Oracle 5.0 Reference Manual page 2658

Mysqlnd replication and load balancing plugin (mysqlnd_ms)
Returns the latest global transaction ID
Description
string mysqlnd_ms_get_last_gtid(
mixed connection);
Returns a global transaction identifier which belongs to a write operation no older than the last write
performed by the client. It is not guaranteed that the global transaction identifier is identical to that one
created for the last write transaction performed by the client.
Parameters
connection
Return Values
Returns a global transaction ID (GTID) on success. Otherwise, returns
The function
mysqlnd_ms_get_last_gtid
statement from the
fetch_last_gtid
from the plugins configuration file.
The function may be called after the GTID has been incremented.
Notes
Note
mysqlnd_ms_get_last_gtid
>= 1.2.0. Internally, it is using a
with PHP 5.3.
Examples
Example 20.297.
mysqlnd_ms_get_last_gtid
<?php
/* Open mysqlnd_ms connection using mysqli, PDO_MySQL or mysql extension */
$mysqli = new mysqli("myapp", "username", "password", "database");
if (!$mysqli)
/* Of course, your error handling is nicer... */
die(sprintf("[%d] %s\n", mysqli_connect_errno(), mysqli_connect_error()));
/* auto commit mode, transaction on master, GTID must be incremented */
if (!$mysqli->query("DROP TABLE IF EXISTS test"))
die(sprintf("[%d] %s\n", $mysqli->errno, $mysqli->error));
printf("GTID after transaction %s\n", mysqlnd_ms_get_last_gtid($mysqli));
/* auto commit mode, transaction on master, GTID must be incremented */
if (!$mysqli->query("CREATE TABLE test(id INT)"))
die(sprintf("[%d] %s\n", $mysqli->errno, $mysqli->error));
printf("GTID after transaction %s\n", mysqlnd_ms_get_last_gtid($mysqli));
?>
See Also
Global Transaction IDs
A PECL/mysqlnd_ms connection handle to a MySQL server of the
type PDO_MYSQL, mysqli> or ext/mysql. The connection handle is
obtained when opening a connection with a host name that matches
a mysqlnd_ms configuration file entry using any of the above three
MySQL driver extensions.
returns the GTID obtained when executing the SQL
entry of the
global_transaction_id_injection
requires PHP >= 5.4.0 and PECL mysqlnd_ms
mysqlnd
example
2638
.
FALSE
library C functionality not available
section