$hostname_logon = "xxxxxx";   
$database_logon = "xxxxxx";  
$username_logon = "xxxxxx";  
$password_logon = "xxxxxx";   
//open database connection
 $connections = mysql_connect($hostname_logon, $username_logon, $password_logon) or die  or die( "Error! Could not logon: " . mysql_error() );
 //select database
 mysql_select_db($database_logon) or die  or die( "Error! Could not select the database: " . mysql_error() );

$hostname_logon = "mysql3.namesco.net" ;   
$database_logon = "port80" ;  
$username_logon = "port80" ;  
$password_logon = "psjac6759" ;   
//open database connection
 $connections = mysql_connect($hostname_logon, $username_logon, $password_logon) or die  or die( "Error! Could not logon: " . mysql_error() );
 //select database
 mysql_select_db($database_logon) or die  or die( "Error! Could not select the database: " . mysql_error() );

PHP Mysql db logon

mysql, php

PHP