This is more of a “best practices” than a question, but I was wondering, what to people typically remove when their plugin is removed? I have a plugin that does the following: registers custom post types registers custom taxonomies uses custom options Right now my plugin removes all of the custom options as they are … Read more
Is it possible to perform an action only if the theme is deleted (not deactivated) from the theme directory ? For example, I want to remove the theme settings from database after the theme is removed. So I want to run this when the theme is deleted: delete_option( ‘mysettings’ ); 5 Answers 5 As the … Read more
I have a plugin which creates some options in wp_options, but also creates custom post types and is used to populate that post type. Upon install it makes sense to remove the data in wp_options, but with regards to the populated post type, there should be an option for the user to choose whether he … Read more
Right now, I have this code: function mr_np_activate(){ // hook uninstall if ( function_exists(‘register_uninstall_hook’) ) register_uninstall_hook(__FILE__,’mr_np_uninstall’); } register_activation_hook(__FILE__,’mr_np_activate’); /** * Delete options * **/ function mr_np_uninstall() { delete_option(‘my_plugins_options’); } But when I remove my plugin, all my options are there. (I made another plugin just to show my options). How can I delete options when … Read more
I want to completely remove Python 2.7 from my Mac OS X 10.6.4. I managed to remove the entry from the PATH variable by reverting my .bash_profile. But I also want to remove all directories, files, symlinks, and entries that got installed by the Python 2.7 install package. I’ve got the install package from http://www.python.org/. … Read more
I have this code to remove orphaned posts after deleting custom post type. It works, but this code… global $wpdb; $wpdb->query( $wpdb->prepare( “DELETE a,b,c FROM wp_posts a LEFT JOIN wp_term_relationships b ON (a.ID=b.object_id) LEFT JOIN wp_postmeta c ON (a.ID=c.post_id) WHERE a.post_type=”attorneys”” ) ); …is throwing this error: PHP Notice: wpdb::prepare was called incorrectly. The query … Read more
While running ./configure –prefix=/mingw on a MinGW/MSYS system for a library I had previously run ‘./configure –prefix=/mingw && make && make install’ I came across this message: WARNING: A version of the Vamp plugin SDK is already installed. Expect worries and sorrows if you install a new version without removing the old one first. (Continuing) … Read more
What is a plugin lifetime within a deployed instance of WordPress? Namely: do plugins modify existing files or do they only use defined extension points within WordPress? are plugins allowed to modify database schema (e.g. add new columns)? how does WordPress make sure that plugin uninstall always leaves WP in original state? (Does it?) 3 … Read more
Is there a way to simply uninstall all unused (undeclared) dependencies from a Node.js project (ones that are no longer defined in my package.json.) When I update my application I like to have the unreferenced packages removed automatically. 3 Answers 3
I am writing my plugin’s uninstall.php file and would like it to delete any terms that were created in the plugin’s custom taxonomy. In the plugin’s uninstall.php file I am using this: // Delete all custom terms for this taxonomy $terms = get_terms(‘custom_taxonomy’); foreach ($terms as $term) { wp_delete_term( $term->ID, ‘custom_taxonomy’ ); } The problem … Read more
