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<?php class Some { public function method(int $int, callable $callback, array $array, \stdClass $class) { } } $function = new ReflectionMethod('Some', 'method'); foreach ($function->getParameters() as $parameter) { var_dump($parameter->getType()->isBuiltin(), (string)$parameter->getType()); }
Output for git.master, git.master_jit, rfc.property-hooks
bool(true) string(3) "int" bool(true) string(8) "callable" bool(true) string(5) "array" bool(false) string(8) "stdClass"

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