Calling wp_set_wpdb_vars() after replacing $wpdb will probably do the trick. $wpdb = new My_DB(); wp_set_wpdb_vars(); However, the only officially supported way to replace wpdb is to place a db.php in wp-content folder. If you can, I would suggest to do that.
From the docs about wp plugin delete: Deletes plugin files without deactivating or uninstalling. so after runing the comand on a plugin I would expect the admin plugin page showing the warning about the missing plugin being deactivated and all the uninstalling database related actions have not taken place. Just run uninstall with the –deactivate … Read more
You just need to register_setting() on your setting and it will be saved automatically. See the Settings API for more info. Here’s a complete example: function spw_cb() { if( !($value = get_option(‘sprockets_per_widget’)) ) { $value = 7; } ?> <input type=”text” size=”3″ name=”sprockets_per_widget” value=”<?php echo $value; ?>” /> Numeric only! <?php } function spw_init() { … Read more
You’re not going to get a noticeable difference doing it one way over another. Slowness comes from what the code is doing. If you’re worried about performance, just make sure you’re caching external requests whenever you can, that includes calls to the database.
Via the “Annotate” function the the Trac, you can see that this was added three years ago, after the request for a generic POST handler that plugins can use. Google code search tells me that at least Akismet uses this hook, and it appeared there at the time it was introduced in core. It works … Read more
adding these functions should do the trick. First things first, add this line to functions.php while you are working on this: add_action(‘init’, ‘flush_rewrite_rules’); What that code will do is constantly flush the rewrite rules, it makes this easier to test while you are working on it, instead of having to go in and manually reset … Read more
First of all, provide a well-formed default HTML form. Use <label>, <fieldset> and <legend> where appropriate. This markup provides a good structure for CSS styling. Adding in some CSS classes may help too. Provide a filter that allows developers to tweak the default form. To go even further, you can allow developers to completely rewrite … Read more
Have you thought about using feedburner? I’m using feedburner to handle subscribers. And it emails subscribers once a new post is made. You should be able to import your subscribers by emailing the csv file to [email protected] and informing support that you are moving to use Feedburner.
A subtle difference between your syntax wp-footershould be wp_footer, underscore _ and not hypthen – add_filter(‘wp-footer’, fahad); // wrong… add_filter(‘wp_footer’, ‘fahad’); // right.. Follow the naming convention of functions: (Codex) Plugin_API: Action_Reference » the wp_footer hook (Codex) Plugin_API: Action_Reference (Codex) Function_Reference
Previous versions of WordPress didn’t really provide a good means to conditionally enqueue stylesheets and JavaScript within a plugin (i.e. only when needed). So most plugin authors enqueued both on every WordPress init/load, even if the plugin wasn’t being used on a given page. Current versions of WordPress allow for enqueuing later in the flow … Read more