wikimedia / mediawiki

			return true;

		}

		if ( isset( $this->mParams['required'] )

			&& $this->mParams['required'] !== false

			&& $value === ''

		) {

			return $this->msg( 'htmlform-required' )->parse();

		}

		if ( isset( $this->mValidationCallback ) ) {

			return call_user_func( $this->mValidationCallback, $value, $alldata, $this->mParent );

			return $p;

		}

		if ( isset( $this->mParams['required'] )

			&& $this->mParams['required'] !== false

			&& $value[1] === ''

		) {

			return $this->msg( 'htmlform-required' )->parse();

		}

		return true;

	}