Home > php教程 > php手册 > php生成短域名函数,php生成域名函数

php生成短域名函数,php生成域名函数

WBOY
Release: 2016-06-13 09:10:01
Original
1510 people have browsed it

php生成短域名函数,php生成域名函数

php生成短域名函数

public function createRandCode($string) {
    $code = '';
    $hex_code = '1qaz2wsx3edc4rfv5t-gb6yhn7ujm8ik9ol0p_';
    $now = microtime(true) * 10000;
    $strlen = strlen($hex_code);
 
    $hash_code = hash('sha256', $string);
 
    // 这里会为编码定义一个随机的长度,长度取决于step
    $step = rand(8, 16);
    $count = ceil(strlen($hash_code) / $step);
 
    for($i = 0; $i < $count; $i++) {
      $start = $i * $step;
      $hex_num = substr($hash_code, $start, $step);
      $num = 0x3fffffff & (1 * '0x' . $hex_num);
      $n = $num % $strlen;
      $code .= $hex_code[$n];
    }
 
    return $code;
  }
Copy after login

以上所述就是本文给大家分享的代码的全部内容了,希望大家能够喜欢。

Related labels:
php
source:php.cn
Statement of this Website
The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn
Popular Recommendations
Popular Tutorials
More>
Latest Downloads
More>
Web Effects
Website Source Code
Website Materials
Front End Template