XATTR_LIST(3) 1 XATTR_LIST(3)
xattr_list - Get a list of extended attributes
SYNOPSIS
array xattr_list (string $filename, [int $flags])
DESCRIPTION
This functions gets a list of names of extended attributes of a file.
Extended attributes have two different namespaces: user and root. The user namespace is available to all users, while the root namespace is
available only to users with root privileges. xattr operates on the user namespace by default, but this can be changed with the $flags
parameter.
PARAMETERS
o $filename
- The path of the file.
o $flags
-
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. |
| | |
+-----------------+---------------------------------------------------+
RETURN VALUES
This function returns an array with names of extended attributes.
EXAMPLES
Example #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:
";
foreach ($root_attributes as $attr_name) {
printf("%s
", $attr_name);
}
echo "
User attributes:
";
foreach ($attributes as $attr_name) {
printf("%s
", $attr_name);
}
?>
SEE ALSO
xattr_get(3).
PHP Documentation Group XATTR_LIST(3)
