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<?php const A = 'waa'; class A {} class B { public function __construct(A $a = null) { } public function test($a = A) { } } $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 5.4.6 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
string(1) "a" bool(true) bool(true) string(3) "waa" string(1) "a" bool(false) bool(true) NULL
Output for 5.4.0 - 5.4.5
Fatal error: Call to undefined method ReflectionParameter::isDefaultValueConstant() in /in/vZOSA on line 18
Process exited with code 255.
Output for 5.3.0 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/vZOSA on line 17
Process exited with code 255.
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17
Parse error: syntax error, unexpected T_CONST in /in/vZOSA on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_CONST in /in/vZOSA on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/vZOSA on line 3
Process exited with code 255.

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