Beginner PHP Tutorial - 144-147 - Registration Form Part 1-4

<?php
require 'core.inc.php';
require 'connect.inc.php';

if (!loggedin()) {
 
 if  (isset($_POST['username']) && isset($_POST['password']) &&   isset($_POST['password_again']) &&   isset($_POST['firstname']) &&   isset($_POST['surname'])) {
     $username =   $_POST['username'];
     $password =   $_POST['password'];
     $password_again =   $_POST['password_again'];
     $password_hash = md5($password);
     $firstname =   $_POST['firstname'];
     $surname =   $_POST['surname'];
     
     if (!empty($username)&& !empty($password)&& !empty($password_again)&& !empty($firstname)&& !empty($surname)) {
       if ($password !=$password_again)  {
        echo 'Password do not macth.';
       }else  {
        // start regisration 
        
        $query = "SELECT  `username` FROM `users` WHERE `username` ='$username'  ";
        $query_run = mysql_query($query);

if (mysql_num_rows($query_run)==1) {
          echo 'The username ' .$username  .'already exists.';
        }   else {

$query ="INSERT INTO `users` VALUES ('','".mysql_real_escape_string($username)."','".mysql_real_escape_string($password_hash)."','".mysql_real_escape_string($firstname)."','".mysql_real_escape_string($surname)."') ";
            if ($query_run = mysql_query($query))  {
              header('Location: register_success.php');
            } else  {
              echo 'Sory, we could not register you at this time, try again later.';
            }

}

}
     } else   {
      echo 'All fields are require.';

}
 }
?>
<form action "register.php" method ="POST">
Username:<br><input type ="text" name ="username" value = " <?php echo $username; ?>"><br><br>
Password:<br><input type ="password" name ="password"><br><br>
Password again:<br><input type ="password" name ="password_again"><br><br>
Firstname:<br><input type ="text" name ="firstname" value = "<?php $firstname; ?>"><br><br>
Surname:<br><input type ="text" name ="surname" value = " <?php echo $surname; ?>"><br><br>
<input type = "submit" value = "Register">

</form>
<?php

} else if(loggedin()) {
  echo 'you are already registered and logged in.';
}
?>

register_success.php

you are registered.

8 thg 10, 2015

Beginner PHP Tutorial - 144-147 - Registration Form Part 1-4

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