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<html>
  <a href="/">
    <button>
    Home
    </button>
  </a>
  <br>
  Login:
  <br>
  <br>
  <form method="POST">
    Username
    <br>
    <input placeholder="Username" type="text" name="Username">
    <br>
    <br>
    Password
    <br>
    <input placeholder="Password" type="password" name="Password">
    <br>
    <br>
    <button> Login </button>
  </form>
  <?php
    $pass_detect = False;
    $user["username"] = $_POST["Username"];
    $user["password"] = $_POST["Password"];
    if (!empty($user["username"]) and !empty($user["password"])) {
      if(strpos(file_get_contents("secure/users.txt"),$user["username"]) !== false) {
          $search = $user["username"];
          $lines = file('secure/users.txt');
          $line_number = false;
          while (list($key, $line) = each($lines) and !$line_number) {
           $line_number = (strpos($line, $search) !== FALSE) ? $key + 1 : $line_number;
            }
          $line_number = $line_number-1;
          $lines = file('secure/pass.txt');
          $pass_detect = $lines[$line_number];
        if ($pass_detect == $user["password"]) {
          echo "Login Successfull!";
        } else {
          echo "Invalid Password!";
        }
        
    } else {
      echo "Invalid account";
    }
    } else {
      echo "Username or Password is empty!";
    }
  ?>
<br>
  <br>
  Don't have an account?
  <br>
  Join the development team.
  <br>
  <a href="request-dev.php">
  <button>
    Sign up
  </button>
</a>
</html>

On line 39, I’m detecting 2 values, and even though they’re the same, it still outputs "false". I also tried it with "===", however it still outputs the same result. I’m curious as to why those 2 values do not match, even though when I echoed them, they outputed the same value.

I was expecting the if satement, on line 39, to output "true"!

2

Answers


  1. Chosen as BEST ANSWER

    $pass_detect = trim($pass_detect); Turns out that $pass_detect had an unnecessary space in it. Thanks to: @aynber and @Arleigh Hix for helping me answer my question! -- Stack overflow says that I can accept my answer in 2 days.


  2. switch ($var) {
    case "abc":
    case "def":
    case "hij":
    echo "yes";
    break;
    default:
    echo "no";
    }

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