Hook into WordPress image upload Ask | WordPress.org

statuszilla
(@statuszilla)

6 years, 11 months ago

For my WordPress website Happy Birthday Status I want to generate programmatically and automatically an extra photo size while a user uploads a picture. I want this photo also to appear in the media library.

I wrote a little side plugin which I activate to hook into the upload action. My question is, which wp upload action I should hook into to generate this extra size of the uploaded image.

Example of getting the current upload and write the extra image entry are welcome.

Thanks!

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catacaustic
(@catacaustic)

6 years, 11 months ago

You shouldn’t need to generate a separate image. If you set up a new image size it will be attached with the existing image, and available anywhere you need it. It’s the most efficient way to do it because WordPress will create all of the associated image sizes for every seperate image that’s uploaded or saved.

https://developer.wordpress.org/reference/functions/add_image_size/

However if you really do need to create a completely new image, this is the function to do it (note that this doesn’t include anything to copy the image).

https://codex.wordpress.org/Function_Reference/wp_insert_attachment

Viewing 1 replies (of 1 total)

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In: Fixing WordPress
1 reply
2 participants
Last reply from: catacaustic
Last activity: 6 years, 11 months ago
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