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@ 2024-10-01T16:00:52Z

<?php

namespace Foo{
    class Bar
    {
        public static function testClass(): \Closure
        {
            return function(){};
        }
    }
    
    function testFunc(): \Closure
    {
        return function(){};
    }


    $closureFromGlobalScope = function(){};    
}

namespace {
    $closures = [
        'Anonymous function created in a class' => Foo\Bar::testClass(),
        'Anonymous function created in a function' => Foo\testFunc(),
        'Anonymous function created in a global scope' => $closureFromGlobalScope,
        'First class callable of a static method' => Foo\Bar::testClass(...),
        'First class callable of a function' => Foo\testFunc(...),
    ];
    
    foreach ($closures as $name => $closure) {
        $reflection = new ReflectionFunction($closure);
        echo <<<EOS
        {$name}:
          getName              {$reflection->getName()}
          getNamespaceName     {$reflection->getNamespaceName()}
          getClosureScopeClass {$reflection->getClosureScopeClass()?->getName()}
        EOS, "\n\n";
    }
}

Output for git.master_jit, git.master: Anonymous function created in a class: getName {closure:Foo\Bar::testClass():8} getNamespaceName getClosureScopeClass Foo\Bar Anonymous function created in a function: getName {closure:Foo\testFunc():14} getNamespaceName getClosureScopeClass Anonymous function created in a global scope: getName {closure:/in/srIno:18} getNamespaceName getClosureScopeClass First class callable of a static method: getName testClass getNamespaceName getClosureScopeClass Foo\Bar First class callable of a function: getName Foo\testFunc getNamespaceName Foo getClosureScopeClass

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Once feature-branches are merged or declined, they are no longer available. Their functionality (when merged) can be viewed from the main output page

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2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn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2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0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2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions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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