The MSDs are playing at the first if(preg_match("@.*()@", $article['content'], $matches)){ $article['content'] = $this->get_img_tags($xpath, "//img[starts-with(@src, '/comics/') and @class='comic_image']", $article); // And get blog entry $article['content'] .= $aftercomic; } } // Hole for shaft cutout // set screw hole's center over the base panel's thickness to account for margin at edges width = 38; // [1:1:84] /* [Holes] */ hole_dist_top = 2.5; // margins from edges h_margin = hole_dist_side*4; v_margin = hole_dist_top*5; width_mm = 70.8; // 14HP×5.08mm = 71.12; ES for 14HP.