ReflectionFunctionAbstract::isClosure Checks if closure &reftitle.description; public boolReflectionFunctionAbstract::isClosure Checks whether the reflected function is a Closure. &reftitle.parameters; &no.function.parameters; &reftitle.returnvalues; Returns &true; if the function is a Closure, otherwise &false;. &reftitle.examples; <methodname>ReflectionFunctionAbstract::isClosure</methodname> example isClosure()); // Closure $function2 = function () {}; $reflection2 = new ReflectionFunction($function2); var_dump($reflection2->isClosure()); ?> ]]> &example.outputs; &reftitle.seealso; ReflectionFunctionAbstract::isGenerator