3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr = array(1,2,3,4,5,6,7,8,9,10,'a','b','c','d','e','f','g','h','i','j'); $n=10; $tmp0 = $arr[0]; for($i=0,$j=$n;$i<$n-1;$i++,$j++){ $tmp1=$arr[$j]; printIt($arr); echo("\n"); $arr[$i]=$tmp0; $tmp0=$arr[$i+1]; $arr[$i]=$tmp1; } printIt($arr); function printIt($arr){ for($i=0;$i<count($arr);$i++){ echo($arr[$i]." "); } } ?>
Output for git.master, git.master_jit, rfc.property-hooks
1 2 3 4 5 6 7 8 9 10 a b c d e f g h i j a 2 3 4 5 6 7 8 9 10 a b c d e f g h i j a b 3 4 5 6 7 8 9 10 a b c d e f g h i j a b c 4 5 6 7 8 9 10 a b c d e f g h i j a b c d 5 6 7 8 9 10 a b c d e f g h i j a b c d e 6 7 8 9 10 a b c d e f g h i j a b c d e f 7 8 9 10 a b c d e f g h i j a b c d e f g 8 9 10 a b c d e f g h i j a b c d e f g h 9 10 a b c d e f g h i j a b c d e f g h i 10 a b c d e f g h i j

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