| public queryScalar ( ) : string | null | false | ||
| 리턴 | string | null | false | the value of the first column in the first row of the query result. False is returned if there is no value. |
public function queryScalar()
{
$result = $this->queryInternal('fetchColumn', 0);
if (is_resource($result) && get_resource_type($result) === 'stream') {
return stream_get_contents($result);
} else {
return $result;
}
}