MysqlndUhConnection::query
(PECL mysqlnd-uh >= 1.0.0-alpha)
MysqlndUhConnection::query — Performs a query on the database
説明
public MysqlndUhConnection::query
( mysqlnd_connection $connection
, string $query
) : bool
Performs a query on the database (COM_QUERY).
パラメータ
connection
- Mysqlnd connection handle. Do not modify!
query
- The query string.
返り値
Returns true
on success.
Otherwise, returns false
例
例1 MysqlndUhConnection::query() example
<?phpclass proxy extends MysqlndUhConnection { public function query($res, $query) { printf("%s(%s)\n", __METHOD__, var_export(func_get_args(), true)); $query = "SELECT 'How about query rewriting?'"; $ret = parent::query($res, $query); printf("%s returns %s\n", __METHOD__, var_export($ret, true)); return $ret; }}mysqlnd_uh_set_connection_proxy(new proxy());$mysqli = new mysqli("localhost", "root", "", "test");$res = $mysqli->query("SELECT 'Welcome mysqlnd_uh!' FROM DUAL");var_dump($res->fetch_assoc());?>
上の例の出力は以下となります。
proxy::query(array ( 0 => NULL, 1 => 'SELECT \'Welcome mysqlnd_uh!\' FROM DUAL', )) proxy::query returns true array(1) { ["How about query rewriting?"]=> string(26) "How about query rewriting?" }
参考
- mysqlnd_uh_set_connection_proxy() - Installs a proxy for mysqlnd connections
- mysqli_query() - データベース上でクエリを実行する
- mysql_query() - MySQL クエリを送信する