Get wordpress Tag Cloud by Shortcode

functions.php

<?php
function get_tag_cloud() { 
 
	$args = array(
	'smallest'                  => 15,
	'largest'                   => 15,
	'unit'                      => 'px',
	'number'                    => 15,
	'format'                    => 'flat',
	'separator'                 => "\n #",
	'orderby'                   => 'count',
	'order'                     => 'DESC',
	'exclude'                   => null,
	'include'                   => null,
	'link'                      => 'view',
	'taxonomy'                  => 'post_tag',
	'echo'                      => false
);

return wp_tag_cloud($args); 
 
} 
add_shortcode('grab_popular_tags', 'get_tag_cloud');