3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = array('a', 'b', 'c'); /*foreach($a as $k=>$v){ if($k==1) unset($a[$k]); echo $k.' => '.$v.' ('.$a[$k].')'.PHP_EOL; }*/ for($k=count($a); $k>=0; $k--){ if($k==1) unset($a[$k]); echo $k.' ('.$a[$k].')'.PHP_EOL; } print_r($a);

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41.72 ms | 402 KiB | 5 Q