Php/docs/function.xattr-supported
From Get docs
xattr_supported
(PECL xattr >= 1.0.0)
xattr_supported — Check if filesystem supports extended attributes
Description
xattr_supported
( string $filename
[, int $flags
= 0
] ) : bool
This functions checks if the filesystem holding the given file supports extended attributes. Read access to the file is required.
Parameters
filename
The path of the tested file.
flags
- {|
|+ Supported xattr flags
|
XATTR_DONTFOLLOW
| Do not follow the symbolic link but operate on symbolic link itself. |}
Return Values
This function returns TRUE
if filesystem supports extended attributes,
FALSE
if it doesn't and NULL
if it can't be determined (for example
wrong path or lack of permissions to file).
Examples
Example #1 xattr_supported() example
The following code checks if we can use extended attributes.
<?php$file = 'some_file';if (xattr_supported($file)) { /* ... make use of some xattr_* functions ... */}?>