Warning: mysqli_connect() [function.mysqli-connect]: (HY000/2013): Lost connection to MySQL server at 'reading initial communication packet', system error: 2 in E:\123\class\cont.class.php on line 10

Warning: mysqli_query() expects parameter 1 to be mysqli, boolean given in E:\123\class\cont.class.php on line 11

Warning: mysqli_select_db() expects parameter 1 to be mysqli, boolean given in E:\123\class\cont.class.php on line 12

Fatal error: Call to a member function query() on a non-object in E:\123\class\sql.class.php on line 37