google.protobuf.NullValue */ class NullValue { /** * Null value. * * Generated from protobuf enum NULL_VALUE = 0; */ const NULL_VALUE = 0; private static $valueToName = [ self::NULL_VALUE => 'NULL_VALUE', ]; public static function name($value) { if (!isset(self::$valueToName[$value])) { throw new UnexpectedValueException(sprintf( 'Enum %s has no name defined for value %s', __CLASS__, $value)); } return self::$valueToName[$value]; } public static function value($name) { $const = __CLASS__ . '::' . strtoupper($name); if (!defined($const)) { throw new UnexpectedValueException(sprintf( 'Enum %s has no value defined for name %s', __CLASS__, $name)); } return constant($const); } }