Wordpress the_tags() replacing functions with hashtags

odd_the_tags.php

function odd_the_tags($before, $sep, $after){
	
	if( $tags = get_the_tags() ) {
		echo $before;
		
		foreach( $tags as $tag ) {
			$sep = ( $tag === end( $tags ) ) ? $after : $sep;
			echo '<a href="' . get_term_link( $tag, $tag->taxonomy ) . '">#' . $tag->name . '</a>' . $sep;
		}
	}
}