.htpasswd 文件示例：user1:{SHA}kGPaD671VNU0OU5lqLiN/h6Q6ac=user2:{SHA}npMqPEX3kPQTo+x/+ZckHDrIcQI=user3:{SHA}q1Fh2LTUjjkncp11m0M9WUH5Zrw=复制代码代码如下:class Htpasswd {private $file = '';private $salt = 'AynlJ2H.74VEfI^BZElc-Vb6G0ezE9a55-Wj';private function write($pairs = array()) {$str = '';foreach ($pairs as $username => $password) {$str .= "$username:{SHA}$password\n";}file_put_contents($this -> file, $str);}private function read() {$pairs = array();$fh = fopen($this -> file, 'r');while (!feof($fh)) {$pair_str = str_replace("\n", '', fgets($fh));$pair_array = explode(':{SHA}', $pair_str);if (count($pair_array) == 2) {$pairs[$pair_array[0]] = $pair_array[1];}}return $pairs;}private function getHash($clear_password = '') {if (!empty($clear_password)) {return base64_encode(sha1($clear_password, true));} else {return false;}}public function __construct($file) {if (file_exists($file)) {$this -> file = $file;} else {die($file." doesn't exist.");return false;}}public function addUser($username = '', $clear_password = '') {if (!empty($username) && !empty($clear_password)) {$all = $this -> read();if (!array_key_exists($username, $all)) {$all[$username] = $this -> getHash($clear_password);$this -> write($all);}} else {return false;}}public function deleteUser($username = '') {$all = $this -> read();if (array_key_exists($username, $all)) {unset($all[$username]);$this -> write($all);} else {return false;}}public function doesUserExist($username = '') {$all = $this -> read();if (array_key_exists($username, $all)) {return true;} else {return false;}}public function getClearPassword($username) {return strtolower(substr(sha1($username.$this -> salt), 4, 12));}}使用方法复制代码代码如下:$passwdHandler = new Htpasswd('/home/myuser/.htpasswd');// Add a user with name 'user1' and password 'I prefer to use passphrase rather than password.' if it doesn't exist in .htpasswd.
$passwdHandler -> addUser('user1', 'I prefer to use passphrase rather than password.');// Delete the user 'user1' if it exists in .htpasswd.
$passwdHandler -> deleteUser('user1');// Check if user 'user1' exists in .htpasswd.
if ($passwdHandler -> doesUserExist('user1')) {// User 'user1' exists.
}