PHP fileperms()Function


PHP Filesystem 参考手册Complete PHP Filesystem Reference Manual

Definition and Usage

The fileperms() function returns the permissions of a file or directory.

If successful, the function returns the permissions as a number. If it fails, it returns FALSE.

Syntax

fileperms(filename)

Parameter Description
filename Required. Specifies the file to check.


Tips and Notes

Note:The results of this function are cached. Use clearstatcache() to clear the cache.


Example 1

<?php
echo fileperms("test.txt");
?>

The above code will output:

33206


Example 2

Display permissions as an octal value:

<?php
echo substr(sprintf("%o",fileperms("test.txt")),-4);
?>

The above code will output:

1777


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