生成sessionid和随机密码的例子

时间： 2021-07-31 作者：daque

用这个不妨来考证用户和天生随机暗号--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); ?>

生成sessionid和随机密码的例子

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