(PECL haru >= 0.0.1)
HaruDoc::setPageLayout — Set how pages should be displayed
$layout
   )Defines how pages should be displayed.
layoutThe following values are accepted:
HaruDoc::PAGE_LAYOUT_SINGLE - only one page is
         displayed.
        HaruDoc::PAGE_LAYOUT_ONE_COLUMN - display the
         pages in one column.
        HaruDoc::PAGE_LAYOUT_TWO_COLUMN_LEFT - display
         pages in two columns, first page left.
        HaruDoc::PAGE_LAYOUT_TWO_COLUMN_RIGHT - display
         pages in two columns, first page right.
        
   Returns TRUE on success.
  
Throws a HaruException on error.