xattr_supported
(no version information, might be only in CVS)
xattr_supported --
Check if filesystem supports extended attributes
Descripción
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.
Lista de parámetros
- filename
The path of the tested file.
- flags
Tabla 1. Supported xattr flags
XATTR_DONTFOLLOW | Do not follow the symbolic link but operate on symbolic link itself. |
Valores retornados
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).
Ejemplos
Ejemplo 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 ... */ }
?>
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