- Some more documentation made / fixed

src/Method/Request.php

@@ -7,10 +7,11 @@ use Picea\Extension\Extension,
 
 use Picea\Compiler\Context;
 
+use Picea\Extension\FunctionExtension;
 use Psr\Http\Message\RequestInterface;
 use Psr\Http\Message\ServerRequestInterface;
 
-class Request implements Extension {
+class Request implements Extension, FunctionExtension {
     use ExtensionTrait;
 
     public array $tokens;
@@ -21,20 +22,21 @@ class Request implements Extension {
 
     public function __construct(ServerRequestInterface $request, Context $context) {
         $this->request = $request;
-        $this->register($context);
     }
 
     public function parse(\Picea\Compiler\Context &$context, ?string $arguments, string $token) : string { }
 
-    public function register(Context $context) : void
+    public function exportFunctions(): array
     {
-        $context->pushFunction("cookie", [ $this, 'cookie' ]);
-        $context->pushFunction("get",  [ $this, 'get'  ]);
-        $context->pushFunction("post", [ $this, 'post' ]);
-        $context->pushFunction("request", [ $this, 'request' ]);
-        $context->pushFunction("server", [ $this, 'server' ]);
+        return [
+            "cookie" => [ $this, 'cookie' ],
+            "get" => [ $this, 'get' ],
+            "post" => [ $this, 'post' ],
+            "request" => [ $this, 'request' ],
+            "server" => [ $this, 'server' ],
+        ];
     }
-    
+
     public function cookie(? string $variableName = null, $default = null)
     {
         return $variableName === null ? $this->request->getCookieParams() : static::arrayGet($this->request->getCookieParams(), $variableName) ?? $default;