umask

(PHP 4, PHP 5, PHP 7)

umask — 锟侥变当前锟斤拷 umask

说锟斤拷

umask ([ int $mask ] ) : int

umask() 锟斤拷 PHP 锟斤拷 umask 锟借定为 mask & 0777 锟斤拷锟斤拷锟斤拷原锟斤拷锟斤拷 umask锟斤拷锟斤拷 PHP 锟斤拷锟斤拷为锟斤拷锟斤拷锟斤拷模锟斤拷使锟斤拷时锟斤拷锟斤拷每锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟� umask 锟结被锟街革拷锟斤拷

锟斤拷锟斤拷

mask: The new umask.

锟斤拷锟斤拷值

锟睫诧拷锟斤拷锟斤拷锟斤拷 umask() 锟结返锟截碉拷前锟斤拷 umask锟斤拷锟叫诧拷锟斤拷锟津返伙拷原锟斤拷锟斤拷 umask锟斤拷

锟斤拷锟斤拷

Example #1 umask() 锟斤拷锟斤拷


<?php
$old = umask(0);
chmod("/path/some_dir/some_file.txt", 0755);
umask($old);

// Checking
if ($old != umask()) {
    die('An error occured while changing back the umask');
}
?>

注锟斤拷

Note:
锟节讹拷锟竭程的凤拷锟斤拷锟斤拷锟较撅拷锟斤拷锟斤拷锟斤拷使锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷募锟斤拷锟揭拷谋锟斤拷锟饺拷锟斤拷锟矫伙拷锟斤拷使锟斤拷 chmod()锟斤拷使锟斤拷 umask() 锟结导锟铰诧拷锟斤拷锟斤拷锟斤拷头锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟皆ぶ拷锟斤拷锟斤拷锟斤拷锟斤拷为锟斤拷锟斤拷锟斤拷使锟斤拷锟斤拷同锟斤拷 umask 锟侥★拷