Comprehensive Guide: Building an Online Voting System using PHP and MySQL
The Online Voting System is a web-based application that allows users to cast their votes online. The system is designed to provide a secure, efficient, and transparent way of conducting elections. The project is built using PHP and MySQL, and the source code is available on GitHub. Comprehensive Guide: Building an Online Voting System using
| Column Name | Data Type | Description | |-------------|-----------|-------------| | voter_id | INT(11) PRIMARY KEY AUTO_INCREMENT | Unique internal ID | | voter_card | VARCHAR(20) UNIQUE | Voter ID number (EPIC-like) | | full_name | VARCHAR(100) | Voter's full name | | email | VARCHAR(100) | For OTP and notifications | | password | VARCHAR(255) | Bcrypt hash | | constituency_id | INT(11) | Foreign key to constituencies | | has_voted | TINYINT(1) | 0 = No, 1 = Yes | | registered_at | TIMESTAMP | Auto-generated | | Column Name | Data Type | Description
: Tools to add, edit, or remove candidates with their photos and party details. System Architecture The project follows a standard Client-Server Architecture : | | Voter can vote multiple times |
| Problem | Likely Cause | Solution | |--------|--------------|----------| | "Cannot connect to database" | Wrong DB credentials in config | Check db.php against phpMyAdmin settings. | | Blank page after login | PHP error reporting off | Enable error_reporting(E_ALL); at the top of index.php . | | Voter can vote multiple times | Session not destroyed properly | Verify has_voted field is updated and checked. | | Admin dashboard not showing charts | Missing GD library in PHP | Uncomment extension=gd in php.ini and restart server. | | GitHub clone permission denied | SSH key not set | Use https:// URL instead of git@ . |