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<?php class A {} class B { public function __construct(A $a = null) { } public function test($a = null) { } } $r = new ReflectionMethod('B', 'test'); $p = $r->getParameters()[0]; var_dump($p->getName(), $p->isDefaultValueConstant(), $p->allowsNull(), $p->getDefaultValue()); $r = new ReflectionMethod('B', '__construct'); $p = $r->getParameters()[0]; var_dump($p->getName(), $p->isDefaultValueConstant(), $p->allowsNull(), $p->getDefaultValue());
Output for git.master, git.master_jit, rfc.property-hooks
string(1) "a" bool(false) bool(true) NULL string(1) "a" bool(false) bool(true) NULL

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