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@ 2015-04-15T22:25:59Z

<?php
    
        $matchesMatches =
            function ($matches) 
            {
               
                //$m = 1; 
                //yield $m;
                // could put as a `for` so it is more optimized, but for now, that is premature optimization
                foreach ($matches as $match) {
                    var_dump($match);
                    // yeild $m;                
                    for ($i = 1; $i <= 3; $i++) {
                        // Note that $i is preserved between yields.
                        yield $i;
                    }
                }
            };
            
            $matches = [1,2, 3];
            $matches = [1 => array('a', 'b'), 2 => array('c', 'd'), 3 => array('e', 'f')];
            foreach ($matchesMatches($matches) as $m) {
                var_dump($m);
            }

Output for git.master, git.master_jit, rfc.property-hooks: array(2) { [0]=> string(1) "a" [1]=> string(1) "b" } int(1) int(2) int(3) array(2) { [0]=> string(1) "c" [1]=> string(1) "d" } int(1) int(2) int(3) array(2) { [0]=> string(1) "e" [1]=> string(1) "f" } int(1) int(2) int(3)

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2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn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2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0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2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions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