Event Check-In System 🎟️

A production-ready event check-in system built with PHP, MySQL, and JavaScript, designed to handle thousands of tickets efficiently.

The system supports high-speed QR code scanning, manual code entry fallback, staff authentication, and admin reporting, making it reliable even in poor network or low-light conditions.

🚀 Key Features

• ⚡ Fast QR Code scanning (optimized for imperfect QR prints)
• ⌨️ Manual ticket code entry (offline / camera fallback)
• 🔐 Staff authentication & session management
• 👥 Multiple staff accounts with activity tracking
• 📊 Admin dashboard with exports & statistics
• 🕒 Prevents duplicate check-ins (same-day protection)
• 🗂️ CSV bulk ticket uploads (10,000+ codes supported)
• 📈 Optimized database queries & indexing
• 🧾 Audit trail: see who checked in each ticket

🛠️ Tech Stack

• PHP (PDO)
• MySQL
• JavaScript (HTML5 QR Code)
• Bootstrap 5
• DataTables (exportable tables)

🎯 Designed For

• Events & festivals
• Conferences
• Concerts
• Schools & exams
• Ticket-based access control

🔒 Security Notes

• Passwords hashed using password_hash
• Sessions protected against hijacking
• Server-side validation for all check-ins
• Duplicate check-ins safely prevented at database level

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This project is intentionally framework-free to remain portable, lightweight, and easy to deploy on shared hosting or VPS environments.