filter shared counts data

filter-shared-data.php

function shared_counts_flipboard_data_properties( $attr, $link ) {
	if ( 'flipboard' === $link['type'] ) {
		$attr['flip-widget'] = 'shareflip';
	}
	return $attr;
}
add_filter( 'shared_counts_link_data', 'shared_counts_flipboard_data_properties', 5, 2 );