<?php
/**
* File: 生成4位的數(shù)字
* Author: heiyeluren
* Create: 2005-9-5 22:26
*/

/* 配置 */
$start_num = 100;
$end_num = 999;
$save_file = "./number.txt";

//生成從1000到9999的數(shù)字序列
for ($i=$start_num; $i<=$end_num; $i )
{
$nums[] = $i;
}

//把上面生成的數(shù)字序列寫入文件
$fp = fopen($save_file, "w") or die("Open $save_file failed");
fwrite($fp, implode("\r\n", $nums)) or die("Write $save_file failed");
unset($nums);
fclose($fp);

echo "Create $save_file succeed!";

?>

/* 配置 */
$key_sum = 1500; //CD-Key最大數(shù)量,防止重復(fù)值
$key_total = 1000; //最終需要的CD-Key數(shù)量
$limiter = "-"; //CD-Key每組數(shù)字之間的連接符
$save_file = "./cd_key.txt"; //保存CD-Key文件
$num_file = "./number.txt"; //序列數(shù)字文件
$file = file($num_file); //打開序列數(shù)文件
$start_num = 0; //最小隨機數(shù)
$end_num = count($file); //最大隨機數(shù)

/* 生成隨機數(shù)字串 */
$cdkey = array();
for ($i=0; $i<$key_sum; $i )
{
$key_str = $file[rand_num($start_num, $end_num)].$limiter.
$file[rand_num($start_num, $end_num)].$limiter.
$file[rand_num($start_num, $end_num)].$limiter.
$file[rand_num($start_num, $end_num)];
$cdkey[] = str_replace("\r\n", "", $key_str);
}

/* 過濾重復(fù)串并且提取最終需要的CD-Key數(shù)量 */
$cdkey = array_unique($cdkey);
$key_result = array();
for ($i=0; $i<$key_total; $i )
{
$key_result[] = $cdkey[$i];
}

/* 把最終的CD-Key寫入文件 */
$fp = fopen($save_file, "w ") or die("Open $save_file failed");
fwrite($fp, implode("\r\n", $key_result)) or die("Write $save_file failed");
unset($cdkey);
unset($$key_result);
fclose($fp);

echo "Create $key_total key succeed!";

/* 隨機函數(shù) */
function rand_num($start, $end)
{
return mt_rand($start, $end);
}

?>