How to tell if the directory contains files, not empty directories

How to tell if the directory contains files, not empty directories
This post was last edited by maniachhz on 2012-11-17 11:40:04

I want to determine if the directory/upload contains files (not directories), but I create a new test directory under/upload (no files), the program executes the result is "not empty", not "empty". Where is the problem, please? Ask for advice

/*
* Traverse directory, if NULL returns false
*/
function Isemptydir ($path)
{
$DH = Opendir ($path);
$r = false;
while (false!== ($f =readdir ($DH)))
{
if ($f!== "." && $f!== ":" && Is_dir ($f)) {
Isemptydir ($f);
}
else if ($f!== "." && $f!== "..")
return $r = true;
}
Closedir ($DH);
return $r;
}

if (Isemptydir ($upload _dir. /")){
echo "Not Empty";
}
else echo "is empty";

------Solution--------------------
Logically, you have no idea:

if ($f!== "." && $f!== ":" && Is_dir ($f)) {
     Suppose you go into this branch and think about what effect it will have? This code does not affect the final result.
     Isemptydir ($f);
     Return Isemptydir ($f);
}

------Solution--------------------

function Isemptydir ($path)
{
    $DH = Opendir ($path. ' /');
    $r = false;
    while (false!== ($f =readdir ($DH)))
    {
        
------Solution--------------------
$f = = "..") Continue
        $f = "$path/$f";
        if (Is_dir ($f)) {
            $r = Isemptydir ($f);
        }
        else $r = true;
    }
    Closedir ($DH);
    return $r;
}

------Solution--------------------
References: Owner

's code perfect
I modified the function I wrote above. It's still not working. I don't know what's wrong.
PHP code?123456789101112131415161718192021/* * Traverses the directory if NULL returns false */function Isemptydir ($path) {$DH = Opendir ($path. ' /'); $r = false; Wh ...

if ($f!== "." && $f!== ":" && Is_dir ($subdir)) {
            Isemptydir ($subdir);//change to "= Isemptydir ($subdir);
        }

------Solution--------------------
Citation:

the code perfect
I modified the function I wrote above. It's still not working. I don't know what's wrong.
PHP code?123456789101112131415161718192021/* * Traverses the directory if NULL returns false */function Isemptydir ($path) {$DH = Opendir ($path. ' /'); $r = false; Wh ...

Someone has to take the return value of the recursive call!

