Update README

Author: jdecool

README.md

@@ -1,36 +1,40 @@
-# ================================
-# ImageWorkshop class
-# ================================
-
-[![Test status](https://secure.travis-ci.org/Sybio/ImageWorkshop.png?branch=master)](https://travis-ci.org/Sybio/ImageWorkshop)
-[![Latest Stable Version](https://poser.pugx.org/sybio/image-workshop/v/stable)](https://packagist.org/packages/sybio/image-workshop)
-[![Total Downloads](https://poser.pugx.org/sybio/image-workshop/downloads)](https://packagist.org/packages/sybio/image-workshop)
-[![Monthly Downloads](https://poser.pugx.org/sybio/image-workshop/d/monthly)](https://packagist.org/packages/sybio/image-workshop)
-[![License](https://poser.pugx.org/sybio/image-workshop/license)](https://packagist.org/packages/sybio/image-workshop)
-
-### Summary and features
-Really flexible and easy-to-use PHP class to work with images using the GD Library
-
-http://phpimageworkshop.com/
-
-### Installation
-
-The class is designed for PHP 5.3+, but it can work with older PHP versions... Check how to install the class here: http://phpimageworkshop.com/installation.html
-
-### Usage
-
-- Learn how to use the class in 5 minutes: http://phpimageworkshop.com/quickstart.html
-- The complete documentation: http://phpimageworkshop.com/documentation.html
-- Usefull tutorials: http://phpimageworkshop.com/tutorials.html
-- Changelog: [CHANGELOG.md](CHANGELOG.md)
-
-**What's new in the doc' ?**
-
-- Installation guide: http://phpimageworkshop.com/installation.html
-- Adding the flip documentation: http://phpimageworkshop.com/doc/25/flip-vertical-horizontal-mirror.html
-- Adding the opacity documentation which was omitted: http://phpimageworkshop.com/doc/24/opacity-transparency.html
-- Tutorial "Manage animated GIF with ImageWorkshop (and GiFFrameExtractor & GifCreator)": http://phpimageworkshop.com/tutorial/5/manage-animated-gif-with-imageworkshop.html
-
-### @todo
-- Adding a method to add easily borders to a layer (external, inside and middle border)
-- Check given hexa' color and remove # if exists.
+# ================================
+# ImageWorkshop class
+# ================================
+
+[![Test status](https://secure.travis-ci.org/Sybio/ImageWorkshop.png?branch=master)](https://travis-ci.org/Sybio/ImageWorkshop)
+[![Latest Stable Version](https://poser.pugx.org/sybio/image-workshop/v/stable)](https://packagist.org/packages/sybio/image-workshop)
+[![Total Downloads](https://poser.pugx.org/sybio/image-workshop/downloads)](https://packagist.org/packages/sybio/image-workshop)
+[![Monthly Downloads](https://poser.pugx.org/sybio/image-workshop/d/monthly)](https://packagist.org/packages/sybio/image-workshop)
+[![License](https://poser.pugx.org/sybio/image-workshop/license)](https://packagist.org/packages/sybio/image-workshop)
+
+### Summary and features
+Really flexible and easy-to-use PHP class to work with images using the GD Library
+
+http://phpimageworkshop.com/
+
+Current `master` branch correspond to the next major release (v3) which only support PHP 8.0+.
+
+### Installation
+
+The class is designed for PHP 8.0+... Check how to install the class here: http://phpimageworkshop.com/installation.html
+
+For older PHP versions support, install the [2.x](https://github.com/Sybio/ImageWorkshop/tree/2.x) version branch.
+
+### Usage
+
+- Learn how to use the class in 5 minutes: http://phpimageworkshop.com/quickstart.html
+- The complete documentation: http://phpimageworkshop.com/documentation.html
+- Usefull tutorials: http://phpimageworkshop.com/tutorials.html
+- Changelog: [CHANGELOG.md](CHANGELOG.md)
+
+**What's new in the doc' ?**
+
+- Installation guide: http://phpimageworkshop.com/installation.html
+- Adding the flip documentation: http://phpimageworkshop.com/doc/25/flip-vertical-horizontal-mirror.html
+- Adding the opacity documentation which was omitted: http://phpimageworkshop.com/doc/24/opacity-transparency.html
+- Tutorial "Manage animated GIF with ImageWorkshop (and GiFFrameExtractor & GifCreator)": http://phpimageworkshop.com/tutorial/5/manage-animated-gif-with-imageworkshop.html
+
+### @todo
+- Adding a method to add easily borders to a layer (external, inside and middle border)
+- Check given hexa' color and remove # if exists.