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run code in 150+ php & hhvm versions
Bugs & Features
<?php $items=array("a", "b", "c", "d"); for ($j=1;$j<=1;$j++) { for ($i=0;$i<4*$j;$i++) { $item=&$items[$i]; //if (!isset($item)) $item=$j."_".$i; $item=$item.="x"; } } print_r($items); foreach ($items as $item) echo $item."\n"; print_r($items);
Output for 4.3.0 - 7.1.0
Array ( [0] => ax [1] => bx [2] => cx [3] => dx ) ax bx cx cx Array ( [0] => ax [1] => bx [2] => cx [3] => cx )