(PHP 5 >= 5.3.0, PHP 7, PHP 8)
ReflectionFunctionAbstract::isClosure — Checks if closure
Checks whether the reflected function is a Closure.
This function has no parameters.
Returns true
if the function is a Closure, otherwise false
.
Example #1 ReflectionFunctionAbstract::isClosure() example
<?php// Non-closure$function1 = 'str_replace';$reflection1 = new ReflectionFunction($function1);var_dump($reflection1->isClosure());// Closure$function2 = function () {};$reflection2 = new ReflectionFunction($function2);var_dump($reflection2->isClosure());?>
The above example will output:
bool(false) bool(true)