CODE EXAMPLE FOR PHP

assocititive multi array compare php

NOTE: the diff_array also removes all the duplicate values that match to the values in the second array:



<?php

    $array1 = array("a","b","c","a","a");

    $array2 = array("a");



    $diff = array_diff($array1,$array2);



    // yields: array("b","c") the duplicate "a" values are removed 

?>