Rainbow - Image Filter PHP Script is a web-based image editing application built with PHP. It allows users to upload pictures and apply a selection of image filters through an online interface.

The application includes 13 image filters and supports Facebook sign-in, allowing users to connect their Facebook account and work with profile pictures.

After editing an image, users can download the resulting picture or share it through the available Facebook sharing functionality.

A configurable watermark option is also included, allowing the watermark functionality to be enabled or disabled according to the project setup.

The script is designed to be customizable and includes documentation to help with installation and configuration.

Rainbow can be useful as a starting point for developers building a simple online photo-filtering or image-editing website.

• 13 built-in image filters

• Image upload functionality

• Facebook sign-in

• Facebook profile picture editing

• Facebook sharing option

• Download edited images

• Enable or disable watermark functionality

• Customizable application

• Documented installation and configuration

• PHP-based web application

• PHP 5.6

• Web server capable of running PHP

• A domain or local server environment for deployment

• Configuration of the included PHP files before use