diff --git a/src/RaspAP/DotEnv/DotEnv.php b/src/RaspAP/DotEnv/DotEnv.php
new file mode 100644
index 00000000..edf3d906
--- /dev/null
+++ b/src/RaspAP/DotEnv/DotEnv.php
@@ -0,0 +1,66 @@
+<?php
+
+/**
+ * DotEnv parser/writer class
+ *
+ * @description Reads and sets key/value pairs to .env
+ * @author      Bill Zimmerman <billzimmerman@gmail.com>
+ * @license     https://github.com/raspap/raspap-webgui/blob/master/LICENSE
+ */
+
+declare(strict_types=1);
+
+namespace RaspAP\DotEnv;
+
+class DotEnv {
+    protected $envFile;
+    protected $data = [];
+
+    public function __construct($envFile = '.env') {
+        $this->envFile = $envFile;
+    }
+
+    public function load() {
+        if (file_exists($this->envFile)) {
+            $this->data = parse_ini_file($this->envFile);
+            foreach ($this->data as $key => $value) {
+                if (!getenv($key)) {
+                    putenv("$key=$value");
+                    $_ENV[$key] = $value;
+                }
+            }
+        } else {
+            throw new Exception(".env file '{$this->envFile}' not found.");
+        }
+    }
+
+    public function set($key, $value) {
+        $this->data[$key] = $value;
+        putenv("$key=$value");
+        $this->store($key, $value);
+    }
+
+    public function get($key) {
+        return getenv($key);
+    }
+
+    public function getAll() {
+        return $this->data;
+    }
+
+    public function unset($key) {
+        unset($_ENV[$key]);
+        return $this;
+    }
+
+    private function store($key, $value) {
+        $content = file_get_contents($this->envFile);
+        $content = preg_replace("/^$key=.*/m", "$key=$value", $content, 1, $count);
+        if ($count === 0) {
+            // if key doesn't exist, append it
+            $content .= "$key=$value\n";
+        }
+        file_put_contents($this->envFile, $content);
+    }
+}
+