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Closed 12 years ago.

我正在尝试创建一个密码检查脚本。我已经检查了电子邮件( 不允许字符) :

  public function checkEmail($email)
  {
    if (filter_var($email, FILTER_VALIDATE_EMAIL))
      return true;
    else
      return false;   
  }

所以我在寻找一个密码验证功能, 检查密码至少有一个字母数字字符, 一个数字字符, 至少有8个字符, 并且还提供错误信息。

Answer 1

public function checkPassword($pwd, &$errors) {
    $errors_init = $errors;

    if (strlen($pwd) < 8) {
        $errors[] = "Password too short!";
    }

    if (!preg_match("#[0-9]+#", $pwd)) {
        $errors[] = "Password must include at least one number!";
    }

    if (!preg_match("#[a-zA-Z]+#", $pwd)) {
        $errors[] = "Password must include at least one letter!";
    }     

    return ($errors == $errors_init);
}

经编辑的版本:http://www.cafewebmaster.com/check-password-strength-secity-php-and-regex

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