Assuming that you are using the WordPress native Media uploader then you can use the upload_mimes filter hook to add or remove allowed file types, for example: function custom_myme_types($mime_types){ //Adding avi extension $mime_types[‘avi’] = ‘video/avi’; //Removing the pdf extension unset($mime_types[‘pdf’]); return $mime_types; } add_filter(‘upload_mimes’, ‘custom_myme_types’, 1, 1); You can see that to add a file … Read more
global $wpdb; $image_src = wp_upload_dir()[‘baseurl’] . “https://wordpress.stackexchange.com/” . _wp_relative_upload_path( $filename ); $query = “SELECT COUNT(*) FROM {$wpdb->posts} WHERE guid=’$image_src'”; $count = intval($wpdb->get_var($query)); You can use this at the top of your code. Then check the value of $count. If it’s 0, then you can continue adding the attachment
From this post at wordpress.org/support, the user Chrystl points out: If don’t need to translate your media titles, uncheck this option: In Languages > Settings tab > Media: “Activate languages and translations for media”. And you will access to your entire library by clicking on “Add media” and “Set featured image”. And that indeed did … Read more
A majority of the answers covered how to stop creating future default image sizes but this doesnt account for creating any custom sizes in your theme but here is another solution to add to functions.php: function wpse_240765_unset_images( $sizes ){ unset( $sizes[ ‘thumbnail’ ]); unset( $sizes[ ‘medium’ ]); unset( $sizes[ ‘medium_large’ ] ); unset( $sizes[ ‘large’ … Read more
Why not just use get_option(‘upload_path’) after your switch_to_blog( $blog_ID );? Does that do it?
I don’t think there is. You will have to use some local (browser-based) Javascript code to attach a function to the on-click event of the button. (Not a Javascript expert, but perhaps this will point you in a direction of investigation.)
Philipp, anything is possible if you set your mind to it. You can solve your issue by extending the WordPress image editor class. Note I’m using WordPress 3.7 – I haven’t checked any of the below code in earlier versions and in the latest 3.8 release. Image Editor basics WordPress has two built in classes … Read more
In your handler, if you set ‘error’, the error message will be displayed and will cancel the upload add_filter( ‘wp_handle_upload_prefilter’, ‘custom_upload_filter’ ); function custom_upload_filter( $file ) { $image_info = getimagesize( $file[‘tmp_name’] ); $image_width = $image_info[0]; $image_height = $image_info[1]; if ( $image_with !== 800 || $image_height !== 600 ) { $file[‘error’] = __( ‘Images must be … Read more
I think the only solution you have at the moment is to disable all intermediate image sizes: add_filter( ‘intermediate_image_sizes’, ‘__return_empty_array’, 99 ); And then manually generate them, depending on the post type, by hooking into ‘wp_generate_attachment_metadata’, where you do have access to the attachment id (and therefore to it’s parent post): function do_your_stuff( $data, $attachment_id … Read more
If I check this, what will happen to the existing images in the uploads directory (will they be re-organized?) No. The old structure is preserved and new files are added to the chosen new structure If not, can someone recommend a way/plugin to refile them in the new structure? I’d like to tidy up. The … Read more