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run code in 200+ php & hhvm versions
Bugs & Features
<?php $n = 5; $k = 4; $a = array(1,2,3,4,5); $aSize = count($a);//5 print_r($a); //k left iteration //for($i=1; $i<=$k; $i++) { $first = $a[0]; for($j=1; $j<$aSize; $j++) { $a[$j-1]=$a[$j]; } $a[$aSize]=$first; } var_dump($a);
based on LRe5e
Output for 5.6.0 - 5.6.30, hhvm-3.15.4, 7.0.0 - 7.1.7
Array ( [0] => 1 [1] => 2 [2] => 3 [3] => 4 [4] => 5 ) array(6) { [0]=> int(2) [1]=> int(3) [2]=> int(4) [3]=> int(5) [4]=> int(5) [5]=> int(1) }