xattr_get

(no version information, might be only in CVS)

xattr_get --  Get an extended attribute

Popis

string xattr_get ( string filename, string name [, int flags] )

This function gets the value of an extended attribute of a file.

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Parametre

filename

The file from which we get the attribute.

name

The name of the attribute.

flags

Tabuľka 1. Supported xattr flags

XATTR_DONTFOLLOWDo not follow the symbolic link but operate on symbolic link itself.
XATTR_ROOTSet attribute in root (trusted) namespace. Requires root privileges.

Vrátené hodnoty

Returns a string containing the value or FALSE if the attribute doesn't exist.

Príklady

Príklad 1. Checks if system administrator has signed the file

<?php
$file
= '/usr/local/sbin/some_binary';
$signature = xattr_get($file, 'Root signature', XATTR_ROOT);

/* ... check if $signature is valid ... */

?>

Tiež pozri

xattr_list()
xattr_set()
xattr_remove()