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# xattr_list

(PECL)

xattr_list -- Get a list of extended attributes

## Beskrivelse

array xattr_list ( string filename [, int flags] )

This functions gets a list of names of extended attributes of a file.

Extended attributes have two different namespaces: user and root namespace. User namespace is available for all users while root namespace is available only for user with root privileges. xattr operates on user namespace by default, but you can change that using flags argument.

## Parameterliste

filename

  The path of the file.

flags

  Tabel 1. Supported xattr flags

  `XATTR_DONTFOLLOW` | Do not follow the symbolic link but operate on symbolic link itself.
  `XATTR_ROOT` | Set attribute in root (trusted) namespace. Requires root privileges.

## Returneringsværdier

This function returns an array with names of extended attributes.

## Eksempler

Eksempel 1. Prints names of all extended attributes of file

`<?php $file = 'some_file'; $root_attributes = xattr_list($file, XATTR_ROOT); $user_attributes = xattr_list($file); echo "Root attributes: \n"; foreach ($root_attributes as $attr_name) { printf("%s\n", $attr_name); } echo "\n User attributes: \n"; foreach ($attributes as $attr_name) { printf("%s\n", $attr_name); } ?>`

## Se også

xattr_get()

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xattr_get | op | xattr_remove