ReflectionFunctionAbstract::isClosure

(PHP 5 >= 5.3.0, PHP 7, PHP 8)

ReflectionFunctionAbstract::isClosure — Checks if closure

Description

public ReflectionFunctionAbstract::isClosure(): bool

Checks whether the reflected function is a Closure.

Parameters

This function has no parameters.

Return Values

Returns true if the function is a Closure, otherwise false.

Examples

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)

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