Lesson 23 - Finishing the Image library for PHP

PHP Libraries Finishing the Image library for PHP

In the previous lesson, Image library for working with images in PHP, we started working on an Image class which is used for image manipulation. In today's tutorial, we'll add the remaining functionality to it, i.e. scaling, cropping, watermarks and mime-type validation.

Scaling

We'll add several methods for scaling images. Let's start with a generic method for scaling image to any width and height:


 

...End of the preview...

Premium article

Premium article

ict.social is a large database made up of manuals and tutorials, whose main goal is to provide high-quality IT education to everyone. We started out in the Czech republic, where we display roughly a million articles per month and receive plenty of gratitude from our users. Thanks to our successful establishment, we are now bringing these articles to the rest of the world.

Although we are trying to keep our content free of charge, maintaining the site is a huge effort for everyone involved. Therefore, some content (exercises and more advanced material) costs network points. Don't worry, they're really cheap :)

Article description

Requested article covers this content:

In this tutorial, we'll finish the simple library for image manipulation in PHP. We'll add scaling, cropping, watermarks, and mime-based validation.
To access the article, you need 10 points
Currently, you have 0 points
You gain 10 points for adding an article to the site, or for $0.90

Before buying this article, you have to buy the previous one

Buying this article gives you unlimited access to it forever. You will learn some more and help us keep giving our site maintenance which helps you and others get better futures. It's a win-win.

This article is licensed :Premium, by buying this article, you agree with the terms of use.

You gain points by supporting our network. This is done by sending a helpful amount of money to support the site, or by creating content for the network.

You can get points immediately using:

Credit card SMS Wire transfer
Credit card SMS Wire transfer

 

Article has been written for you by David Capka
Avatar
The author is a programmer, who likes web technologies and being the lead/chief article writer at ICT.social. He shares his knowledge with the community and is always looking to improve. He believes that anyone can do what they set their mind to.
Unicorn College The author learned IT at the Unicorn College - a prestigious college providing education on IT and economics.
Activities (5)