Create User Registration and Login using PHP Oops Concepts

Create Database and table

-- Database: `scholarship`
-- Table structure for table `students`
--
CREATE TABLE `students` (
  `id` int(11) NOT NULL PRIMARY KEY AUTO_INCREAMENT,
  `name` varchar(50) NOT NULL,
  `email` varchar(50) NOT NULL,
  `password` varchar(50) NOT NULL,
  `phone` varchar(50) NOT NULL,
  `registration_date` date NOT NULL
) ENGINE=InnoDB DEFAULT CHARSET=latin1;

Create Database Connection file using OOP Concepts

database.php

<?php
class Database{	
	protected $localhost = "localhost";
	protected $servername = "root";
	protected $password = "";
	protected $database = "scholarship";
	public $con;	
	
	public function connection(){
	    // Create connection
	    $this->con = new mysqli($this->localhost, $this->servername, $this->password, $this->database);
	    // Check connection
	    if ($this->con->connect_error) {
		die("Connection failed: " . $this->con->connect_error);
	    }
	    return $this->con;
	}
}
?>

Create User Registration or Sign Up For

index.php

<!DOCTYPE html>
<html lang="en">
<head>
  <title>Create User Registration and Login using PHP Oops Concepts</title>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.5.2/css/bootstrap.min.css">
</head>
<?php
include_once "class/students.php";
$studentObj = new Students();
$success = "";
$error = "";
if (isset($_POST['submit'])) {
	$newdata['name'] = $_POST['name'];
	$newdata['email'] = $_POST['email'];
	$newdata['password'] = md5($_POST['password']);
	$newdata['phone'] = $_POST['phone'];
	$newdata['registration_date'] = date('Y-m-d');
	if (!$studentObj->isUserPhoneNumberExists($newdata['phone'])) {
	    if (!$studentObj->isUserExist($newdata['email'])) {
	       if ($studentObj->registration($newdata)) {
                 $success = "Your Registration Successfully Please login";
	       } else {
		  $error = "Registration failed please try again!";
	      }
	    } else {
	        $error = "Email already exists! Please try again.";
	    }
	} else {
	    $error = "Phone No. already exists! Please try again.";
	}
}
?>
<body class="hold-transition register-page">
   <div class="register-box">
      <div class="register-logo">
         <a href=""><b>Student</b> OSM</a>
      </div>
      <?php
         if (!empty($error)) {
         	echo "<div class='alert alert-danger alert-dismissible'>
                     <button type='button' class='close' data-dismiss='alert'>×</button>$error
                  </div>";
         } elseif (!empty($success)) {
         	echo "<div class='alert alert-success alert-dismissible'>
                     <button type='button' class='close' data-dismiss='alert'>×</button>$success
                  </div>";
         }
      ?>
      <div class="card">
         <div class="card-body register-card-body">
            <p class="login-box-msg">Registration a new Student</p>
            <form action="" method="post">
               <div class="input-group mb-3">
                  <input type="text" name="name" class="form-control" placeholder="Full name" required="">
                  <div class="input-group-append">
                     <div class="input-group-text">
                        <span class="fa fa-user"></span>
                     </div>
                  </div>
               </div>
               <div class="input-group mb-3">
                  <input type="email" name="email" class="form-control" placeholder="Email" required="">
                  <div class="input-group-append">
                     <div class="input-group-text">
                        <span class="fa fa-envelope"></span>
                     </div>
                  </div>
               </div>
               <div class="input-group mb-3">
                  <input type="password" name="password" class="form-control" placeholder="Password" required="">
                  <div class="input-group-append">
                     <div class="input-group-text">
                        <span class="fa fa-lock"></span>
                     </div>
                  </div>
               </div>
               <div class="input-group mb-3">
                  <input type="text" name="phone" class="form-control" placeholder="Phone Number" required="" maxlength="10">
                  <div class="input-group-append">
                     <div class="input-group-text">
                        <span class="fa fa-phone"></span>
                     </div>
                  </div>
               </div>
               <div class="row">
                  <div class="col-8">
                     <a href="login.php" class="text-center">Already have an account?</a>
                  </div>
                  <div class="col-md-4">
                     <input type="submit" name="submit" class="btn btn-primary btn-block" value="Sign Up">
                  </div>
               </div>
            </form>
         </div>
      </div>
   </div>
 </body>
</html>

Output

Create User Registration and Login using PHP Oops Concepts

Create User Login or Signup Form

login.php

<!DOCTYPE html>
<html lang="en">
<head>
  <title>Create User Registration and Login using PHP Oops Concepts</title>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.5.2/css/bootstrap.min.css">
</head>
<?php  
  
  include_once "class/students.php";
  if(isset($_SESSION['id'])) {
      header("Location:home.php");
  }
  $studentObj = new Students();
  
  $success = "";
  $error = "";
  if (isset($_POST['submit'])) {
      $newdata['email'] = $_POST['email'];
      $newdata['password'] = $_POST['password'];
      
      if ($studentObj->login($newdata)) {
          if (!isset($_SESSION['id'])) {
              header("Location:student_profile.php");
          } else {  
              header("Location:home.php");
          }
      }else{
          $error = "Incorrect Email or Password";
      }
    }
?>
<body class="hold-transition login-page">
   <div class="login-box">
      <div class="login-logo">
         <a href=""><b>Student</b> OSM</a>
      </div>
      <?php 
      if (!empty($error)){
          echo "<div class='alert alert-danger alert-dismissible'>
                  <button type='button' class='close' data-dismiss='alert'>×</button>$error
              </div>";   
        }
      ?>
      <div class="card">
         <div class="card-body login-card-body">
            <p class="login-box-msg">Sign in to start your session</p>
            <form action="" method="post">
               <div class="input-group mb-3">
                  <input type="text" name="email" class="form-control" placeholder="Email" required="">
                  <div class="input-group-append">
                     <div class="input-group-text">
                        <span class="fa fa-envelope"></span>
                     </div>
                  </div>
               </div>
               <div class="input-group mb-3">
                  <input type="password" name="password" class="form-control" placeholder="Password" required="">
                  <div class="input-group-append">
                     <div class="input-group-text">
                        <span class="fa fa-lock"></span>
                     </div>
                  </div>
               </div>
               <div class="row">
                  <div class="col-8">
                     <div class="icheck-primary">
                        <a href="index.php" class="text-center">Don't have an account?</a>
                     </div>
                  </div>
                  <div class="col-4">
                     <input type="submit" name="submit" class="btn btn-primary btn-block" value="Sign In">
                  </div>
               </div>
            </form>
         </div>
      </div>
   </div>
  </body>
</html>

Output

Create User Registration and Login using PHP Oops Concepts

Create a Students class file for function like Registration, login, email and phone number availability

students.php

<?php
session_start();
include_once "database.php";

class Students {

	public $studentTable;
	public $dbObj;
	public $con;

	public function __construct() {
	    $this->studentTable = "students";
	    $this->dbObj = new Database();
	    $this->con = $this->dbObj->connection();
	}

	/* student registration method */
	public function registration() {

	$name = $_POST['name'];
	$email = $_POST['email'];
	$password = md5($_POST['password']);
	$phone = $_POST['phone'];
	$registr_date = date('Y-m-d');		

	$query ="INSERT INTO $this->studentTable (name, email, password, phone, registration_date)
		VALUES('$name', '$email', '$password', '$phone', '$registr_date')";
	if ($this->con->query($query)) {
	    return true;
	} else {
	    return false;
	    }
	}

	/* student login method */
	public function login() {
	    $email = $_POST['email'];
	    $password = md5($_POST['password']);

	    $query = "SELECT * FROM $this->studentTable WHERE email = '$email' && password = '$password'";
	    $result = $this->con->query($query);
	    while ($student_data = $result->fetch_assoc()) {
		$_SESSION['id'] = $student_data['id'];
		$_SESSION['name'] = $student_data['name'];
	    }
	if ($result->num_rows > 0) {
	    return true;
	} else {
	    return false;
	    }
	}

	/* check If email is exists */
	public function isUserExist($email) {
    	     $query = "SELECT * FROM $this->studentTable WHERE email ='$email'";
	     $result = $this->con->query($query);
	 if ($result->num_rows > 0) {
	    return true;
	 } else {
	    return false;
	    }
	}


	/*check if phone number is exists */

	public function isUserPhoneNumberExists($phone){
	    $query = "SELECT * FROM $this->studentTable WHERE phone = '$phone'";
	    $result = $this->con->query($query);
	if ($result->num_rows > 0) {
            return true;
	}else {
            return false;
	  }
		  
	}
			
}

$studentObj = new Students();

Create logout page file for logout.

logout.php

<?php
session_start();
session_destroy();
session_unset($_SESSION['usre_id']);
session_unset($_SESSION['name']);
header("Location:login.php");

?>

You can always support by sharing on social media or recommending my blog to your friends and colleagues.  If you have any suggestions / problems about this tutorial, please comment on the  form below.😊

2 Comments

Leave a Reply

Your email address will not be published. Required fields are marked *

  1. Usually I don’t learn post oon blogs, but І woulod ⅼike
    to say that tһіs wrіte-up very pressured me to take
    a look at and do sο! Ⲩoᥙr writing taste has Ьeen surprised mе.
    Thanks, very nice post.

  2. I think the admin of this website іs in fact working һard in support of һіs website,
    ɑѕ hеre every informɑtion is quality based data.