How to upload .jar file in WordPress?

2 comments

1. If you don’t want to get your hands dirty and want to keep easy access to these settings, install a plugin that enables you to do this. For instance this plugin works well for me: https://wordpress.org/plugins/wp-add-mime-types/

   

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2. Rather than editing core files (which is always a bad idea), you should consider adding a filter by hooking into the mime_types filter:

   /**
    * Add JAR file type to list of allowed extensions 
    * 
    * @param array $types Default allowed mime types
    */
   function so23113552_custom_mime_types( $types ) {
   
       $types['jar'] = 'application/java-jar';
   
       return $types;
   }
   add_filter( 'mime_types', 'so23113552_custom_mime_types' );
   

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