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<?php class C { static function foo($x = null) {} } $reflMethod = new ReflectionMethod('C', 'foo'); $reflParam = $reflMethod->getParameters()[0]; $serReflParam = serialize($reflParam); $unserReflParam = unserialize($serReflParam); $unserReflParam->isOptional();
based on bWCZA
Output for 7.1.0 - 7.2.0
Fatal error: Uncaught Error: Internal error: Failed to retrieve the reflection object in /in/U5kcQ:13 Stack trace: #0 /in/U5kcQ(13): ReflectionParameter->isOptional() #1 {main} thrown in /in/U5kcQ on line 13
Process exited with code 255.
Output for 5.4.0 - 7.0.20
Fatal error: ReflectionParameter::isOptional(): Internal error: Failed to retrieve the reflection object in /in/U5kcQ on line 13
Process exited with code 255.
Output for 5.1.0 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/U5kcQ on line 8
Process exited with code 255.
Output for 5.0.0 - 5.0.5
Parse error: parse error, unexpected '[' in /in/U5kcQ on line 8
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STATIC, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/U5kcQ on line 4
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1
Parse error: parse error, unexpected T_STATIC, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/U5kcQ on line 4
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `T_OLD_FUNCTION' or `T_FUNCTION' or `T_VAR' or `'}'' in /in/U5kcQ on line 4
Process exited with code 255.