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@ 2014-05-13T09:14:37Z

<?php

class values implements \Iterator{
    private $_data = null; // array or object
    private $_keys = array();
    private $_key = false;
    public function __construct($data = null){
		if (null !== $data){
			$this->_data = $data;
		}
	}
    // ------------ \Iterator implementation
    public function current(){
        return $this->{$this->_key};
    }
    public function key(){
        return $this->_key;
    }
    public function next(){
        $this->_key = \next($this->_keys);
    }
    public function rewind(){
        $this->_keys = [];
        foreach ($this->_data as $k => $v){
            $this->_keys[] = $k;
        }
        $this->_key = \reset($this->_keys);
    }
    public function valid(){
        if (false === $this->_key){
            return false;
        }
        return isset($this->{$this->_key});
    }
}

$values = new values(new DateTime());

foreach($values as $k => $v) {
    var_dump($k, $v);
}

Output for git.master_jit, git.master, rfc.property-hooks: Deprecated: Return type of values::current() should either be compatible with Iterator::current(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/iRXke on line 13 Deprecated: Return type of values::next() should either be compatible with Iterator::next(): void, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/iRXke on line 19 Deprecated: Return type of values::key() should either be compatible with Iterator::key(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/iRXke on line 16 Deprecated: Return type of values::valid() should either be compatible with Iterator::valid(): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/iRXke on line 29 Deprecated: Return type of values::rewind() should either be compatible with Iterator::rewind(): void, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/iRXke on line 22

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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2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn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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