Onlinevoting System Project In Php And Mysql Source Code Github Portable !full! Jun 2026

For college/society polls – yes. For government elections – no (needs advanced security & auditing).

CREATE TABLE votes ( id BIGINT AUTO_INCREMENT PRIMARY KEY, election_id INT NOT NULL, candidate_id INT NOT NULL, user_id INT NULL, created_at DATETIME DEFAULT CURRENT_TIMESTAMP, FOREIGN KEY (election_id) REFERENCES elections(id) ON DELETE CASCADE, FOREIGN KEY (candidate_id) REFERENCES candidates(id) ON DELETE CASCADE, FOREIGN KEY (user_id) REFERENCES users(id) ON DELETE SET NULL ) ENGINE=InnoDB; For college/society polls – yes

$stmt = $conn->prepare("INSERT INTO votes (voter_id, election_id, candidate_id) VALUES (?, ?, ?)"); $stmt->bind_param("iii", $_SESSION['user_id'], $election_id, $candidate_id); $stmt->execute(); election_id INT NOT NULL