<?php
require './oauth_secret.inc';
$url = 'http://query.yahooapis.com/v1/yql';
try {
$o = new OAuth($consumerKey,$consumerSecret,
OAUTH_SIG_METHOD_HMACSHA1,OAUTH_AUTH_TYPE_AUTHORIZATION);
$q = <<<EOB
select * from html where xpath=
'//tr//a[@href="/wiki/Capital_(political)"]/../../../td[2]/a/text()'
and url in (select url from search.web where url like '%wikipedia%'
and query='South Africa' limit 1)
EOB;
$o->fetch("$url?q=".rawurlencode($q)."&format=json");
/* Uncomment for debugging
$response_info = $o->getLastResponseInfo();
echo "<pre>".print_r($response_info,true)."</pre>";
*/
$result = json_decode($o->getLastResponse(),true);
foreach($result['query']['diagnostics']['url'] as $u) {
echo "{$u['content']}<br>\n";
}
echo "<b>Answer: </b>{$result['query']['results']}";
} catch(Exception $E) {
echo "Error: [".$E->errorMessage."]<br>\n";
echo "Response: [".$E->lastResponse."]<br>\n";
exit;
}
?>
