xattr_set
xdiff
xattr 함수 목록
PHP Manual

# xattr_supported

(PECL xattr >= 1.0.0)

xattr_supported — Check if filesystem supports extended attributes

### 설명

bool xattr_supported ( string `$filename` [, int `$flags`= 0 ] )

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

### 인수

`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.

### 반환값

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).

### 예제

Example #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 ... */
}
?>`

### 참고

- xattr_get() - Get an extended attribute
- xattr_list() - Get a list of extended attributes

xattr_set
xdiff
xattr 함수 목록
PHP Manual