Redirect withs

system/HTTP/RedirectResponse.php

@@ -160,6 +160,65 @@ public function with(string $key, $message)
 		return $this;
 	}
 
+	/**
+	 * Copies any cookies from the global Response instance
+	 * into this RedirectResponse. Useful when you've just
+	 * set a cookie but need ensure that's actually sent
+	 * with the response instead of lost.
+	 *
+	 * @return $this|RedirectResponse
+	 */
+	public function withCookies()
+	{
+		$cookies = service('response')->getCookies();
+
+		if (empty($cookies))
+		{
+			return $this;
+		}
+
+		foreach ($cookies as $cookie)
+		{
+			$this->setCookie(
+				$cookie['name'],
+				$cookie['value'],
+				$cookie['expires'],
+				$cookie['domain'],
+				$cookie['path'],
+				'', // prefix
+				$cookie['secure'],
+				$cookie['httponly']
+			);
+		}
+
+		return $this;
+	}
+
+	/**
+	 * Copies any headers from the global Response instance
+	 * into this RedirectResponse. Useful when you've just
+	 * set a header be need to ensure its actually sent
+	 * with the redirect response.
+	 *
+	 * @return $this|RedirectResponse
+	 */
+	public function withHeaders()
+	{
+		$headers = service('response')->getHeaders();
+
+		if (empty($headers))
+		{
+			return $this;
+		}
+
+		foreach ($headers as $name => $header)
+		{
+			$this->setHeader($name, $header->getValue());
+		}
+
+		return $this;
+	}
+
 	/**
 	 * Ensures the session is loaded and started.
 	 *

system/HTTP/Response.php

@@ -1014,6 +1014,16 @@ public function deleteCookie(string $name = '', string $domain = '', string $pat
 		return $this;
 	}
 
+	/**
+	 * Returns all cookies currently set.
+	 *
+	 * @return array
+	 */
+	public function getCookies()
+	{
+		return $this->cookies;
+	}
+
 	/**
 	 * Actually sets the cookies.
 	 */

tests/system/HTTP/RedirectResponseTest.php

@@ -213,4 +213,38 @@ public function testRedirectRouteBaseUrl()
 
 		Config::reset();
 	}
+
+	public function testWithCookies()
+	{
+		$_SESSION = [];
+
+		$baseResponse = service('response');
+		$baseResponse->setCookie('foo', 'bar');
+
+		$response = new RedirectResponse(new App());
+		$this->assertFalse($response->hasCookie('foo', 'bar'));
+
+		$response = $response->withCookies();
+
+		$this->assertTrue($response->hasCookie('foo', 'bar'));
+	}
+
+	public function testWithHeaders()
+	{
+		$_SESSION = [];
+
+		$baseResponse = service('response');
+		$baseResponse->setHeader('foo', 'bar');
+
+		$response = new RedirectResponse(new App());
+		$this->assertFalse($response->hasHeader('foo'));
+
+		$response = $response->withHeaders();
+
+		foreach ($baseResponse->getHeaders() as $name => $header)
+		{
+			$this->assertTrue($response->hasHeader($name));
+			$this->assertEquals($header->getValue(), $response->getHeader($name)->getValue());
+		}
+	}
 }

user_guide_src/source/changelogs/next.rst

@@ -5,9 +5,8 @@ Release Date: Not released
 
 **Next release of CodeIgniter4**
 
+Enhancements
+------------
 
-The list of changed files follows, with PR numbers shown.
-
-
-PRs merged:
------------
+- Two new functions were added to RedirectResponse, ``withHeaders()`` and ``withCookies()`` that copy the current
+    cookies and headers from the global Response instance.

user_guide_src/source/general/common_functions.rst

@@ -299,10 +299,16 @@ Miscellaneous Functions
 		// Set a flash message
 		return redirect()->back()->with('foo', 'message');
 
+		// Copies all cookies from global response instance
+		return redirect()->back()->withCookies();
+
+		// Copies all headers from the global response instance
+		return redirect()->back()->withHeaders();
+
 	When passing a URI into the function, it is treated as a reverse-route request, not a relative/full URI, treating
         it the same as using redirect()->route()::
 
-                // Go to a named/reverse-routed URI
+        // Go to a named/reverse-routed URI
 		return redirect('named_route');
 
 .. php:function:: remove_invisible_characters($str[, $urlEncoded = TRUE])

user_guide_src/source/outgoing/response.rst

@@ -525,3 +525,11 @@ The methods provided by the parent class that are available are:
 		Example::
 
 			$cookie = $response->getCookie($name);
+
+    .. php:method:: getCookies()
+
+        :rtype array
+
+        Returns all cookies currently set within the Response instance.
+        These are any cookies that you have specifically specified to set during the current
+        request only.