public function getRows($sql = '')
{
if ($sql) {
if (self::$debug) {
echo $sql . '<br />';
}
self::$stmt = self::$DB->query($sql);
self::getErrInfo();
self::$querycount++;
$result = self::$stmt->fetchColumn();
self::$stmt = null;
} elseif (self::$stmt) {
$result = self::$stmt->rowCount();
} else {
$result = 0;
}
return $result;
}
