Allowed memory size of 67108864 bytes exhausted

move_uploaded_file($_FILES['foto']['tmp_name'][$a], $uploadfile);
    //------------------------------------------
    list($width, $height) = getimagesize($uploadfile);
    $newfile = imagecreatefromjpeg($uploadfile); //51 строка

$url_translit = array(
            'а' => 'a', 'б' => 'b', 'в' => 'v',
            'г' => 'g', 'д' => 'd', 'е' => 'e',
            'ё' => 'yo', 'ж' => 'zh', 'з' => 'z',
            'и' => 'i', 'й' => 'j', 'к' => 'k',
            'л' => 'l', 'м' => 'm', 'н' => 'n',
            'о' => 'o', 'п' => 'p', 'р' => 'r',
            'с' => 's', 'т' => 't', 'у' => 'u',
            'ф' => 'f', 'х' => 'x', 'ц' => 'c',
            'ч' => 'ch', 'ш' => 'sh', 'щ' => 'shh',
            'ь' => '\'', 'ы' => 'y', 'ъ' => '\'\'',
            'э' => 'e\'', 'ю' => 'yu', 'я' => 'ya',
            'А' => 'A', 'Б' => 'B', 'В' => 'V',
            'Г' => 'G', 'Д' => 'D', 'Е' => 'E',
            'Ё' => 'Yo', 'Ж' => 'Zh', 'З' => 'Z',
            'И' => 'I', 'Й' => 'J', 'К' => 'K',
            'Л' => 'L', 'М' => 'M', 'Н' => 'N',
            'О' => 'O', 'П' => 'P', 'Р' => 'R',
            'С' => 'S', 'Т' => 'T', 'У' => 'U',
            'Ф' => 'F', 'Х' => 'X', 'Ц' => 'C',
            'Ч' => 'Ch', 'Ш' => 'Sh', 'Щ' => 'Shh',
            'Ь' => '\'', 'Ы' => 'Y\'', 'Ъ' => '\'\'',
            'Э' => 'E\'', 'Ю' => 'Yu', 'Я' => 'Ya',
            ' ' => '-'
        );
    $lat_hotelname = strtr($name, $url_translit);   
    $uploaddir = '.hotel/'.$lat_hotelname.'/';
    if (!file_exists($uploaddir)){
        mkdir($uploaddir, 0777);
    }
    for($a=0; $a<7; $a++){
        if($_FILES['foto']['error'][$a] !== 4){
            $lat_filename = strtr($_FILES['foto']['name'][$a], $url_translit);
            $uploadfile = $uploaddir.$lat_filename;//orgfile
            var_dump($_FILES['foto']['name'][$a]);
            move_uploaded_file($_FILES['foto']['tmp_name'][$a], $uploadfile);
            //------------------------------------------
            list($width, $height) = getimagesize($uploadfile);
            $newfile = imagecreatefromjpeg($uploadfile);
            $newwidth = $width * 0.5;
            $newheight = $height * 0.5;
            $thumb = $uploaddir.'ztk'.$lat_filename;//orgfile
            $truecolor = imagecreatetruecolor($newwidth, $newheight);
            imagecopyresampled($truecolor,$newfile,0,0,0,0,$newwidth,$newheight,$width,$height);
            imagejpeg($truecolor,$thumb,100);
            unlink($uploadfile);
        }
    }

foreach ($_FILES["foto"]["error"] as $key => $error) {
        if ($error == UPLOAD_ERR_OK) {
            $lat_filename = strtr($_FILES['foto']['name'][$key], $url_translit);
            $uploadfile = $uploaddir.$lat_filename;//orgfile
            var_dump($_FILES['foto']['size'][$key]);
            move_uploaded_file($_FILES['foto']['tmp_name'][$key], $uploadfile);
            //------------------------------------------
            list($width, $height) = getimagesize($uploadfile);
            $newfile = imagecreatefromjpeg($uploadfile);
            $newwidth = $width * 0.5;
            $newheight = $height * 0.5;
            $thumb = $uploaddir.'ztk'.$lat_filename;//orgfile
            $truecolor = imagecreatetruecolor($newwidth, $newheight);
            imagecopyresampled($truecolor,$newfile,0,0,0,0,$newwidth,$newheight,$width,$height);
            imagejpeg($truecolor,$thumb,100);
            unlink($uploadfile);
        }
    }

imagecopyresampled($truecolor,$newfile,0,0,0,0,$newwidth,$newheight,$width,$height);
imagejpeg($truecolor,$thumb,100);
imagedestroy($uploadfile);
unlink($uploadfile);

var_dump($_FILES, memory_get_usage());

imagedestroy($truecolor);

move_uploaded_file($_FILES['foto']['tmp_name'][$key], $uploadfile);
            var_dump(memory_get_usage());

ini_set('memory_limit', '512M');