Restrict Certain File Mime Types in WordPress

Category: Common Questions

I recently heard from a client saying their blog was loading very slowly. The issue was caused from a high resolution image in .tiff format which is generally used for print. In order to block these file types add the following plugin to your mu-plugins folder. Source <?php /* prevent uploading of .tif files. https://wordpress.stackexchange.com/questions/44777/upload-mimes-filter-has-no-effect […]

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