public function str($value)
    {
        if (is_array($value)) {
            $allScalar = function ($a, $b) {
                return $a && is_scalar($b);
            };
            if (!array_reduce($value, $allScalar, true)) {
                throw new UnexpectedValueException("Unexpected complex type " . Util::toPhp($value));
            }
            return join(' ', $value);
        }
        return (string)$value;
    }
public function str($value)
    {
        if (is_array($value)) {
            $allScalar = function ($a, $b) {
                return $a && is_scalar($b);
            };
            if (!array_reduce($value, $allScalar, true)) {
                throw new UnexpectedValueException("Unexpected complex type " . Util::toPhp($value));
            }
            return join(' ', $value);
        }
        return (string)$value;
    }
public function str ( $ value ) { if ( is_array ( $ value ) ) { $ allScalar = function ( $ a , $ b ) { return $ a && is_scalar ( $ b ) ; } ; if ( ! array_reduce ( $ value , $ allScalar , true ) ) { throw new UnexpectedValueException ( "Unexpected complex type " . Util :: toPhp ( $ value ) ) ; } return join ( ' ' , $ value ) ; } return ( string ) $ value ; }
Convert the value to a string.

@param mixed $value
@return string
@throws \UnexpectedValueException
Convert the value to a string .