function ServerReportingTest($url, $id, &$sql)
{
echo "Testing server reporting...\n";
$resp = SimpleHEAD::HEADrequest($url);
$useslm = 0;
$usesetag = 0;
if (!isset($resp['lm']) || empty($resp['lm'])) {
echo "The bloody server doesn't report Last-Modified info.\n";
$useslm = false;
} else {
echo "Aw yeah, it supports Last-Modified.\n";
if (!ServerTestPackage::LMReliabilityTest($url)) {
echo "Last-Modified timestamps are unreliable!\n";
$useslm = false;
} else {
echo "Last-Modified timestamps are reliable.\n";
$useslm = true;
}
}
if (!isset($resp['et']) || empty($resp['et'])) {
echo "The bloody server doesn't report ETag info.\n";
$usesetag = false;
} else {
echo "Aw yeah, it supports ETag.\n";
$usesetag = true;
}
echo "Storing these details in the database...";
if ($usesetag === true && $useslm === true) {
// supports both etag and last-modified
$sql->write('feeds', array('reports' => 'complete', 'etag' => $resp['et'], 'lastmodified' => date('Y-m-d H:i:s', strtotime($resp['lm']))), $id);
} elseif ($usesetag === true && $useslm === false) {
// supports only etag (I don't expect this to happen)
$sql->write('feeds', array('reports' => 'etagonly', 'etag' => $resp['et']), $id);
} elseif ($usesetag === false && $useslm === true) {
// supports only last-modified
$sql->write('feeds', array('reports' => 'lmonly', 'lastmodified' => date('Y-m-d H:i:s', strtotime($resp['lm']))), $id);
} elseif ($usesetag === false && $useslm === false) {
// supports neither etag nor last-modified (bad server!)
$sql->write('feeds', array('reports' => 'none'), $id);
} else {
// ambiguous test results
die("Ambiguous test results: useslm = {$useslm}, usesetag = {$usesetag}.\n");
}
echo "Done.\n";
}
