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run code in 200+ php & hhvm versions
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<?php $url = 'http://beta.congress.gov/search?pageSort=dateOfIntroduction%3Adesc&q={%22congress%22%3A%22112|113|111|110|109|108|107|106%22%2C%22source%22%3A%22legislation%22}&pageSize=25'; libxml_use_internal_errors(true); $dom = new DOMDocument; $dom->loadHTMLFile($url); header('content-type: text/plain'); $xpath = new DOMXPath($dom); $found = $xpath->query('//ul[@class="results_list"]/li'); $results = array(); foreach ($found as $li) { $bill = $xpath->query('h2/a', $li); $bill_name = $bill->item(0)->nodeValue; $bill_url = $bill->item(0)->getAttribute('href'); $sponsor = $xpath->query('table/tbody/tr/td/a', $li); $sponsor_name = $sponsor->item(0)->nodeValue; $sponsor_url = $sponsor->item(0)->getAttribute('href'); $results[] = array( $bill_name => $bill_url, $sponsor_name => $sponsor_url ); } var_dump($results);
Output for 5.3.0 - 5.6.30, 7.0.0 - 7.3.0rc4
Warning: DOMDocument::loadHTMLFile(): php_network_getaddresses: getaddrinfo failed: System error in /in/XDqLS on line 7 Warning: DOMDocument::loadHTMLFile(http://beta.congress.gov/search?pageSort=dateOfIntroduction%253Adesc&q=%7B%2522congress%2522%253A%2522112%7C113%7C111%7C110%7C109%7C108%7C107%7C106%2522%252C%2522source%2522%253A%2522legislation%2522%7D&pageSize=25): failed to open stream: php_network_getaddresses: getaddrinfo failed: System error in /in/XDqLS on line 7 Warning: Cannot modify header information - headers already sent by (output started at /in/XDqLS:7) in /in/XDqLS on line 9 array(0) { }
Output for hhvm-3.10.1 - 3.11.1, hhvm-3.13.2 - 3.17.3
Warning: Protocol 'http' for external XML entity 'http://beta.congress.gov/search?pageSort=dateOfIntroduction%253Adesc&q=%7B%2522congress%2522%253A%2522112%7C113%7C111%7C110%7C109%7C108%7C107%7C106%2522%252C%2522source%2522%253A%2522legislation%2522%7D&pageSize=25' is disabled for security reasons. This may be changed using the hhvm.libxml.ext_entity_whitelist ini setting. array(0) { }
Output for hhvm-3.12.14

Process exited with code 137.