If optional and not specified,
the function will try to find an open link to the FrontBase server and if no
such link is found it will try to create one as if
fbsql_connect() was called with no arguments
Return Values
Returns TRUE on success or FALSE on failure.
Examples
Example #1 fbsql_close() example
<?php $link = fbsql_connect("localhost", "_SYSTEM", "secret") or die("Could not connect"); echo "Connected successfully"; fbsql_close($link); ?>