Description:
------------
dba_open() creates *.db file with fragments of system files or source php scripts


Reproduce code:
---------------
<?php
$db=dba_open("/var/tmp/test.db","n", "gdbm");
?>




Expected result:
----------------
Create test.db only

Actual result:
--------------
#cat /var/tmp/test.db

...
127.0.0.1               localhost localhost.my.domain
#
# Imaginary network.
#10.0.0.2               myname.my.domain myname
#10.0.0.3               myfriend.my.domain myfriend
...
(pert of my /etc/hosts here! :( and part of my /etc/services file below :-()
....
hylafax         4559/tcp   #HylaFAX client-server protocol
rfa             4672/tcp   #remote file access server
rfa             4672/udp   #remote file access server
commplex-main   5000/tcp
commplex-main   5000/udp
.....