This filter returns the square thumbnail size when a gallery is configured to display four columns of thumbnails per row.
add_filter('maxgalleria_thumb_size_square_four_column', 'thumb_size_square_four_column', 10, 1); $thumb_size
An array containing the thumbnail width (default = 250) and height (default = 250).
add_filter('maxgalleria_thumb_size_square_four_column', 'thumb_size_square_four_column', 10, 1);
function thumb_size_square_four_column($thumb_size) {
}
Defined in maxgalleria-hooks.php.
Used in maxgalleria-image-gallery.php.