[WordPress] Display random post tags.

random-post-tags.php

<?php
	$args = array(
		'taxonomy'   => 'post_tag',
		'hide_empty' => 0
	);
	$tags = get_terms( $args );
	$class_name = 'my-custom-class-name';

	if ( ! empty( $tags ) && ! is_wp_error( $tags ) ) {
		shuffle( $tags );	
		foreach( array_slice( $tags, 0, 6 ) as $tag ) {
			printf( '<a class="%1$s" href="%2$s">%3$s</a>',
				sanitize_html_class( $class_name ),
				get_tag_link( $tag->term_id ),
				sprintf( __( '%s') , $tag->name )
			);
		}
	}