Laravel file ovveride

.php

<?php


 public function get_dir(Request $request)
    {

        $root = base_path() . DIRECTORY_SEPARATOR;
        // "C:\Users\fizikci\Desktop\dev\la1\"

        $postDir = rawurldecode(base_path($request->get('dir')));


        if (file_exists($postDir))
        {
            $files = scandir($postDir);
           //  dd($files);

            $returnDir = substr($postDir, strlen($root));

            natcasesort($files);


            if (count($files) > 2)
            { // The 2 accounts for . and ..
                echo "<ul class='jqueryFileTree'>";
                foreach ($files as $file)
                {
                    $htmlRel = htmlentities($returnDir . $file);

                    $htmlName = htmlentities($file);
                    $ext = preg_replace('/^.*\./', '', $file);
                    if (file_exists($postDir . $file) && $file != '.' && $file != '..')
                    {
                        if (is_dir($postDir . $file))
                        {
                            echo "<li class='directory collapsed'><a rel='" . $htmlRel . "/'>" . $htmlName . "</a></li>";
                        }
                        else
                        {
                            echo "<li class='file ext_{$ext}'><a rel='" . $htmlRel . "'>" . $htmlName . "</a></li>";
                        }
                    }
                }
                echo "</ul>";
            }
        }
    }