shortcodes.php

<?php

/**
 * FB Comments Shortcode
 *
 */
function be_facebook_comments_shortcode() {

	$output = '';

	// Requires EA Share Count, fallback to Genesis shortcode, then to WP comment count
	if( function_exists( 'ea_share' ) ) {

		$count = ea_share()->core->count( get_the_ID(), 'facebook_comments' );
		$text = $count > 0 ? $count . _n( ' Comment', ' Comments', $count ) : 'Leave a Comment';
		$output = '<a href="' . get_comments_link( get_the_ID() ) . '" class="entry-comments-link">' . $text . '</a>';
		
	} else {

		// Genesis comment shortcode
		if( function_exists( 'genesis_post_comments_shortcode' ) ) {
			$output = genesis_post_comments_shortcode();
			
		// Standard WP comment count
		} else {
			$count = get_comments_number();
			$text = $count > 0 ? $count . _n( ' Comment', ' Comments', $count ) : 'Leave a Comment';
			$output = '<a href="' . get_comments_link( get_the_ID() ) . '" class="entry-comments-link">' . $text . '</a>';
		}

	}
		return $output;
}
add_shortcode( 'fb_comments', 'be_facebook_comments_shortcode' );