fibo!

<?php
    // the Fibonacci numbers
    // see http://upload.wikimedia.org/math/7/6/f/76f99713cf111eb035d908228c351710.png

    function fibonacciNumbers()
    {
        $all_numbers = array(0,1);

        for($i=2;$i=$i;$i++)
        {
            $all_numbers[$i] = $all_numbers[$i-1] + $all_numbers[$i-2];
        }

        return($all_numbers);
    }
?>