Add Post Format shortcode for meta manager

post-format-shortcode.php

if ( ! function_exists( 'woo_shortcode_post_format' ) ) {

	function woo_shortcode_post_format () {
				
		$format = get_post_format( $post->ID );
				
		$output = sprintf('<span class="categories">%s</span> ', $format );
		
		return apply_filters( 'woo_shortcode_post_format', $output, $atts );
		
	} // End woo_shortcode_post_format()

}

add_shortcode( 'post_format', 'woo_shortcode_post_format' );