生成sessionid和随机密码的例子
发布时间:2020-03-21 06:14:12 所属栏目:PHP教程 来源:互联网
导读:生成sessionid和随机密码的例子
用这个可以来验证用户和生成随机密码--teaman <? //---------------------------------------------------- // Function GetSID() // // Parameters : $nSize number of caracters, default 24 // Return value : 24 caracters string // // Description : This function returns a random string // of 24 caracters that can be used to identify users // on your web site in a more secure way. You can also // use this function to generate passwords. //---------------------------------------------------- function GetSID ($nSize=24) { // Randomize mt_srand ((double) microtime() * 1000000); for ($i=1; $i<=$nSize; $i++) { // if you wish to add numbers in your string, // uncomment the two lines that are commented // in the if statement $nRandom = mt_rand(1,30); if ($nRandom <= 10) { // Uppercase letters $sessionID .= chr(mt_rand(65,90)); // } elseif ($nRandom <= 20) { // $sessionID .= mt_rand(0,9); } else { // Lowercase letters $sessionID .= chr(mt_rand(97,122)); } } return $sessionID; } // Test the function echo GetSID(16); ?> (编辑:焦作站长网) 【声明】本站内容均来自网络,其相关言论仅代表作者个人观点,不代表本站立场。若无意侵犯到您的权利,请及时与联系站长删除相关内容! |