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<?php final class StringParameter { public function __construct($value) { assert(is_string($value)); $this->value = $value; } public function __toString() { return $this->value; } } var_dump((string) new StringParameter("foo%bar%"));
Output for 5.6.0 - 5.6.30, hhvm-3.15.4, 7.0.0 - 7.2.0
string(8) "foo%bar%"