The first thing you should do is . Thus, when you upload a news item to the database, you can also upload a file that can be used as an image.
Then, once the image is uploaded, you can process it using the php image functions, which are used by the GD libraries to process and edit images with the web server itself.
They only have a couple of problems: On the one hand, you have to know that image processing consumes server resources, so if your site has a lot of loads or image processing, you would have to be careful that it does not saturate. On the other hand, processing the image directly with PHP does not give as much image quality as editing it with a Photoshop-like program.
At .com we have a manual dedicated to where you will see the properties and functionalities of this library of functions for image processing.
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