main login page // dashboard.php -> employee/admin dashboard // calculate.php -> tax calculation logic // save.php -> save result to DB // generate_pdf.php -> download PDF payslip // db.php -> database connection // auth.php -> login handling // To keep this message short, let's start with folder structure and db setup /* --- 📁 paye_system │ ├── 📄 index.php --> Login Page ├── 📄 dashboard.php --> View results (employee/admin) ├── 📄 calculate.php --> PAYE calculation logic ├── 📄 save.php --> Save tax result ├── 📄 generate_pdf.php --> Generate PDF payslip ├── 📄 db.php --> DB connection ├── 📄 auth.php --> Login/Register logic └── 📁 assets/ ├── 📄 style.css --> Custom styles └── 📄 bootstrap.min.css --> Bootstrap 5 */ // MySQL setup script // Run this in your phpMyAdmin or MySQL CLI /* CREATE DATABASE paye_db; USE paye_db; CREATE TABLE users ( id INT AUTO_INCREMENT PRIMARY KEY, full_name VARCHAR(255), email VARCHAR(255) UNIQUE, password VARCHAR(255), role ENUM('admin','employee') DEFAULT 'employee' ); CREATE TABLE payee_records ( id INT AUTO_INCREMENT PRIMARY KEY, user_id INT, gross_salary DECIMAL(12,2), pension DECIMAL(12,2), nhf DECIMAL(12,2), relief DECIMAL(12,2), taxable_income DECIMAL(12,2), paye_annual DECIMAL(12,2), paye_monthly DECIMAL(12,2), created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP, FOREIGN KEY (user_id) REFERENCES users(id) ); */ // Ready to proceed with code for index.php (login page)?