BetterPHP

I have a problem on my server...
Its a LAMP server put some reason it mysqli syntax dont work. mysql querys are fine but I dont understand why mysqli doesnt work. Im running PHP5.3 and ive checked the phpinfo()

MySQL Support	enabled
Active Persistent Links	0
Active Links	0
Client API version	5.5.31
MYSQL_MODULE_TYPE	external
MYSQL_SOCKET	/var/run/mysqld/mysqld.sock
MYSQL_INCLUDE	-I/usr/include/mysql
MYSQL_LIBS	-L/usr/lib/x86_64-linux-gnu -lmysqlclient_r

Directive	Local Value	Master Value
mysql.allow_local_infile	On	On
mysql.allow_persistent	On	On
mysql.connect_timeout	60	60
mysql.default_host	no value	no value
mysql.default_password	no value	no value
mysql.default_port	no value	no value
mysql.default_socket	/var/run/mysqld/mysqld.sock	/var/run/mysqld/mysqld.sock
mysql.default_user	no value	no value
mysql.max_links	Unlimited	Unlimited
mysql.max_persistent	Unlimited	Unlimited
mysql.trace_mode	Off	Off

mysqli

MysqlI Support	enabled
Client API library version	5.5.31
Active Persistent Links	0
Inactive Persistent Links	0
Active Links	0
Client API header version	5.5.29
MYSQLI_SOCKET	/var/run/mysqld/mysqld.sock

Directive	Local Value	Master Value
mysqli.allow_local_infile	On	On
mysqli.allow_persistent	On	On
mysqli.default_host	no value	no value
mysqli.default_port	3306	3306
mysqli.default_pw	no value	no value
mysqli.default_socket	/var/run/mysqld/mysqld.sock	/var/run/mysqld/mysqld.sock
mysqli.default_user	no value	no value
mysqli.max_links	Unlimited	Unlimited
mysqli.max_persistent	Unlimited	Unlimited
mysqli.reconnect	Off	Off

this is what the phpinfo() says anyhelp please

Could you please give us the actual error?
If there's any sensitive information in the error statement, then please blank it out/replace it.

Error loading character set latin1:
mysqli_real_escape_string() might not work proper.Connect failed: Unknown MySQL server host 'localhost:3306' (2)