15 Feb 2025

WordPress database interaction guide: mastering wpdb class and database operation skills WordPress comes with a large number of database interaction functions. WP_Query class and wp_insert_post, update_post_meta, get_posts and other functions are usually enough to deal with most situations. However, especially when dealing with custom tables, we sometimes need to do things that cannot be achieved by WordPress native features. This tutorial will explore the most important class in WordPress database interaction - wpdb, and share some development tips. We will introduce the dbDelta function used to create custom tables, but will not cover creating initial Word

19 Oct 2024

PHP: Accessing Child Class Methods from a Parent ClassOften, when working with inheritance in PHP, developers encounter the need to access functions from a child class within the parent class. This can be achieved through a powerful mechanism: abstra

17 Nov 2024

Accessing PHP Class Properties DynamicallyIn PHP, you can access class properties using the dot operator (.) like this:$obj->Name =...

04 Nov 2024

Accessing Class Constants DynamicallyAccessing class constants can be a challenge when you only know the constant's name during runtime. By...

22 Oct 2024

Accessing parent class variables in PHP can be challenging due to protection levels. To access protected variables correctly in child classes, use $this->variableName instead of parent::$variableName. Additionally, parent:: can be used to extend m

22 Oct 2024

This article provides a comprehensive guide to accessing parent class variables in PHP via the $this keyword to reference current object properties and methods, resolving issues encountered when using parent::$bb syntax. It also explains the distinct