Online PHP editor | refs for 0snEF

<?php function test(ReflectionFunctionAbstract $r) { echo 'isClosure(): '; var_dump($r->isClosure()); if ($r instanceof ReflectionMethod) { $rc = $r->getDeclaringClass(); $dc = $rc ? $rc->getName() : 'no declaring class'; } else { $dc = 'not a ReflectionMethod'; } echo 'getDeclaringClass(): ' . $dc ?: 'no declaring class'; echo "\n"; $csc = $r->getClosureScopeClass(); echo 'getClosureScopeClass(): ' . $csc ? $csc->getName() : 'no closure scope class'; echo "\n"; echo "\n"; } class C { function f() { return function($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());