using array_intersect()

[dietch]

What I would like to do is return the number of times values in the first array, occur in the second array. But array_intersect() returns "Array". How do I achieve this?

[rIkLuNd]

Here is the example from the manual:

<?php

$array1 = array ("a" => "green", "red", "blue");
$array2 = array ("b" => "green", "yellow", "red");
$result = array_intersect ($array1, $array2);

echo "<pre>";
print_r( $result );
echo "</pre>";

?>