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<!DOCTYPE html>
<html>
<body>
​
<?php
$cars=array
    (
    "Volvo"=>array
    (
    "XC60",
    "XC90"
    ),
    "BMW"=>array
    (
    "X3",
    "X5"
    ),
    "Toyota"=>array
    (
    "Highlander"
    )
    );
​
echo "Normal count: " . sizeof($cars)."<br>";
echo "Recursive count: " . sizeof($cars,1);
?>
​
</body>
</html>
​
Normal count: 3
Recursive count: 8