I am running a query with a mysql stored procedure :
$AddProf_qr = mysql_query(\"call AddStudent(\'$d_Pass\', \'$d_Titl\', \'$d_Firs\', \'$d_Midd\', \'$d_La
mysql_free_result(client->res);
while (mysql_more_results(client->conn)) { mysql_next_result(client->conn); }
This did the charm for me :)