nalaganje slike vrne črno sliko

1 naročnik

Pozdravljeni!

Zanima me, zakaj mi skripta, vrne(naloži) črno sliko. Vse se je zgodilo, ko je bila stran preseljena iz enega serverja na drugega. Sliko pomanjša, preimenuje.. vse vredu a slika je črna. Skripta:

$maxsize = 1024 * 768;
$filetypes = array ("image/jpeg", "image/pjpeg", "image/png", "image/x-png", "image/gif");

for ($i = 0; $i < count ($_FILES['fajl']['name']); $i++) {
    $filename = $_FILES['fajl']['name'][$i];
    $filesize = $_FILES['fajl']['size'][$i];
    $filetype = $_FILES['fajl']['type'][$i];
    $filetemp = $_FILES['fajl']['tmp_name'][$i];

    if ($filename != "") {
        if ($filesize > $maxsize) {
            unlink($filetemp);
            $result = false;
            $fileimgx = 3;
        } else {
            if (!in_array($filetype, $filetypes)) {
                unlink($filetemp);
                $result = false;
                $fileimgx = 4;
            } else {
                switch ($filetype) {
                    case $filetypes[0]:
                    case $filetypes[1]:
                        $fileimgx = word().".jpg";
                        move_uploaded_file($filetemp, BASEDIR.$fileimgx);
                        imagejpeg(thumb(imagecreatefromjpeg(BASEDIR.$fileimgx)), IMAGES.$fileimgx);
                        break;
                    case $filetypes[2]:
                    case $filetypes[3]:
                        $fileimgx = word().".png";
                        move_uploaded_file($filetemp, BASEDIR.$fileimgx);
                        imagejpeg(thumb(imagecreatefrompng(BASEDIR.$fileimgx)), IMAGES.$fileimgx);
                        break;
                    case $filetypes[4]:
                        $fileimgx = word().".gif";
                        move_uploaded_file($filetemp, BASEDIR.$fileimgx);
                        imagejpeg(thumb(imagecreatefromgif(BASEDIR.$fileimgx)), IMAGES.$fileimgx);
                        break;
                }
            }
        }
    }
}

@unlink(BASEDIR.$fileimgx);

Funkciji:

function word() {
    $length = 6;
    $pattern = "1234567890abcdefghijklmnopqrstuvwxyz";

    for ($i = 0; $i < $length; $i++) {
        if (isset ($key)) $key .= $pattern{rand (0, 35)};
        else $key = $pattern{rand (0, 35)};
    }

    return $key;
}

function thumb($img) {
    $w = 50; $h = 50;
    $copy = imagecreatetruecolor ($w, $h);
    imagecopyresampled ($copy, $img, 0, 0, 0, 0, $w, $h, imagesx ($img), imagesy ($img));
    imagedestroy ($img);

    return $copy;
}

Hvala za odgovore!

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