You should not need to instantiate the widget class at the top of your code, because of the register_widget function hooked from your main class does that work for you. EDIT: WordPress already instantiates your class.
Your constructor runs on the request from which you make the AJAX request, but not within the request that processes that AJAX request. The request that initially loads the page, and the AJAX request are two separate requests with no preservation of state between the two. This is not unique to WordPress, this is how … Read more
Well, it is not possible, I guess. If you define function in global scope, then it is visible for all code. The only way to make it private for plugin is to use OOP (and it’s recommended way of writing plugins). You can rename this function, but it won’t solve your problem in the long … Read more
I deleted the Geo Data Store plugin and reinstalled, in which my code worked upon refresh. I was able to use the functions from the plugin and so on. I casted as an array so as to use the output in my wp_query arguments $sc_gds = new sc_GeoDataStore(); $ids = (array) $sc_gds->getPostIDsOfInRange( $type, $radius, $lat, … Read more
add_action/add_filter recive few arguments. Second one is callback. It’s done using constructor method.
OOP – add_action
That happens, because you run the function in add_shortcode(). To send is as callback, use: add_shortcode(‘examp_code’, array ( $obj, ‘ex_funct’ ) ); Now you have still a problem: you create output in your shortcode callback. Never do that, you have to return a string. Change it to: function ex_funct(){ return ‘<h3>Hello</h3>’; }
Property value of null when value is assigned inside a method hooked to the wp action hook
Autoloading a PHP class – working outside, but not inside WordPress plugin
That’s a very good question. It goes down to the dark heart of the plugin API and best programming practices. For the following answer I created a simple plugin to illustrate the problem with easy to read code. <?php # -*- coding: utf-8 -*- /* Plugin Name: Anonymous OOP Action */ if ( ! class_exists( … Read more