Wallpaper Admin Panel is a production-ready PHP script that provides a complete backend solution for managing wallpaper websites. Built with security best practices and a clean Bootstrap 5 interface, it offers full CRUD operations for wallpapers and categories, along with a public API endpoint for frontend integration.

Perfect For:

• Wallpaper download websites
• Photography portfolios
• Digital art galleries
• Stock image collections
• Mobile app backends
• Desktop wallpaper sites

Key Benefits:

• Save Development Time - Ready-to-use solution, no need to build from scratch
• Secure by Default - Built with security best practices
• API Ready - Connect any frontend or mobile app
• User-Friendly - Clean Bootstrap 5 interface works on all devices
• Easy Customization - Well-commented code, easy to modify

How It Works:

1. Login to secure admin panel
2. Add categories (Nature, City, Abstract, etc.)
3. Upload wallpapers with titles and category selection
4. Manage content through intuitive interface
5. Access wallpapers via public API for your website or app

Admin Authentication

• Secure session-based login system
• Password hashing with bcrypt
• Protected admin pages
• Logout functionality

Dashboard

• Real-time statistics
• Total wallpapers count
• Total categories count
• Quick management shortcuts

Wallpaper Management

• Add new wallpapers with image upload
• Edit existing wallpaper details
• Delete wallpapers (auto-removes image files)
• Image validation (JPG, JPEG, PNG only)
• File size limit (5MB max)
• Secure filename generation

Category Management

• Create new categories
• Delete categories
• View wallpaper count per category
• Unique category validation

Public REST API

• JSON endpoint: /api/wallpapers.php
• Returns latest wallpapers first
• Includes ID, title, category, full image URL
• Easy integration with any frontend

Security Features

• SQL injection protection (prepared statements)
• XSS prevention (output escaping)
• CSRF protection (session-based)
• Secure password hashing
• File upload validation
• Input sanitization

Responsive Design

• Bootstrap 5 framework
• Mobile-friendly interface
• Works on all devices
• Clean, modern design

Additional Features

• Clean folder structure
• Well-commented code
• Easy configuration
• Database setup script included
• Comprehensive documentation

• PHP Version: 7.4 or higher
• MySQL Version: 5.7 or higher
• Web Server: Apache/Nginx (any with PHP support)
• PHP Extensions:
  • PDO or MySQLi
  • FileInfo (for upload validation)
  • Session support
• Server Requirements:
  • Write permissions for upload folder
  • 5MB+ upload limit recommended
• Browsers: Chrome, Firefox, Safari, Edge (all modern browsers)

Installation Guide

Step 1: Upload Files

Upload all files to your web server using FTP or file manager.

Step 2: Create Database

1. Create a MySQL database (e.g., wallpaper_app)
2. Import setup.sql using phpMyAdmin or MySQL command line

Step 3: Configure Database

Edit config/db.php and update with your credentials:
php

define('DB_HOST', 'localhost');
define('DB_USER', 'your_username');
define('DB_PASS', 'your_password');
define('DB_NAME', 'wallpaper_app');

Step 4: Create Upload Folder

1. Create folder named upload in root directory
2. Set folder permissions to 755 (writable)

Step 5: Update Image URLs

Replace domain placeholders in code with your actual domain:

• In admin/wallpapers.php (image display)
• In api/wallpapers.php (API image URLs)

Step 6: Access Admin Panel

Navigate to <a href="http://yourdomain.com/admin/">http://yourdomain.com/admin/</a> and login with default credentials.

Default Login

• Username: admin
• Password: admin123

⚠️ Important: Change the default password immediately after first login!

How to Use

Managing Wallpapers

1. Go to Wallpapers section
2. Click "Add New Wallpaper"
3. Enter title, select category, upload image
4. Click Save

Managing Categories

1. Go to Categories section
2. Enter category name
3. Click "Add Category"

Using the API

• Endpoint: /api/wallpapers.php
• Method: GET
• Returns JSON array of all wallpapers (latest first)

Example JavaScript usage:
javascript

fetch('/api/wallpapers.php')
  .then(response => response.json())
  .then(data => {
    // Display wallpapers on your website
    console.log(data);
  });

Changing Admin Password

Generate new hash using:
php

<?php echo password_hash('new_password', PASSWORD_BCRYPT); ?>

Then update in database.