Wordpress Plugin Development Company

About WordPress Plugins

What is a wordpress plugin ?

WordPress Plugins allow easy modification, customization, and enhancement of a WordPress site. Instead of changing the core programming of WordPress, you can add functionality with WordPress Plugins. Here is a basic definition:

WordPress Plugin: A WordPress Plugin is a program, or a set of one or more functions, written in the PHP scripting language, that adds a specific set of features or services to the WordPress site, which can be seamlessly integrated with the site using access points and methods provided by the WordPress Plugin Application Program Interface (API).

Wishing that WordPress had some new or modified functionality? We will create a custom WordPress Plugin that suits your needs. We are constantly striving hard to empower businesses in their journey towards success. The first step is to be technically sound. WordPress is powerful and we make it more powerful through plugins.

WordPress Plugin Hooks

Many WordPress Plugins accomplish their goals by connecting to one or more WordPress Plugin “hooks”. The way Plugin hooks work is that at various times while WordPress is running, WordPress checks to see if any Plugins have registered functions to run at that time, and if so, the functions are run. These functions modify the default behavior of WordPress.

For instance, before WordPress adds the title of a post to browser output, it first checks to see if any Plugin has registered a function for the “filter” hook called “the_title”. If so, the title text is passed in turn through each registered function, and the final result is what is printed. So, if your Plugin needs to add some information to the printed title, it can register a “the_title” filter function.

Another example is the “action” hook called “wp_footer”. Just before the end of the HTML page WordPress is generating, it checks to see whether any Plugins have registered functions for the “wp_footer” action hook, and runs them in turn.

You can learn more about how to register functions for both filter and action hooks, and what Plugin hooks are available in WordPress, in the Plugin API.

WordPress Plugin Practices

  • Our code of a WordPress Plugin follows the WordPress Coding Standards.
  • All the functions in our Plugin have unique names that are different from functions in the WordPress core, other Plugins, and themes. For that reason, it is a good idea to use a unique function name prefix on all of your Plugin's functions.
  • we never hardcode the WordPress database table prefix (usually "wp_") into our Plugins. We use the $wpdb->prefix variable instead.
  • Database reading is cheap, but writing is expensive. Databases are exceptionally good at fetching data and giving it to you, and these operations are (usually) lightning quick. Making changes to the database, though, is a more complex process, and computationally more expensive. As a result, we try to minimize the amount of writing you do to the database.
  • We use WordPress' APIs instead of using direct SQL where possible. For example, use get_posts() or new WP_Query() instead of SELECT * FROM {$wpdb->prefix}_posts.
  • WE use the existing database tables instead of creating new custom tables if possible. Most use-cases can be accomplished with custom post types and meta data, custom taxonomy and/or one of the other standard tables and using the standard tables provides a lot of UI and other functionality
  • We base queries in a way that we SELECT only what we need. Even though databases fetch data blindingly fast, we still try to reduce the load on the database by only selecting that data which you need to use. If we need to count the number of rows in a table we don't SELECT * FROM, because all the data in all the rows will be pulled, wasting memory. Likewise, if we only need the post_id and the post_author in our Plugin, then we just SELECT those specific fields, to minimize database load.
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