3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $arr = array(1,2,3,4,5,6,7,8,9,10,'a','b','c','d','e','f','g','h','i','j'); $tmp0 = $arr[0]; $tmp1 = $arr[10]; $n=10; for($i=0,$j=$n;$i<count($arr)-2;$i+=2,$j++){ echo(" i: ".$i); $arr[$i]=$tmp0; $tmp0 = $arr[$i+2]; echo(" tmp0: ".$tmp0); $arr[$i+1]=$tmp1; $tmp1 = $arr[$j+1]; echo(" tmp1: ".$tmp1); echo("\n"); printIt($arr); echo("\n"); } echo("\n"); function printIt($arr){ for($i=0;$i<count($arr);$i++){ echo($arr[$i]." "); } } ?>
Output for 4.3.0 - 5.6.28, hhvm-3.12.0, 7.0.0 - 7.1.0
i: 0 tmp0: 3 tmp1: b 1 a 3 4 5 6 7 8 9 10 a b c d e f g h i j i: 2 tmp0: 5 tmp1: c 1 a 3 b 5 6 7 8 9 10 a b c d e f g h i j i: 4 tmp0: 7 tmp1: d 1 a 3 b 5 c 7 8 9 10 a b c d e f g h i j i: 6 tmp0: 9 tmp1: e 1 a 3 b 5 c 7 d 9 10 a b c d e f g h i j i: 8 tmp0: a tmp1: f 1 a 3 b 5 c 7 d 9 e a b c d e f g h i j i: 10 tmp0: c tmp1: g 1 a 3 b 5 c 7 d 9 e a f c d e f g h i j i: 12 tmp0: e tmp1: h 1 a 3 b 5 c 7 d 9 e a f c g e f g h i j i: 14 tmp0: g tmp1: i 1 a 3 b 5 c 7 d 9 e a f c g e h g h i j i: 16 tmp0: i tmp1: j 1 a 3 b 5 c 7 d 9 e a f c g e h g i i j
Output for hhvm-3.10.0

Process exited with code 153.