Learn how to develop WordPress Plugins

Learn how to develop WordPress Plugins

01  – Under <Wordpress-directory>wp-contentPlugins create a directory with the Plugin Name.

02 – There create a file <Plugin Name>.php

03 – Under WordPress plugins page the new plugin will be shown.

04 – Copy and paste the HelloWorld example below to <Plugin Name>.php file.

05 – Activate the Plugin from Plugins page.

06 – Your first plugin runs and displays “Hello World” at the top of WordPress admin area.

Example 1 - Hello World:
<?php
/**
* Plugin Name: HelloWorld
* Plugin URI: http://www.flash-jet.com
* Description: HelloWorld Example
* Version: 1.5
* Author: Gabriel Magen
* Author URI: http://www.flash-jet.com
* License: A "Slug" license name e.g. GPL12
**/

function hello_world()
{ 
    echo '<hr><b><center>Hello World !!!!!!!<hr>'; 
}

add_action("admin_head","hello_world");
?>

Read more about plugin development here: https://developer.wordpress.org/