php数组问题

Question

有数组1和数组2，我想把数组1的值作为key，数组2的值作为value,存在数组3中，有什么方法吗？

Answer 1

<?php
$a1=array("a","b","c","d");
$a2=array("Cat","Dog","Horse","Cow");
print_r(array_combine($a1,$a2));
?>