Shortcode for Tag List

/**
This snippet will add new shortcode [tags_list]
*/
function em_get_tags_shortcode(){
	$args = (array) $args;

	$args['ajax'] = isset($args['ajax']) ? $args['ajax']:(!defined('EM_AJAX') || EM_AJAX );

	$args['format'] = ($format != '' || empty($args['format'])) ? $format : $args['format'];

	$args['format'] = html_entity_decode($args['format']); //shorcode doesn't accept html

	$args['orderby'] = !empty($args['orderby']) ? $args['orderby'] : get_option('dbem_categories_default_orderby');

	$args['order'] = !empty($args['order']) ? $args['order'] : get_option('dbem_categories_default_order');

	$args['pagination'] = isset($args['pagination']) ? $args['pagination'] : !isset($args['limit']);

	$args['limit'] = isset($args['limit']) ? $args['limit'] : get_option('dbem_categories_default_limit');

	if( !empty($args['id']) ) $args['id'] = rand(100, getrandmax());

	if( empty($args['format']) && empty($args['format_header']) && empty($args['format_footer']) ){

		ob_start();

		if( !empty($args['ajax']) ){ echo '<div class="em-search-ajax">'; } //open AJAX wrapper

		em_locate_template('templates/tags-list.php', true, array('args'=>$args));

		if( !empty($args['ajax']) ) echo "</div>"; //close AJAX wrapper

		$return = ob_get_clean();

	}else{

		$args['ajax'] = false;

		$args['page'] = ( !empty($args['pagination']) && !empty($args['page']) && is_numeric($args['page']) )? $args['page'] : 1;

		$args['page'] = ( !empty($args['pagination']) && !empty($_GET['pno']) && is_numeric($_GET['pno']) )? $_GET['pno'] : $args['page'];

		$return = EM_Tags::output($args);

	}

	return $return;
}

add_shortcode ( 'tags_list', 'em_get_tags_shortcode');