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I have a Wordpress blog that only acccepts featured images with the minimum size of 720 x 422 pixels. If I upload a image with smaller dimensions, it displays a placeholder (from placeholder.it) showing the minium sizes required.

I would like to know if it's possible to automatically scale up the featured image after upload it, even if it decreases the image quality, so the placeholder won't appear, but only the uploaded image.

Here's a example of the issue: http://www.vereverso.com.br/que-violencia-e-essa/

Thanks a lot!

Rúben Oliveira Nunes
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  • [SO-Answer](https://stackoverflow.com/questions/1855996/crop-image-in-php) and [GD](http://php.net/manual/en/book.image.php) and [wordpress](https://wordpress.stackexchange.com/questions/220574/wordpress-hook-that-gets-featured-image-from-direct-url) – Empty Brain Aug 02 '18 at 04:43

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write this in functions.php

set_post_thumbnail_size( 750, 422 );
johndoe
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