3v4l.org

run code in 300+ PHP versions simultaneously

@ 2014-05-25T03:29:21Z

<?php
class ObjectKeyIterator extends IteratorIterator
{
    public function __construct(\Traversable $iterator)
    {
        parent::__construct($iterator);
    }

    public function key()
    {
        $key = parent::key();

        return (object)array('key' => $key); 
    }
}

/*foreach(new ObjectKeyIterator(new ArrayObject(array('test' => 'foo', 2,4, 'bo' => 24,2))) as $key => $value) {
	var_dump($key, $value);
}*/
 $iterator = new ObjectKeyIterator(new ArrayObject(array('test' => 'foo', 2,4, 'bo' => 24,2)));
        $iterator->rewind();

        while ($iterator->valid()) {
            $key = $iterator->key();
            if(is_int($key) || is_string($key)) {
                $array[$key] = $iterator->current();
            } else {
                $array[] = $iterator->current();
            }
            $iterator->next();
        }

Output for git.master, git.master_jit, rfc.property-hooks: Deprecated: Return type of ObjectKeyIterator::key() should either be compatible with IteratorIterator::key(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/Ir0KA on line 9

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2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn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2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0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2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions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

43.54 ms | 401 KiB | 8 Q