PHP Manual
MysqlndUhConnection
Returns the auto generated id used in the last query

MysqlndUhConnection::getLastInsertId

(PECL mysqlnd-uh >= 1.0.0-alpha)

MysqlndUhConnection::getLastInsertId — Returns the auto generated id used in the last query

说明

public MysqlndUhConnection::getLastInsertId ( mysqlnd_connection $connection ) : int

Returns the auto generated id used in the last query.

参数

connection: Mysqlnd connection handle. Do not modify!

返回值

Last insert id.

范例

Example #1 MysqlndUhConnection::getLastInsertId() example

 <?php
class proxy extends MysqlndUhConnection {
 public function getLastInsertId($res) {
   printf("%s(%s)\n", __METHOD__, var_export(func_get_args(), true));
   $ret = parent::getLastInsertId($res);
   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");
$mysqli->query("DROP TABLE IF EXISTS test");
$mysqli->query("CREATE TABLE test(id INT AUTO_INCREMENT PRIMARY KEY, col VARCHAR(255))");
$mysqli->query("INSERT INTO test(col) VALUES ('a')");
var_dump($mysqli->insert_id);
?>

以上例程会输出：

proxy::getLastInsertId(array (
  0 => NULL,
))
proxy::getLastInsertId returns 1
int(1)

参见

mysqlnd_uh_set_connection_proxy() - Installs a proxy for mysqlnd connections
mysqli_insert_id() - 返回最后一条插入语句产生的自增 ID
mysql_insert_id() - 取得上一步 INSERT 操作产生的 ID