3v4l.org

run code in 300+ PHP versions simultaneously

@ 2025-02-20T10:12:04Z

<?php

$array = [
    'product1' => [
        'id' => 1,
        'title' => 'p1',
        'extra' => [
            'date' => '1990-02-04 16:40:26'
        ]
    ],
    'product2' => [
        'id' => 2,
        'title' => 'p2',
        'extra' => [
            'date' => '1980-01-04 16:40:26'
        ]
    ],
    'product3' => [
        'id' => 3,
        'title' => 'p3',
        'extra' => [
            'date' => '2000-01-04 16:40:26'
        ]
    ],
    'product4' => [
        'id' => 4,
        'title' => 'p4',
        'extra' => [
            'date' => '1995-01-04 16:40:26'
        ]
    ],
    'product5' => [
        'id' => 5,
        'title' => 'p5',
        'extra' => [
            'date' => '1960-01-04 16:40:26'
        ]
    ]
];

$cache = $array;
uasort($array, fn($a, $b) => $b['extra']['date'] <=> $a['extra']['date']);
var_export(array_slice($array, 0, 2) + $cache);

Output for git.master, git.master_jit: array ( 'product3' => array ( 'id' => 3, 'title' => 'p3', 'extra' => array ( 'date' => '2000-01-04 16:40:26', ), ), 'product4' => array ( 'id' => 4, 'title' => 'p4', 'extra' => array ( 'date' => '1995-01-04 16:40:26', ), ), 'product1' => array ( 'id' => 1, 'title' => 'p1', 'extra' => array ( 'date' => '1990-02-04 16:40:26', ), ), 'product2' => array ( 'id' => 2, 'title' => 'p2', 'extra' => array ( 'date' => '1980-01-04 16:40:26', ), ), 'product5' => array ( 'id' => 5, 'title' => 'p5', 'extra' => array ( 'date' => '1960-01-04 16:40:26', ), ), )

This tab shows result from various feature-branches currently under review by the php developers. Contact me to have additional branches featured.

Active branches

Archived branches

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

2022-12-01 RFC: Property hooks - included in PHP 8.4
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2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn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2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0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2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions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

preferences:dark modelive previewkey bindings

59.53 ms | 908 KiB | 4 Q