1 files changed, 144 insertions, 0 deletions
diff --git a/src/helpers.php b/src/helpers.php
new file mode 100644
index 00000000..5a48498a
--- /dev/null
+++ b/src/helpers.php
@@ -0,0 +1,144 @@
+<?php
+// Some useful functions
+
+use Engelsystem\Application;
+use Engelsystem\Config\Config;
+use Engelsystem\Http\Request;
+use Engelsystem\Renderer\Renderer;
+use Engelsystem\Routing\UrlGenerator;
+use Symfony\Component\HttpFoundation\Session\SessionInterface;
+
+/**
+ * Get the global app instance
+ *
+ * @param string $id
+ * @return mixed
+ */
+function app($id = null)
+{
+    if (is_null($id)) {
+        return Application::getInstance();
+    }
+
+    return Application::getInstance()->get($id);
+}
+
+/**
+ * @param string $path
+ * @return string
+ */
+function base_path($path = '')
+{
+    return app('path') . (empty($path) ? '' : DIRECTORY_SEPARATOR . $path);
+}
+
+/**
+ * Get or set config values
+ *
+ * @param string|array $key
+ * @param mixed        $default
+ * @return mixed|Config
+ */
+function config($key = null, $default = null)
+{
+    $config = app('config');
+
+    if (empty($key)) {
+        return $config;
+    }
+
+    if (is_array($key)) {
+        $config->set($key);
+        return true;
+    }
+
+    return $config->get($key, $default);
+}
+
+/**
+ * @param string $path
+ * @return string
+ */
+function config_path($path = '')
+{
+    return app('path.config') . (empty($path) ? '' : DIRECTORY_SEPARATOR . $path);
+}
+
+/**
+ * @param string $key
+ * @param mixed  $default
+ * @return mixed
+ */
+function env($key, $default = null)
+{
+    $value = getenv($key);
+    if ($value === false) {
+        return $default;
+    }
+
+    return $value;
+}
+
+/**
+ * @param string $key
+ * @param mixed  $default
+ * @return Request|mixed
+ */
+function request($key = null, $default = null)
+{
+    $request = app('request');
+
+    if (is_null($key)) {
+        return $request;
+    }
+
+    return $request->input($key, $default);
+}
+
+/**
+ * @param string $key
+ * @param mixed  $default
+ * @return SessionInterface|mixed
+ */
+function session($key = null, $default = null)
+{
+    $session = app('session');
+
+    if (is_null($key)) {
+        return $session;
+    }
+
+    return $session->get($key, $default);
+}
+
+/**
+ * @param string $path
+ * @param array  $parameters
+ * @return UrlGenerator|string
+ */
+function url($path = null, $parameters = [])
+{
+    $urlGenerator = app('routing.urlGenerator');
+
+    if (is_null($path)) {
+        return $urlGenerator;
+    }
+
+    return $urlGenerator->to($path, $parameters);
+}
+
+/**
+ * @param string  $template
+ * @param mixed[] $data
+ * @return Renderer|string
+ */
+function view($template = null, $data = null)
+{
+    $renderer = app('renderer');
+
+    if (is_null($template)) {
+        return $renderer;
+    }
+
+    return $renderer->render($template, $data);
+}