ReflectionFunctionAbstract
PHP Manual

ReflectionFunctionAbstract::isClosure

(PHP 5 >= 5.3.0, PHP 7)

ReflectionFunctionAbstract::isClosureChecks if closure

Description

public bool ReflectionFunctionAbstract::isClosure ( void )

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)

See Also


ReflectionFunctionAbstract
PHP Manual