php array_diff使用实例i

<?php

$array1 = array('OH','CA','NY','HI','CT');
$array2 = array('OH','CA','HI','NY','IA');
$array3 = array('TX','MD','NE','OH','HI');
$diff = array_diff($array1, $array2, $array3);
print_r($intersection);

?>