3v4l.org

run code in 300+ PHP versions simultaneously

@ 2014-05-07T03:56:57Z

<?php

class MyStuff extends ArrayObject {
  function offsetGet($offset) {
    echo "Called";
    return parent::offsetGet($offset);
  }
}

$array = array(
  'foo' => 42,
  'baz' => null, 
);

$array_object = new MyStuff($array);

// existing key, non-null value:
var_dump(isset($array['foo'])); //true
var_dump(empty($array['foo'])); //false

var_dump(isset($array_object['foo'])); //true
var_dump(empty($array_object['foo'])); //false


// non-existing key:
var_dump(isset($array['bar'])); //false
var_dump(empty($array['bar'])); //true

var_dump(isset($array_object['bar'])); //true
var_dump(empty($array_object['bar'])); //false

// key where value is null:
var_dump(isset($array['baz'])); //false
var_dump(empty($array['baz'])); //true

var_dump(isset($array_object['baz'])); //true
var_dump(empty($array_object['baz'])); //false

Output for git.master, git.master_jit, rfc.property-hooks: Deprecated: Return type of MyStuff::offsetGet($offset) should either be compatible with ArrayObject::offsetGet(mixed $key): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/rU77c on line 4 bool(true) bool(false) bool(true) Calledbool(false) bool(false) bool(true) bool(false) bool(true) bool(false) bool(true) bool(false) Calledbool(true)

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

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2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn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2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0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2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions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

42.34 ms | 402 KiB | 8 Q