().

$removed bool Required

$local_destination string Required

$remote_destination string Required

$theme array Required

bool

File: wp-admin/includes/class-theme-upgrader.php. View all references

public function delete_old_theme( $removed, $local_destination, $remote_destination, $theme ) {
	global $wp_filesystem;

	if ( is_wp_error( $removed ) ) {
		return $removed; // Pass errors through.
	}

	if ( ! isset( $theme['theme'] ) ) {
		return $removed;
	}

	$theme      = $theme['theme'];
	$themes_dir = trailingslashit( $wp_filesystem->wp_themes_dir( $theme ) );
	if ( $wp_filesystem->exists( $themes_dir . $theme ) ) {
		if ( ! $wp_filesystem->delete( $themes_dir . $theme, true ) ) {
			return false;
		}
	}

	return true;
}