Determine whether the directory is empty

//Determine whether the directory is empty, true is empty, false is not empty

function is_empty_dir($fp)

{

$H = @ opendir($fp);

$i=0;

while ($_file=readdir($H)){

$i++;

}

closedir($H);

if($i>2){

return false;

}else{

return true;

}

}