Function encode

function encode_start(array $list) {
        $code = "";

            for($i=0; $i < (count($list)-1); $i++) {
                $content = file_get_contents($list[$i]);
                $arr1 = explode("/", $list);
                $name = $arr1[count($arr1)-1];
                $letters = str_split($content);
                for($j=0; $j < (count($letters)-1); $j++) {
                    if($j = (count($letters)-1)) {
                        $code .= char::ord($letters[$j])."./FLN:".base64_encode($name)."|";
                        $this->progressBar->progress = count($letters) / 100 * ($j+1);
                        $this->label3->text = "Обработка файла: ".$j."/".count($letters)-1;
                    } else {
                        $code .= char::ord($letters[$j]).".";
                        $this->progressBar->progress = count($letters) / 100 * ($j+1);
                        $this->label3->text = "Обработка файла: ".$j."/".count($letters)-1;
                    }
                }
                $this->progress->progress = count($list) / 100 * ($i+1);
                $this->encode_label->text = "Готовы файлы: ".$i."/".count($list)-1;
            }
        file_put_contents($this->edit->text.".tns", $code);
        Animation::fadeOut($this->progress,500);
        Animation::fadeOut($this->progressBar,500);
        Animation::fadeOut($this->encode,500);
        Animation::fadeOut($this->encode_label,500);
        Animation::fadeOut($this->label3,500);
    }