System Project In Php And Mysql Source Code Github Link | Onlinevoting

For Students / Learning: These GitHub projects are highly recommended for learning web development. They demonstrate how to handle relational data (Voters <-> Candidates <-> Votes) and how to manage user sessions.

For Production / Real World: These projects are unsafe.

Verdict: A standard "Online Voting System in PHP and MySQL" from GitHub provides a solid foundation for a web application project but requires significant security hardening before it can be trusted with democratic processes.

The system follows a three-tier architecture: a front-end interface built with HTML, CSS, and Bootstrap; a back-end logic layer using PHP; and a MySQL database for persistent data storage. Key features include:

Here’s how they structured the MySQL database (name: voting_system): For Students / Learning: These GitHub projects are

-- Table: admins
CREATE TABLE admins (
    id INT AUTO_INCREMENT PRIMARY KEY,
    username VARCHAR(50) UNIQUE,
    password VARCHAR(255) -- hashed
);
-- Table: elections
CREATE TABLE elections (
id INT AUTO_INCREMENT PRIMARY KEY,
title VARCHAR(100),
start_date DATETIME,
end_date DATETIME,
status ENUM('upcoming', 'active', 'closed') DEFAULT 'upcoming'
);
-- Table: candidates
CREATE TABLE candidates (
id INT AUTO_INCREMENT PRIMARY KEY,
election_id INT,
name VARCHAR(100),
party VARCHAR(100),
symbol VARCHAR(255), -- image path
FOREIGN KEY (election_id) REFERENCES elections(id)
);
-- Table: voters
CREATE TABLE voters (
id INT AUTO_INCREMENT PRIMARY KEY,
voter_id VARCHAR(20) UNIQUE,
name VARCHAR(100),
email VARCHAR(100),
password VARCHAR(255),
has_voted BOOLEAN DEFAULT FALSE,
election_id INT,
FOREIGN KEY (election_id) REFERENCES elections(id)
);
-- Table: votes
CREATE TABLE votes (
id INT AUTO_INCREMENT PRIMARY KEY,
voter_id VARCHAR(20),
candidate_id INT,
election_id INT,
voted_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
UNIQUE KEY (voter_id, election_id) -- prevents double voting
);
 Verdict: A standard "Online Voting System in PHP

---

online-voting-system/
│
├── config/
│   └── database.php
├── css/
│   └── style.css
├── includes/
│   ├── header.php
│   ├── footer.php
│   └── auth.php
├── admin/
│   ├── dashboard.php
│   ├── add_election.php
│   ├── add_candidate.php
│   └── results.php
├── voter/
│   ├── login.php
│   ├── register.php
│   ├── vote.php
│   └── logout.php
├── sql/
│   └── voting_system.sql
├── index.php
├── results.php
└── README.md

The MySQL database consists of four primary tables:

Relationships are maintained using foreign keys, and indexes optimize query performance during vote tallying.

session_start();
require_once 'config/db.php';
if ($_SERVER['REQUEST_METHOD'] == 'POST') 
$username = mysqli_real_escape_string($conn, $_POST['username']);
$password = $_POST['password']; reduces manual counting efforts
$query = "SELECT * FROM users WHERE username='$username' AND status=1";
$result = mysqli_query($conn, $query);
if (mysqli_num_rows($result) == 1) 
    $row = mysqli_fetch_assoc($result);
    if (password_verify($password, $row['password'])) 
        $_SESSION['user_id'] = $row['id'];
        $_SESSION['role'] = $row['role'];
        header('Location: dashboard.php');
     else 
        $error = "Invalid credentials!";
else 
    $error = "Account not found or inactive!";

The Online Voting System typically includes two main interfaces:

In the digital age, the traditional paper-based voting process is often slow, resource-intensive, and prone to errors. An Online Voting System (also known as an e-Voting System) offers a secure, efficient, and user-friendly alternative. It allows authorized users to cast their votes from anywhere, reduces manual counting efforts, and provides instant, accurate results.

This article provides a complete walkthrough of developing an online voting system using PHP and MySQL. By the end, you will understand the core modules, database design, security considerations, and where to download a fully functional source code from GitHub.