The first WordPress plug-in you are taught to make step by step

WordPress A plug-in in is a component that adds or extends functionality , You can enable or disable... As needed , And won't interfere with the core program / Software and its code .WordPress Designed to be lightweight and smooth , It is impossible to increase the flexibility of the basic code of the website . Then add custom features and functions to the plug-in , Allow users to design sites according to their specific requirements .

In this guide , Will learn how to develop the first WordPress plug-in unit .

precondition ：

• WordPress install
• PHP Basic knowledge of

Steps of making plug-ins ——

1. go to WordPress install -> WordPress/wp-content/plugins

2. Create a new folder here and name it “ The plug-in name ”, In this case First-Plugin

3. Next , Create a new... In this folder PHP file , And give it the same name as the folder in this example First-Plugin.php

4. Now? , We add the name of the plug-in . Add... Contained in the file PHP The plug-in name in the comment .
PHP file First-Plugin.php Code for –

<?php/*** Plugin Name: First Plugin**/?>

5. Now? , go to WordPress Dashboard->Plugins, Here you can see our newly created plug-in and its name .

6. We should not leave the description blank , Because it can help users understand the purpose of plug-ins . So let's go through “Plugin Name:” Then add a new comment line to add the description of our plug-in , The title is “Description” And save it .PHP file First-Plugin.php Code for –

<?php/*** Plugin Name: First Plugin* Description: This is my first Plugin.**/?>

7. We have successfully added the description of our plug-in. Now go to Dashboard->plugin Look at it .

8. Next , We added some functionality to our first plug-in . We're going to add a name called first_plugin() The basic function of , It will print “HELLO This is my first Plugin”. And its short code allows it to be placed in WordPress Post or page .
Code -

<?php/*** Plugin Name: First Plugin* Description: This is my first Plugin.**/function First_Plugin(){	$content="HELLO This is my first Plugin.";	return $content;}add_shortcode('myplugin', 'First_Plugin')?>

9. To display the output value of this function , We used WordPress Short code characteristics of . Go to post -> Create or edit a new post . Add the short code of the plug-in we just made there .
Abbreviated code - [myplugin]

10. To view plug-in output , Please browse the website and open our post of adding short code of plug-in .
This is what it looks like -

11. Now? , To use this plug-in function multiple times , We can use this short code many times . Just add a short code wherever we need this output .

12. Check the post for updated output , We get two identical sentences , Because we used short code twice in this post .

Now we have our plug-in , It returns a value , It can be used anywhere we want by using short codes .