function indexDocument($sDocument, $sUrl)
{
$aKeyWords = preg_split('/(<\\s*p\\s*\\/?>)|(<\\s*br\\s*\\/?>)|[\\s,\\-\\/]/i', $sDocument);
foreach ($aKeyWords as $nOffset => $sKeyWord) {
$sKeyWord = preg_replace('/[^a-z0-9\']+/', '', strtolower($sKeyWord));
if (strlen($sKeyWord) > 0 && !StopWords::bStopWord($sKeyWord)) {
try {
$oStmtWords->execute(array($sKeyWord));
} catch (Exception $e) {
$oStmtWordsUpdate->execute(array($sKeyWord));
}
$oStmtStems->execute(array(PorterStemmer::Stem($sKeyWord), $sUrl, $nOffset));
}
}
}
