From bcdc530391f06844e6725980c7e5eac62a9ba074 Mon Sep 17 00:00:00 2001
From: dogmatic69 <dogmatic69@gmail.com>
Date: Sun, 25 May 2014 00:52:30 +0100
Subject: [PATCH] adding support to write values to param like can be done with
 data(), method returns $this as does ->data() when writing

---
 lib/Cake/Network/CakeRequest.php              |  5 ++++
 .../Test/Case/Network/CakeRequestTest.php     | 25 +++++++++++++++++++
 2 files changed, 30 insertions(+)

diff --git a/lib/Cake/Network/CakeRequest.php b/lib/Cake/Network/CakeRequest.php
index 5ee40b0a0..64f16224d 100644
--- a/lib/Cake/Network/CakeRequest.php
+++ b/lib/Cake/Network/CakeRequest.php
@@ -874,6 +874,11 @@ class CakeRequest implements ArrayAccess {
  *   return false if the parameter doesn't exist or is falsey.
  */
 	public function param($name) {
+		$args = func_get_args();
+		if (count($args) === 2) {
+			$this->params = Hash::insert($this->params, $name, $args[1]);
+			return $this;
+		}
 		if (!isset($this->params[$name])) {
 			return Hash::get($this->params, $name, false);
 		}
diff --git a/lib/Cake/Test/Case/Network/CakeRequestTest.php b/lib/Cake/Test/Case/Network/CakeRequestTest.php
index 2309d2f94..bebc70ea7 100644
--- a/lib/Cake/Test/Case/Network/CakeRequestTest.php
+++ b/lib/Cake/Test/Case/Network/CakeRequestTest.php
@@ -2114,6 +2114,31 @@ class CakeRequestTest extends CakeTestCase {
 		);
 	}
 
+	public function testParamWriting() {
+		$request = new CakeRequest('/');
+		$request->addParams(array(
+			'action' => 'index',
+		));
+
+		$this->assertInstanceOf('CakeRequest', $request->param('some', 'thing'), 'Method has not returned $this');
+
+		$request->param('Post.null', null);
+		$this->assertNull($request->params['Post']['null']);
+
+		$request->param('Post.false', false);
+		$this->assertFalse($request->params['Post']['false']);
+
+		$request->param('Post.zero', 0);
+		$this->assertSame(0, $request->params['Post']['zero']);
+
+		$request->param('Post.empty', '');
+		$this->assertSame('', $request->params['Post']['empty']);
+
+		$this->assertSame('index', $request->action);
+		$request->param('action', 'edit');
+		$this->assertSame('edit', $request->action);
+	}
+
 /**
  * Test accept language
  *