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PUM_Admin_Popups::sanitize_meta( array $meta = array() )

	public static function sanitize_meta( $meta = array() ) {
		if ( ! empty( $meta ) ) {

			foreach ( $meta as $key => $value ) {

				if ( is_array( $value ) ) {
					$meta[ $key ] = self::sanitize_meta( $value );
				} else if ( is_string( $value ) ) {
					try {
						$value = json_decode( stripslashes( $value ) );
						if ( is_object( $value ) || is_array( $value ) ) {
							$meta[ $key ] = PUM_Admin_Helpers::object_to_array( $value );
						}
					} catch ( Exception $e ) {
					}
				}

			}
		}

		return $meta;
	}