xattr Функции
xdiff
xattr Функции
PHP Manual

# xattr_supported

(PECL xattr:1.0)

xattr_supported — Check if filesystem supports extended attributes

### Описание

bool xattr_supported ( string `$filename` [, int `$flags` ] )

This functions checks if the filesystem holding the given file supports extended attributes. Read access to the file is required.

### Список параметров

`filename`

  The path of the tested file.

`flags`

  Supported xattr flags
  `XATTR_DONTFOLLOW` | Do not follow the symbolic link but operate on symbolic link itself.

### Возвращаемые значения

This function returns `TRUE` if filesystem supports extended attributes, `FALSE` if it doesn't and `NULL` if it can't be determined (for example wrong path or lack of permissions to file).

### Примеры

Пример #1 xattr_supported() example

The following code checks if we can use extended attributes.

`<?php
$file = 'some_file';
if (xattr_supported($file)) {
/* ... make use of some xattr_* functions ... */
}
?>`

### Смотрите также

- xattr_get()
- xattr_list()

xattr Функции
xdiff
xattr Функции
PHP Manual