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run code in 300+ PHP versions simultaneously
<?php $number = 25; $columnCount = 4; for($i = 1, $loopCounter = 1; $i <= $number; $i = $i + $columnCount, $loopCounter++) { $range = range($i, $i+$columnCount - 1); if($loopCounter % 2 === 0) { $range = array_reverse($range); } foreach($range as $n) { echo str_pad($n, 2, ' ', STR_PAD_LEFT) . " "; } echo "\n"; }
preferences:
59.03 ms | 402 KiB | 5 Q