Return the current thread ID mysql_tablename mysql_unbuffered_query MySQL Functions PHP Manual mysql_thread_id (PHP 4 >= 4.3.0, PHP 5, PECL mysql:1.0)mysql_thread_id — Return the current thread ID Description int mysql_thread_id ([ resource $link_identifier ] ) Retrieves the current thread ID. If the connection is lost, and a reconnect with mysql_ping() is executed, the thread ID will change. This means only retrieve the thread ID when needed. Parameters link_identifier The MySQL connection. If the link identifier is not specified, the last link opened by mysql_connect() is assumed. If no such link is found, it will try to create one as if mysql_connect() was called with no arguments. If by chance no connection is found or established, an E_WARNING level error is generated. Return Values The thread ID on success, or FALSE on failure. Examples Example #1 mysql_thread_id() example <?php$link = mysql_connect('localhost', 'mysql_user', 'mysql_password');$thread_id = mysql_thread_id($link);if ($thread_id){ printf("current thread id is %d\n", $thread_id);}?> The above example will output something similar to: current thread id is 73 See Also mysql_ping() mysql_list_processes() mysql_tablename mysql_unbuffered_query MySQL Functions PHP Manual