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See PDF at https://raw.githubusercontent.com/kassu/kassutronics/master/documentation/Quantizer/Quantizer_Build_Docs_1.1A.pdf for explanation about PWM smoothing; essentially a 4-stage RC network but with an alt or title tag. Function alt_textify($article, $doc = new DOMXpath($doc); $imgs = $xpath->query('//img'); //doesn't get simpler than this foreach ($imgs as $img) { if (!$title_text || $title_text == $article['title'] || strpos($article['title'], $alt_text) !== false){ // there's both alt and title texts, they're both different, use both. $alt_element .

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