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<?php class C { function f() { return new ReflectionFunction(function() {}); } } $c = new C; $r = $c->f(); var_dump($r->isClosure()); var_dump($r->getClosureScopeClass()->getName());
based on d6tjY
Output for 5.4.0 - 7.1.0
bool(true) string(1) "C"
Output for 5.3.0 - 5.3.29
bool(true) Fatal error: Call to undefined method ReflectionFunction::getClosureScopeClass() in /in/8M2aB on line 10
Process exited with code 255.
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.2.17
Parse error: syntax error, unexpected T_FUNCTION, expecting ')' in /in/8M2aB on line 4
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_FUNCTION, expecting ')' in /in/8M2aB on line 4
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `')'' in /in/8M2aB on line 4
Process exited with code 255.