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Knurls = round(KnobCircumference/DistanceBetweenKnurls); Divot=CapType; TaperAngle=asin(KnobHeight / (sqrt(pow(KnobHeight, 2) pow(KnobMajorRadius-KnobMinorRadius,2)))) - 90; hole_bottom = hole_top - 89.75; // these are some setup variables... You probably won't need to call out for) $article['content'] = $this->get_img_tags($xpath, "//div[@id='comic-1']//img", $article); // Berkeley Mews elseif (strpos($article["link"], "www.phdunknown.com/index.php?id=") !== FALSE) { $xpath = $this->get_xpath_dealie($article['link']); $article['content'] = $this->get_img_tags($xpath, "//div[@id='comic']/noscript/img", $article); } /* replace '//' or '/./' or '/foo/../' with '/' */ $re = array('#(/\.?/)#', '#/(?!\.\.)[^/]+/\.\./#'); for($n=1; $n>0; $abs=preg_replace($re, '/', $abs, -1, $n)) { } function get_img_tags($xpath, $query, &$article, $base_url=NULL) { $img_attributes_whitelist = array('src', 'alt', 'title'); $new_src = $this->rel2abs($orig_src, $article['link.

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