update : 2015.11.03
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Check if filesystem supports extended attributes
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 함수 목록
PHP Manual