php uuid

iteye_20379

于 2012-01-31 16:56:01 发布

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文章标签： php

本文链接：https://blog.youkuaiyun.com/iteye_20379/article/details/82272584


  function uuid($prefix = '')

  {

    $chars = md5(uniqid(mt_rand(), true));

    $uuid  = substr($chars,0,8) . '-';

    $uuid .= substr($chars,8,4) . '-';

    $uuid .= substr($chars,12,4) . '-';

    $uuid .= substr($chars,16,4) . '-';

    $uuid .= substr($chars,20,12);

    return $prefix . $uuid;

  }

links
[url]http://blog.longwin.com.tw/2008/09/uuid-generator-function-php-javascript-ruby-2008/[/url]
[url]http://www.ajaxray.com/blog/2008/02/06/php-uuid-generator-function/[/url][url]http://www.soulhuntre.com/2004/10/29/uuid-guid-in-native-php/[/url]