Replace the values of the first array ($a1) with the values from the second array ($a2) in PHP

Description

The following code shows how to replace the values of the first array ($a1) with the values from the second array ($a2).

Example

//from  w w w.  j  a  v  a  2 s  .com
<?php
    $a1=array("red","green");
    $a2=array("blue","yellow");
    print_r(array_replace($a1,$a2));
?>

The code above generates the following result.