watermark library is a simple library used to add multiple types of watermarks to an image. It is built using a native PHP script, making it easy to use with any project.This library allows you to create customizable watermarks for any image, enabling you to change the color, scale, and transform the watermark.The library comes with two types of watermarks: 'text watermark' and 'logo watermark'.It also allows you to create a watermark with just one line of code, which is very convenient.You do not need to worry about HTTP headers or the Gdlmage class, as this library takes care of all of these.