Pop\File\Dir::getPermissions PHP Метод

    public function getPermissions()
    {
        return DIRECTORY_SEPARATOR == '/' ? substr(sprintf('%o', fileperms($this->path)), -3) : null;
    }

 public function testGetAndSetPermissions()
 {
     $d = new Dir(__DIR__ . '/../tmp/');
     $this->assertEquals(777, $d->getPermissions());
     $d->setPermissions(0775, true);
     $this->assertEquals(775, $d->getPermissions());
     $d->setPermissions(0777);
 }