How to Extend a WordPress Plugin

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In this article we will learn how you can extend a WordPress plugin.

Before we get into how to extend a WordPress plugin let us first understand what plugins are.


Plugins are separate files of code that reach WordPress in any approach thinkable by interacting with the WordPress API. You’ll be able to add practicality to WordPress while not modifying any core code files.

A plugin is as straightforward or as advanced as needed for the task.

Currently more than 7,500 plugins are listed within the official plugin directory and even a lot of them are accessible across the Internet.

Plugins are a key element in customizing WordPress to perform specifically as you wish while not altering the core WordPress code. This section is wherever you install, Configure, and manage all plugins across your website.

A plugin will accomplish almost about any practicality thinkable. Most traditional CMS tasks would be accomplished via a plugin.

If you’re probing for a particular feature in WordPress, the primary place to begin is by looking at the plugin directory at

Managing Plugins

You can manage plugins beneath the Plugins -> Installed SubPanel on your dashboard. WordPress lists all plugins presently situated in your wp-content/plugin directory on your web server.

Plugins may be activated, deactivated, and deleted from the plugin administration page. Every plugin enlists the plugin name, description, and author data together with the plugin web site. The plugin web site is often the most effective resource for plugin-specific data and support.

You can filter what plugins are displayed by using the filter links across the highest of the page. You’ll be able to additionally search plugins using the keyword search box at the top right. The Upgrade Available filter may be a fast summary of which plugins have an upgrade available and wish attention.

Adding New Plugins

To install a plugin on your web site, you’ll be able to use constant 3 strategies as you’d to put in a theme: the Auto Installer, Zip Upload, or FTP.

Once a plugin has been uploaded to WordPress using one of these 3 strategies, it’ll seem to appear beneath Plugins -> Installed SubPanel. Here you’ll be able to activate, deactivate, or delete the new plugin. Once a plugin is placed within the wp-content/plugins directory it automatically displays on your Plugins SubPanel.

If a plugin is eliminated from the plugins directory on your web server, it’s automatically deactivated in WordPress.

This is often particularly handy if a rogue plugin breaks your web site and you’re closed out with error messages or the fearful white screen of death (causing WordPress to travel into an infinite loop or otherwise never finish executing some PHP code). Also, if you take away or rename the horrifying plugin, it will be deactivated in WordPress.

Upgrading a Plugin

WordPress comes with a integral plugin upgrade feature. This makes upgrading your plugins easier than ever.

Once a plugin upgrade is out there, a notice seems alerting you regarding the refashion under the Plugins -> Installed SubPanel. A notice next to the Plugins SubPanel link on the Admin Menu also seems to appear showing number circled in red. That’s the amount of plugins with an upgrade accessible.

The update notice displays links to look at the fresh version details and to upgrade automatically. The upgrade notice is triggered once a brand new version of a plugin put in on your server has been uploaded to the official plugin directory at

Clicking the View Version Details link opens a Thickbox overlay showing you the plugins detail page from From here you’ll be able to read the plugin description, installation directions, and a changelog. The changelog options a version history showing you specifically what the new version will do.

This can assist you verify whether or not the plugin options a security vulnerability fix or new options. The changelog isn’t a demand for plugins, that the changelog tab might not exist on all plugins.

Clicking the Upgrade Automatically link starts the plugin upgrade method. If your web host supports automatic upgrade, the upgrade method begins straightaway.

The auto upgrade downloads the most recent plugin zip file from, unpacks the plugin, deactivates the plugin, installs the most recent version, so makes an attempt to activate the plugin. If everything runs effortlessly your new plugin is put in and activated automatically.

The automated upgrade reactivates your plugin on condition that it had been activated before the upgrade. Perpetually bear in mind to make a copy of your plugins before upgrading. Just in case of a mistake within the plugin or on your website you’ll be able to perpetually revert back to the backup.

If your web host doesn’t support the automated upgrade method, you’re prompted to enter your FTP account data to perform the upgrade.

This offers WordPress FTP permission to download and install the updated plugin on your server. Fill in your internet site’s Hostname (FTP Server), Username, Password, and whether or not you’re using FTP or FTPS (SSL). Click the Proceed button to begin the upgrade process. From here the upgrade method is that the same because the auto upgrade.

Using the Plugin Editor

Just like with themes, WordPress incorporates a integral plugin editor with syntax lightness. You’ll be able to read any plugin ASCII text file, however plugin files should be writable before you’ll be able to save your changes. Remember there is no ‘‘undo’’ button on a browser.

There’s additionally no plugin revision history therefore one unhealthy code edit and you may break the plugin with no thanks to revert back to the initial code. The editor lists all files related to a plugin.

You’ll be able to select that plugin you’d wish to edit from the menu within the top-right corner. A documentation operation feature has additionally been added, creating it easier than ever to quickly find a function’s purpose. This will assist you reference the plugin’s actions.

What are your viewpoints regarding extending a WordPress Plugin? Have you had an experience a horrible/great plugin? Why it was horrible/great? Let me know in the comments!

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Authored By Aakanksha Singh

Hi, I’m Aakanksha, a computer science engineer and the founder of TheTechPower. I help people make there online presence process easier by empowering them with clean, beautiful and easy to use wordpress themes.

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