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<?php function fn() { throw new Exception('test'); } try { $fn = function() { fn(); }; $fn(); } catch (Exception $e) { foreach ($e->getTrace() as $frame) { $r = new ReflectionFunction($frame['function']); echo($r->isClosure()); } }
Output for git.master, git.master_jit, rfc.property-hooks
Parse error: syntax error, unexpected token "fn", expecting "(" in /in/uL9UC on line 3
Process exited with code 255.

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