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($a1,0,2);print_r($a1);
based on CpEEY
Output for 4.3.0 - 7.1.0
Array ( [c] => blue [d] => yellow )