I am writing my first simple plugin from scratch so I’m looking for a bit of advice on structuring the classes within the plugin. I encapsulated some basic functions in a class in the main plugin file but I guess it will become quite ungainly with a lot of functions in a single file. The … Read more
I am currently developing a plugin and I am trying to make use of the $current_user global. class Something { public function __construct() { $this->get_user(); var_dump( $this->user ); } private function get_user() { require_once( ABSPATH . ‘/wp-includes/pluggable.php’ ); $this->user = wp_get_current_user(); } } This actually works. However, I need to call pluggable.php file which shouldn’t … Read more
I am developing a plugin by using classes and object oriented programming. Within my plugin I have included another object as I need to use the functionality of this other object. I am instantiating the included object within my plugin’s constructor. require_once (‘path/to/my/IncludedObject’); class MyPlugin { private $IncludedObject; public function __construct() { $this->IncludedObject = new … Read more
I am looking for a good approach regarding the creation of custom post types in WordPress, using object orientation. How can I create CPTs in an clean, organized way? Take into consideration these 3 scenarios: Plugin for distribution (5.2 compatible) Theme for distribution Own project, with total control over the PHP version and dependencies 2 … Read more
Based on my understanding of hooks, you create a hook, by doing do_action(‘hook_name’); then add something to said hook and call the method where you want it to do the hook, so: public function hook_name(){ do_action(‘hook_name’); } some where you do something like: add_action(‘hook_name’, ‘some_hook’); and then some where in the theme you call: hook_name(); … Read more
I’m trying to get my head around mutable vs immutable objects. Using mutable objects gets a lot of bad press (e.g. returning an array of strings from a method) but I’m having trouble understanding what the negative impacts are of this. What are the best practices around using mutable objects? Should you avoid them whenever … Read more
I encountered a situation where a non-void method is missing a return statement and the code still compiles. I know that the statements after the while loop are unreachable (dead code) and would never be executed. But why doesn’t the compiler even warn about returning something? Or why would a language allow us to have … Read more
Most of the mainstream languages, including object-oriented programming (OOP) languages such as C#, Visual Basic, C++, and Java were designed to primarily support imperative (procedural) programming, whereas Haskell/gofer like languages are purely functional. Can anybody elaborate on what is the difference between these two ways of programming? I know it depends on user requirements to … Read more
Using PluginBoilerplate to write a plugin. I need to make an ajax call. I added to main plugin.php file, class to register scripts and handle ajax calls. if ( ! class_exists( ‘PoorMansNameSpaceAJAX’ ) ) { class PoorMansNameSpaceAJAX{ public static $instance = null; public $nonce=””; public $name=”ajaxexample”; public static function getInstance() { null === self::$instance AND … Read more
I was presented with this question in an end of module open book exam today and found myself lost. I was reading Head first Javaand both definitions seemed to be exactly the same. I was just wondering what the MAIN difference was for my own piece of mind. I know there are a number of … Read more
