There used to be an issue with WordPress – but that should have been fixed 5 years ago: Preserve PNG transparency/alpha during thumbnail creation If you’re using a newer WP installation (which I suppose) this issue might be rather a problem with the GD library of your server than with WordPress. And as far as I know … Read more
Even if the CDN images are cached “forever”, I would not recommend deleting them from your upload folder. You might later decide to deactivate JetPack because: you want to use another CDN and you only use JetPack for the Photon service. it somehow becomes incompatible to your later setup or because of possible temporary bugs … Read more
“despite the fact that it’s just not necessary” I think you’d be surprised by how unnecessary looking stuff has a tendency of becoming absolutely necessary on some poorly configured servers. Else yes, it can be overridden using filters. You’re looking into overriding the stuff in sanitize_file_name(), which is located in wp-includes/formatting.php.
If your webserver is Apache, you’ll need to tell apache what kind of mime type your file is, so Apache knows how to handle it. You should be able to use the “application/octet-stream” mime type in your .htaccess, in order for Apache to force a download. Learn more here: http://www.htaccess-guide.com/adding-mime-types/ (see the 3rd paragraph, starting … Read more
I know it’s been a while, but I wanted to offer a solution, if only for those who come across this question via Google. The issue is with the order of the parameters in the query string when you build the URL for the media uploader. My experience is that any parameters that come after … Read more
Absolutely, you can simply hook into upload_size_limit and set a maximum filesize: // Change the upload size to 1MB add_filter( ‘upload_size_limit’, ‘wpse_163236_change_upload_size’ ); function wpse_163236_change_upload_size() { return 1000 * 1024; }
So I dont know if its the best way but my problem was the if statement surrounding the require_once on the necessary files that contain the function. Commented out the IF statement and it did the trick. I’ll go have that coffee now 😉 //if (!function_exists(‘wp_generate_attachment_metadata’)){ require_once(ABSPATH . ‘wp-admin/includes/image.php’); require_once(ABSPATH . ‘wp-admin/includes/file.php’); require_once(ABSPATH . ‘wp-admin/includes/media.php’); … Read more
It seems that in the recent releases of WordPress, changes were made to the mime type handling to make sure that files have the extension they say they do: https://make.wordpress.org/core/2018/12/13/backwards-compatibility-breaks-in-5-0-1/ This poses an issue for SVG files without the tag in them. SVG is actually an XML, and WordPress is now requiring to have a … Read more
You are probably missing ImageMagick (PHP extension). Install it and the JPG artifacts will be gone.
Youre almost there. The func I show in this thread sets the ‘large’ as default, but also, in that thread, you’ll see There is a hidden options page in WordPress under yoursite.com/wp-admin/options.php On that endless list of undocumented options you can set a value for “image_default_link_type”. You may want to set it to “file” (without … Read more