Replace three arrays - the last array ($a3) will overwrite the previous ones ($a1 and $a2) in PHP

Description

The following code shows how to replace three arrays - the last array ($a3) will overwrite the previous ones ($a1 and $a2).

Example

//from  www.  j a va  2s .c  om
<?php
    $a1=array("red","green");
    $a2=array("blue","yellow");
    $a3=array("orange","Pink");
    print_r(array_replace($a1,$a2,$a3));
?>

The code above generates the following result.