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<?php function test(ReflectionFunctionAbstract $r) { var_dump($r->isClosure()); if ($r instanceof ReflectionMethod) { $rc = $r->getDeclaringClass(); $dc = $rc ? $rc->getName() : 'no declaring class'; } else { $dc = 'not a ReflectionMethod'; } var_dump($dc ?: '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 - 5.4.33, 5.5.0 - 5.5.17, 5.6.0 - 5.6.40, 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, 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(22) "not a ReflectionMethod" string(1) "C" bool(true) string(1) "C" string(1) "C"
Output for 5.3.0 - 5.3.29
bool(true) string(22) "not a ReflectionMethod" Fatal error: Call to undefined method ReflectionFunction::getClosureScopeClass() in /in/VgIeT on line 11
Process exited with code 255.
Output for 5.1.0 - 5.1.6, 5.2.0 - 5.2.17
Parse error: syntax error, unexpected ':' in /in/VgIeT on line 10
Process exited with code 255.
Output for 5.0.0 - 5.0.5
Parse error: parse error, unexpected ':' in /in/VgIeT on line 10
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STRING, expecting ')' in /in/VgIeT 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/VgIeT on line 2
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `')'' in /in/VgIeT on line 2
Process exited with code 255.
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