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<?php function a(callable $callback) { } $r = new ReflectionMethod('a'); var_dump($r->getParameter('callback')->isCallable());
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Fatal error: Uncaught ReflectionException: ReflectionMethod::__construct(): Argument #1 ($objectOrMethod) must be a valid method name in /in/d3CKD:7 Stack trace: #0 /in/d3CKD(7): ReflectionMethod->__construct('a') #1 {main} thrown in /in/d3CKD on line 7
Process exited with code 255.
Output for 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
Fatal error: Uncaught ReflectionException: Invalid method name a in /in/d3CKD:7 Stack trace: #0 /in/d3CKD(7): ReflectionMethod->__construct('a') #1 {main} thrown in /in/d3CKD on line 7
Process exited with code 255.
Output for 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40
Fatal error: Uncaught exception 'ReflectionException' with message 'Invalid method name a' in /in/d3CKD:7 Stack trace: #0 /in/d3CKD(7): ReflectionMethod->__construct('a') #1 {main} thrown in /in/d3CKD on line 7
Process exited with code 255.
Output for 5.1.2 - 5.1.6
Fatal error: Call to undefined method ReflectionMethod::getParameter() in /in/d3CKD on line 8
Process exited with code 255.
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.1
Warning: ReflectionMethod::__construct() expects exactly 2 parameters, 1 given in /in/d3CKD on line 7 Fatal error: Call to undefined method ReflectionMethod::getParameter() in /in/d3CKD on line 8
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STRING, expecting ')' in /in/d3CKD 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
Parse error: parse error, unexpected T_STRING, expecting ')' in /in/d3CKD on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `')'' in /in/d3CKD on line 3
Process exited with code 255.

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