Pulling in Column Count in Custom Gallery
Sprintf is a way to use variables within a string easily. %d designates a digit and %s is any string. So think of it like this sprintf( ‘<div class=”%s”>%s</div>’, $var1, $var2 ); So for your example, you’d need something like: $output = sprintf( ‘<div class=”gallery gallery-columns-%s” itemprop=”image” itemscope itemtype=”http://schema.org/ImageGallery”>%s</div>’, $columns, $output ); The only thing … Read more