3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $a1=array("a"=>"red","b"=>"green","c"=>"blue","d"=>"yellow");$a2=array("a"=>"purple","b"=>"orange");array_splice($a1,0,2,$a2);print_r($a1);
based on PJP2R
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
Array ( [0] => purple [1] => orange [c] => blue [d] => yellow )