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<?php function test(ReflectionFunctionAbstract $r) { var_dump($r->isClosure()); $dc = ($r instanceof ReflectionMethod) ? $r->getDeclaringClass() : null; var_dump($dc ? $dc->getName() : 'no declaring class'); $csc = $r->getClosureScopeClass(); var_dump($csc ? $csc->getName() : 'no closure scope class'); echo "\n\n"; } class C { function f() { return function($p) {}; } } $c = new C; $cl = $c->f(); // instantiate ReflectionFunction directly on closure $rf = new ReflectionFunction($cl); test($rf); // get ReflectionFunction via one of the initial ReflectionFunction's ReflectionParameter objects $rps = $rf->getParameters(); $rp = $rps[0]; test($rp->getDeclaringFunction());
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.7, 7.2.29 - 7.2.33, 7.3.16 - 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
bool(true) string(18) "no declaring class" string(1) "C" bool(true) string(1) "C" string(1) "C"
Output for 5.3.0 - 5.3.29
bool(true) string(18) "no declaring class" Fatal error: Call to undefined method ReflectionFunction::getClosureScopeClass() in /in/FSIjE on line 6
Process exited with code 255.
Output for 5.1.0 - 5.1.6, 5.2.0 - 5.2.17
Parse error: syntax error, unexpected T_FUNCTION in /in/FSIjE on line 13
Process exited with code 255.
Output for 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_FUNCTION in /in/FSIjE on line 13
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STRING, expecting ')' in /in/FSIjE on line 2
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/FSIjE on line 2
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `')'' in /in/FSIjE on line 2
Process exited with code 255.
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