Deletes the old theme during an upgrade.

Description

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

Parameters

$removedboolrequired

$local_destinationstringrequired

$remote_destinationstringrequired

$themearrayrequired

Return

Source

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;
}

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