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Function alt_textify($article, $doc = new DOMXpath($doc); $imgs = $xpath->query('//img'); //doesn't get simpler than this foreach($imgs as $img){ if ($img->getAttribute('title')) { // slightly complicated; the link is to tumblr, but there's a url in the documentation and/or other materials provided.

Vertex -0.4 3.15337 18.6638 vertex.
0.0555523 0.706045 0.705985 facet normal.

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