Basic programming techniques you should have learned before building a plugin: You can concatenate checks with && (and) and || (or). You can (and should) guard each CREATE query with its own check SQL syntax you should have looked into before writing queries on your own: IF NOT EXISTS On a related note, please make … Read more
Download the plugin as a zip, extract and manually upload the folder that immediately parents all the .php files (i.e not a folder that has another folder as its child) into you plugin folder. Sometimes dev’s can zip things within an extra folder, which confuses wordpress.
I think this small source code is your solution. It currently doesn’t have frontend feedback for the Sticky Post change, but you can enhance this string, class or whatever you want in the function fb_stick_post. The first function adds the item in the Admin Bar and creates a new Url with a param value. Also, … Read more
wp_get_active_and_valid_plugins() get_plugins() and get_option(‘active_plugins’)
get_header( $name ) is a WordPress function, that will try to load the file header-{$name}.php from your theme’s root folder. If this file doesn’t exist, WordPress will load the default header.php file.
Have a look at the wp-settings.php file. You’ll see that the plugins_loaded action is triggered before the theme is loaded. The first action available for themes to hook into is the after_setup_theme action.
gear-solid**: Looking in the Source Code… Here’s the function from WP-DBManager Plugin that generates that error: function dbmanager_admin_notices() { $backup_options = get_option(‘dbmanager_options’); if(!@file_exists($backup_options[‘path’].’/.htaccess’)) { echo ‘<div class=”error” style=”text-align: center;”><p style=”color: red; font-size: 14px; font-weight: bold;”>’.__(‘Your backup folder MIGHT be visible to the public’, ‘wp-postratings’).'</p><p>’.sprintf(__(‘To correct this issue, move the <strong>.htaccess</strong> file from <strong>wp-content/plugins/wp-dbmanager</strong> to <strong>%s</strong>’, … Read more
You could definitely use an MVC philosophy in the development of a plugin, but you would be really silly to try to incorporate CI or Cake in addition to WP. For instance, you could build out a plugin using the following pseudo structure (FYI, there are a ton of ways to build this, depending on … Read more
Here’s another approach using the map_meta_cap filter that’s applied within the map_meta_cap() function within the has_cap() method of the WP_User class (PHP 5.4+): add_filter( ‘map_meta_cap’, function ( $caps, $cap, $user_id, $args ) { // Nothing to do if( ‘delete_post’ !== $cap || empty( $args[0] ) ) return $caps; // Target the payment and transaction post … Read more
The shop page is actually an archive page for posts of type ‘product’. Its template is in woocommerce/archive-product.php. You need to use the pre_get_posts action to preprocess the query before the loop, conditional_tags to recognize that you are in the product archive page, and a taxonomy query to filter the product categories, which belong to … Read more