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<?php $html =<<<EOF <form> <select><option>foo</option><option>bar</option></select> <select><option>hello</option><option>PHP</option></select> </form> EOF; $dom = new DOMDocument; $dom->loadHTML($html); $xpath = new DOMXPath($dom); $selects = $xpath->query('//select'); foreach ($selects as $select) { $options = $xpath->query('//option', $select); foreach ($options as $option) $option->removeAttribute('selected'); $options->item(1)->setAttribute('selected','selected'); } echo $dom->saveHTML();
Output for git.master, git.master_jit, rfc.property-hooks
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN" "http://www.w3.org/TR/REC-html40/loose.dtd"> <html><body><form> <select><option>foo</option><option selected>bar</option></select><select><option>hello</option><option>PHP</option></select></form></body></html>

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