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Lesson 22 - Image library for working with images in PHP

Up until now, we've completely avoided image manipulation. However, many projects require us to process user images, e.g. his or her avatar, product images for an e-shop, and so on. We'll need to verify whether or not the file is an image, resize it to maintain its aspect ratio, add a watermark, and save the image under the desired format.

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In this tutorial, we'll program an Image library for image manipulation. We'll load JPEG, PNG, and GIF formats and convert them to maintain transparency.

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Article has been written for you by David Capka Hartinger
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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 university David learned IT at the Unicorn University - a prestigious college providing education on IT and economics.
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