用這個可以來驗證用戶和生成隨機密碼--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) {
// 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); ?>
