$contributors ) { $new_contributors = array_filter( $contributors, function ( $contributor ) use ( $all_contributors ) { return ! in_array( strtolower( $contributor ), $all_contributors ); } ); $all_contributors = array_unique( array_merge( $all_contributors, $contributors ) ); $new_count = count( $new_contributors ); $total_count = count( $contributors ); $total_counts[] = $total_count; $repeat_counts[] = $total_count - $new_count; $new_counts[] = $new_count; } ?>