[jonathan@orpheus html]$ GET http://localhost/index.php
Test
[jonathan@orpheus html]$ chmod 600 index.php
[jonathan@orpheus html]$ GET http://localhost/index.php
Warning: Unknown(/var/www/html/index.php): failed to open stream: Permission denied in Unknown on line 0
Warning: (null)(): Failed opening '/var/www/html/index.php' for inclusion (include_path='.:/usr/lib/php/:/usr/share/pear/') in Unknown on line 0