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@ 2014-09-28T14:07:05Z

<?php
function test(ReflectionFunctionAbstract $r) {
	echo 'isClosure(): '; var_dump($r->isClosure());

	if ($r instanceof ReflectionMethod) {
		$rc = $r->getDeclaringClass();
		$dc = $rc ? $rc->getName() : 'no declaring class';
	} else {
		$dc = 'not a ReflectionMethod';
	}
	echo 'getDeclaringClass(): ' . $dc;
	echo "\n";

	$csc = $r->getClosureScopeClass();
	echo 'getClosureScopeClass(): ' . ($csc ? $csc->getName() : 'no closure scope class');
	echo "\n";

	echo "\n";
}

class C {
	function f() {
		return function($p) {};
	}
}
$c = new C; $cl = $c->f();

// instantiate ReflectionFunction directly on closure
$rf = new ReflectionFunction($cl);
test($rf);

// get ReflectionFunction via one of the initial ReflectionFunction's ReflectionParameter objects
$rps = $rf->getParameters();
$rp = $rps[0];
test($rp->getDeclaringFunction());

Output for git.master, git.master_jit, rfc.property-hooks: isClosure(): bool(true) getDeclaringClass(): not a ReflectionMethod getClosureScopeClass(): C isClosure(): bool(true) getDeclaringClass(): C getClosureScopeClass(): C

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2020-03-21 RFC: Is_Literal - declined
2020-12-04 Enumerations - included in PHP 8.1
2018-06-15 Typed Properties v2 - implemented in PHP 7.4
2016-08-12 Object typehint - included in PHP 7.2
2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn
2016-04-19 Lexical scope support for anonymous classes - suspended
2016-04-17 Functional Interfaces - declined
2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0
2015-08-27 Callable Prototypes - declined
2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions
2015-02-18 Scalar type hints v5 - included in PHP 7
2015-02-14 Union Types - declined
2013-09-22 Anonymous classes - included in PHP 7

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