There are still very few WP plugins/themes that are being developed Composer-first. You can take a look at Laps case study (one of mine) for practical example. Essentially if you plan for plugin to be publicly distributed you need to take care of both cases – running it as part of whole-site Composer stack and … Read more
WordPress way (recommended): In your plugin, use the WordPress theme_file_path filter hook to change the file from the plugin. Use the following CODE in your plugin: add_filter( ‘theme_file_path’, ‘wpse_258026_modify_theme_include_file’, 20, 2 ); function wpse_258026_modify_theme_include_file( $path, $file=”” ) { if( ‘includes/example-file.php’ === $file ) { // change path here as required return plugin_dir_path( __FILE__ ) . … Read more
Just call this function in the init action. This action is fired for both frontend and backend. So it should look like this: add_action( ‘init’, ‘wpse4378_add_new_image_size’ ); function wpse4378_add_new_image_size() { add_image_size( ‘wp_small’, 60, 75, true ); //mobile }
Neither. register_activation_hook( __FILE__, ‘trigger_me’ ); function trigger_me() { if ( !wp_next_scheduled( ‘my_plugin_cron’ ) ) { wp_schedule_event(time(), ‘hourly’, ‘my_plugin_cron’); } } Why parse code on every request when you don’t need to?
The description on top of the page you have linked gives an explanation: Create a new file, wp-admin/includes/noop.php, which loads all of the noop functions for load-script|styles.php and is only loaded by those files. DRYs in the process. See #33813. Additionally there is the trac ticket #33813 linked, which gives some additional insight. You generally … Read more
So the template_redirect is used for things such as canonicalisation, feeds etc. If you want to alter the template that is served template_include is preferred. Unlike template_redirect, template_include is a filter which filters the path of the template page. This means you don’t load/include the template, but just return the template path. WordPress does a … Read more
If you wrote your code correctly, then delete_option would be the correct way. The question isn’t how to clear the option; the question is how to structure your code such that the “option does not exist” case is a valid case. Think about it. The first time you start this code, that option isn’t going … Read more
There is a function in the user.php of the core files called wp_authenticate_username_password that seems like what you’re looking for. If you want to avoid throwing in the $user object (you probably only have the username + password), then just throw null as 1st function argument in: $check = wp_authenticate_username_password( NULL, ‘some_username’, ‘#thepassw0rd’ ); You … Read more
You add the column using the manage_posts_column filter, where you add two new array elements with a custom key name and the header name as the value. add_filter(‘manage_posts_columns’, ‘wpse_3531_add_seo_columns’, 10, 2); function wpse_3531_add_seo_columns($posts_columns, $post_type) { $posts_columns[‘seo_score’] = ‘SEO score’; $posts_columns[‘seo_keyword’] = ‘SEO keyword’; return $posts_columns; } The function that displays each row, _post_row(), then fires … Read more
I was searching for the same answer this morning for my plugin AnsPress. So I sneak into WordPress plugin wp-admin/includes/plugin.php and got an idea. WordPress check for fatal error while activating plugin, so simplest solution will be trigger a fatal error and this will prevent WordPress to activate the plugin. In my below code I … Read more