Public static method of the InvDB singleton. Attempts to make a connection using the parameters specified and returns a database connection object, or returns false on failure.
$engine (STRING) - connection engine to be used (usually 'mysql'),
$host (STRING) - hostname or host IP
$name (STRING) - database name
$user (STRING) - username
$password (STRING) - password
OBJECT/FALSE
$shoedb = InvDB::getArbitraryDatabase('mysql' , '123.123.123.123' ,'shoedb' , 'shoecollector' , '1AmAs80E');