add shortcode in wordpress function code example

Example 1: how to create wordpress shortcodes

// function that runs when shortcode is called
function wpb_demo_shortcode() { 
 
// Things that you want to do. 
$message = 'Hello world!'; 
 
// Output needs to be return
return $message;
} 
// register shortcode
add_shortcode('greeting', 'wpb_demo_shortcode');

Example 2: how to create shortcode

<?php
function abc()
{}
////create shortcode////
add_shortcode('page_name','abc');
?>

Example 3: how to use plugin shortcode in wordpress template

<?php echo do_shortcode("[insert-your-shortcode-here]"); ?>