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set post thumbnail size - Is it possible to prevent users from uploading small images? - WordPress Development Stack Exchange
We will use the hook wp_handle_upload_prefilter.
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July 25, 2017 at 4:09:29 PM GMT+3 ·
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https://wordpress.stackexchange.com/questions/216905/is-it-possible-to-prevent-users-from-uploading-small-images/216924#216924
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