PHP Manual
MysqlndUhConnection
Returns the thread ID for the current connection

MysqlndUhConnection::getThreadId

(PECL mysqlnd-uh >= 1.0.0-alpha)

MysqlndUhConnection::getThreadId — Returns the thread ID for the current connection

说明

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

Returns the thread ID for the current connection.

参数

connection: Mysqlnd connection handle. Do not modify!

返回值

Connection thread id.

范例

Example #1 MysqlndUhConnection::getThreadId() example

 <?php
class proxy extends MysqlndUhConnection {
 public function getThreadId($res) {
  printf("%s(%s)\n", __METHOD__, var_export(func_get_args(), true));
  $ret = parent::getThreadId($res);
  printf("%s returns %s\n", __METHOD__, var_export($ret, true));
  return $ret;
 }
}
mysqlnd_uh_set_connection_proxy(new proxy());

$mysqli = new mysqli("localhost", "root", "", "test");
var_dump($mysqli->thread_id);
?>

以上例程会输出：

proxy::getThreadId(array (
  0 => NULL,
))
proxy::getThreadId returns 27646
int(27646)

参见

mysqlnd_uh_set_connection_proxy() - Installs a proxy for mysqlnd connections
mysqli_thread_id() - 返回当前连接的线程 ID
mysql_thread_id() - 返回当前线程的 ID

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