php-json/registration.php at main · avijitdey/php-json · GitHub

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<!DOCTYPE html>
<html>
    <head>
        <title>Registration Form</title>
    </head>
    <body>
        <?php

            $firstname = $lastname = $gender = $email = $username = $password = $rec_email ="";
            $firstnameerr = $lastnameerr= $gendererr = $emailerr = $usernameerr = $passworderr = $rec_emailerr = $notavailable = "";

            if($_SERVER['REQUEST_METHOD'] == "POST") {

                if(empty($_POST['fname'])) {
                    $firstnameerr = "Please Fill up the firstname!";
                }

                else if(empty($_POST['lname'])) {
                    $lastnameerr = "Please Fill up the lastname!";

                }

                else if(empty($_POST['gender'])) {
                    $gendererr = "Please Fill up the gender!";

                }

                else if(empty($_POST['e-mail'])) {
                    $emailerr = "Please Fill up the email!";

                }

                else if(empty($_POST['uname'])) {
                    $usernameerr = "Please Fill up the username!";
                }

                else if(empty($_POST['pass'])) {
                    $passworderr = "Please Fill up the password!";
                }

                else if(empty($_POST['remail'])) {
                    $rec_emailerr = "Please Fill up the recovery email!";
                }

                else {

                    $firstname = $_POST['fname'];
                    $lastname = $_POST['lname'];
                    $gender = $_POST['gender'];
                    $email = $_POST['e-mail'];
                    $username = $_POST['uname'];
                    $password = $_POST['pass'];
                    $rec_email = $_POST['remail'];


                    $log_file = fopen("Login.txt", "r");

                    $data = fread($log_file, filesize("Login.txt"));

                    fclose($log_file);

                    $data_filter = explode("\n", $data);

                    for($i = 0; $i< count($data_filter)-1; $i++) {

                        $json_decode = json_decode($data_filter[$i], true);

                        if( $json_decode['username'] == $username )
                        {
                            $notavailable = "Username not available!";
                        }
                        else {
                            $details = array('firstname' => $firstname, 'lastname' => $lastname, 'gender' => $gender, 'email' => $email, 'username' => $username, 'password' => $password, 'rec_email' => $rec_email);
                            $details_encoded = json_encode($details);

                            $filepath = "Registration.txt";

                            $reg_file = fopen($filepath, "a");
                            fwrite($reg_file, $details_encoded . "\n");
                            fclose($reg_file);

                            $usertable = array('username' => $username, 'password' => $password);
                            $usertable_encoded = json_encode($usertable);

                            $log_filepath = "Login.txt";

                            $log_file = fopen($log_filepath, "a");
                            fwrite($log_file, $usertable_encoded . "\n");
                            fclose($log_file);

                            $_SESSION['message'] = "You have clicked on button successfully";

                            header('Location: login.php');
                            }
                        }
                    }
            }
        ?>

        <h1>Registration Form</h1>
        <form  action="<?php echo htmlspecialchars($_SERVER['PHP_SELF']) ?>" method="POST">

            <fieldset>
                <legend><b>Basic Information:</b></legend>

                <label for="firstname">First Name:</label>
                <input type="text" name="fname" id="firstname">
                <?php echo $firstnameerr; ?>

                <br>

                <label for="lastname"> LastName:</label>
                <input type="text" name="lname" id="lastname">
                <?php echo $lastnameerr; ?>

                <br>

                <label for="gender">Gender:  </label>
                <input type="radio" name="gender" id="male" value="male">
                <label for="gender">Male </label>
                <input type="radio" name="gender" id="female" value="female">
                <label for="gender">Female </label>
                <input type="radio" name="gender" id="other" value="other">
                <label for="gender">Other </label>
                <?php echo $gendererr; ?>

                <br>

                <label for="email">Email:</label>
                <input type="email" placeholder="avijitdey762@gmail.com" id="email" name="e-mail">
                <?php echo $emailerr; ?>

            </fieldset>

            <fieldset>
                <legend><b>Account Information:</b></legend>

                <label for="username">Username:</label>
                <input type="text" name="uname" id="username">
                <?php echo $usernameerr; echo $notavailable; ?>

                <br>

                <label for="parmanent_address">Password:</label>
                <input type="password" name="pass" id="password">
                <?php echo $passworderr; ?>

                <br>

                <label for="rec_email">Recovery email:</label>
                <input type="email" id="rec_email" name="remail">
                <?php echo $rec_emailerr; ?>

                </fieldset>

            <input type="submit" value="Submit" >
        </form>

    </body>
</html>