#47 – Adam Silverstein on the State of Images in WordPress
WP Tavern
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How WordPress Deals With Images?
When you upload your image, WordPress is going to create a series of sub-sized images. Those can be used later on the front end depending on your context. So we sort of pre-create these images when you upload that process uses one of two libraries on the back end that tie into your web server. One's called libgd, which is now built into PHP. And the other one's called image or people call it image magic. Both of those libraries are available in WordPress. We have built in image handling classes for them. You can also extend the image library to add your own image handling class but I'm not aware of specific implementations.
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