Loto (random) number generator.

loto.php

#!/usr/bin/php
<?php
/**
 * Loto (random) number generator.
 * 
 * Script accepts 3 params.
 * First two are to determine the type of loto, for example 7 of 39, or 6 of 45.
 * Third parameter is the number of combinations.
 *
 * By default it 7 of 39 and one combination.
 *
 * Setup: chmod +x loto.php
 * Usage:
 * ./loto.php
 * ./loto.php 7 39 5
 * ./loto.php 6 45 10
 */

function loto($x, $y) {
    $loto = array();

    while (count($loto) < $x) {
        mt_srand();
        $n = mt_rand(1, $y);
        if (!in_array($n, $loto)) {
            $loto[] = $n;
        }
    }
    sort($loto);
    return $loto;
}

$x = 7; /* 7 of 39, the 7 part */
$y = 39; /* 7 of 39, the 39 part */
$c = 1; /* number of combinations */

if (!empty($argv[1]) && !empty($argv[2])) {
    $x = (int)$argv[1];
    $y = $argv[2];
}

if (!empty($argv[3])) {
    $c = (int)$argv[3];
}

if ($c > 1) {
    for ($i=1; $i<=$c; $i++) {
        echo implode(', ', loto($x, $y)); echo PHP_EOL;
    }
} else {
    echo implode(', ', loto($x, $y)); echo PHP_EOL;
}

echo 'Good luck :)'; echo PHP_EOL;

Hiiii.....I need help..... I want last three digit number (RNG)...I HAVE PERVIOUS NUMBERS IF ANYONE CAN HELP ME.........PLEASE...... Waiting for the response.......