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Manual: umask
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umask

(PHP3 , PHP4 )

umask -- Changes the current umask

Description

int umask (int mask)

Umask() sets PHP's umask to mask & 0777 and returns the old umask. When PHP is being used as a server module, the umask is restored when each request is finished.

Umask() without arguments simply returns the current umask.


User Contributed Notes: umask

rlynch@ignitionstate.com
11-Feb-2000 06:41
umask affects permissions when files and directories are created.

umask is short for "Un-Mask".

So umask is "and"ed with the permissions of mkdir, fopen, etc.

In a sense, the umask setting is "subtracted" from the permissions given to mkdir.

Example:

<PRE>
umask(011);
mkdir('foo', 0777);
</PRE>
will actually make a directory with permissions 0766.



wptate@olemiss.edu
29-Feb-2000 01:19
The -S option will print the symbolic values of umask, while changing the umask to the new setting.
(i.e. umask -S 007 will print 'u=rwx,g=rwx,o=')

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