Description:
------------
When OCILogon/OCIPLogon/OCINLogon fail, they return false.
This is currently not documented in:
http://www.php.net/manual/en/function.ocilogon.php
http://www.php.net/manual/en/function.ocinlogon.php
http://www.php.net/manual/en/function.ociplogon.php

A possible sentence to add to all three manual pages is:

  If connection is not successful, OCI[PN]Logon will fail and return FALSE.



Reproduce code:
---------------
<?php

$con = OCILogon("myname", "notmypasswd", "mydb");
echo "Con is: ";
var_dump($con);

?>


Actual result:
--------------
Warning: ocilogon(): OCISessionBegin: ORA-01017: invalid username/password; logon denied in c:\cj\php\cjbj\doc1.php on line 3
Con is: bool(false)