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run code in 300+ PHP versions simultaneously
<?php $list = array( array(0 => "F"), array(1 => "E"), array(60 => "B"), array(20 => "C"), array(14 => "D"), array(100 => "A"), ); $tmp = []; for($x = 0; $x < sizeof($list); $x++) { for($i = 0; $i < sizeof($list) - $x - 1; $i++) { $nextVal = key($list[$i + 1]); $currentVal = key($list[$i]); if ($nextVal > $currentVal) { [$list[$i], $list[$i + 1]] = [$list[$i + 1], $list[$i]]; } } } echo "AFTER:\n"; var_dump($list);
Output for 7.4.0 - 7.4.33, 8.0.1 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.7
AFTER: array(6) { [0]=> array(1) { [100]=> string(1) "A" } [1]=> array(1) { [60]=> string(1) "B" } [2]=> array(1) { [20]=> string(1) "C" } [3]=> array(1) { [14]=> string(1) "D" } [4]=> array(1) { [1]=> string(1) "E" } [5]=> array(1) { [0]=> string(1) "F" } }
preferences:
119.11 ms | 403 KiB | 122 Q