I hate OOP mixed in the functional structure of wordpress (here come the downvotes…..). If you use OOP just for name spacing then just use the name spacing feature of PHP, putting function in a class is just a very small part of what OOP should be. Anyway, your problems is that a there are … Read more
You need to match the $priority you used to hook the action: remove_action( ‘save_post’, array( $this, ‘save_box’ ), 20 /* Same as add_action call */ ); http://codex.wordpress.org/Function_Reference/remove_action Make sure you take the $post_id argument in your save_box method too: function save_box( $post_id ) { … }
Store the object temporarily in the database, but implement __sleep() and __wakeup() to avoid side effects. Alternatively, implement the Serializable interface and prepare the data in its methods. There is no need to store NULL values.
This is a pretty late answer, but I was looking to do something similar and figured it out. I wanted to get nav_menu_items into an RSS feed, which required changing the built in nav_menu_item post type property publicly_queryable. Anyway, it was actually pretty simple, here’s a generic function to do it: function change_wp_object() { $object … Read more
First of all you probably created an isolated file that is not under the umbrella of WP files. That’s why you are not getting $wpdb. I guess you may not following the general rules/conventions of theme development. my question is now how are you accessing the file? whatever, if you include the wp_config.php in your … Read more
If the classes are not in the same file, you’ll need to require it into the child class ( myCustomClass ). Are you doing that? Example : //get the base class if(!class_exists(‘MyParentClass’)) { require_once plugin_dir_path( __FILE__ ) . ‘/_inc/MyParentClass.php’; } /** * Class Definition */ class MyChildClass extends MyParentClass{ // class definition }
The problem is that filters in WordPress are global; if you add a filter somewhere it persists everywhere, unless you remove it. Also consider that you should prefer composition over inheritance, and if your current application structure is already built upon inheritance, and you can’t or don’t want to change it, you should avoid at … Read more
Have you tried add_action( ‘init’, array( $this, ‘auto_sign_in’) ); __CLASS__ returns the class name, not the class instance, so it only works for static functions.
Global $post var is set by WP::register_globals() method. It is called by WP::main() method, on its turn called by wp() function that is called when wp-blog-header.php is loaded. If you look at the graph @Rarst built, on the left, you can see where wp() function is called. In terms of hooks, global post variable is … Read more
Modify a registered style’s path I wanted to tweak the path to one of the WordPress admin stylesheets so i could keep requests down, and because it makes little sense to include two stylesheets, when the one i’m calling redefines all the styling in the stylesheet enqueued by WordPress. The idea is basically to re-point … Read more