Renamed CakeRequest::onlyAllow() to CakeRequest::allowMethod().

Existing name is unintuitive and it's not easily apparent what
the method does. Closes #2803

lib/Cake/Network/CakeRequest.php

@@ -909,23 +909,23 @@ class CakeRequest implements ArrayAccess {
 	}
 
 /**
- * Only allow certain HTTP request methods, if the request method does not match
+ * Allow only certain HTTP request methods. If the request method does not match
  * a 405 error will be shown and the required "Allow" response header will be set.
  *
  * Example:
  *
- * $this->request->onlyAllow('post', 'delete');
+ * $this->request->allowMethod('post', 'delete');
  * or
- * $this->request->onlyAllow(array('post', 'delete'));
+ * $this->request->allowMethod(array('post', 'delete'));
  *
  * If the request would be GET, response header "Allow: POST, DELETE" will be set
- * and a 405 error will be returned
+ * and a 405 error will be returned.
  *
- * @param string|array $methods Allowed HTTP request methods
+ * @param string|array $methods Allowed HTTP request methods.
  * @return boolean true
  * @throws MethodNotAllowedException
  */
-	public function onlyAllow($methods) {
+	public function allowMethod($methods) {
 		if (!is_array($methods)) {
 			$methods = func_get_args();
 		}
@@ -941,6 +941,22 @@ class CakeRequest implements ArrayAccess {
 	}
 
 /**
+ * Alias of CakeRequest::allowMethod() for backwards compatibility.
+ *
+ * @see CakeRequest::allowMethod()
+ * @deprecated 2.5 Use CakeRequest::allowMethod() instead.
+ * @param string|array $methods Allowed HTTP request methods.
+ * @return boolean true
+ * @throws MethodNotAllowedException
+ */
+	public function onlyAllow($methods) {
+		if (!is_array($methods)) {
+			$methods = func_get_args();
+		}
+		return $this->allowMethod($methods);
+	}
+
+/**
  * Read data from php://input, mocked in tests.
  *
  * @return string contents of php://input

lib/Cake/Test/Case/Network/CakeRequestTest.php

@@ -2221,38 +2221,44 @@ XML;
 	}
 
 /**
- * Test onlyAllow method
+ * Test allowMethod method
  *
  * @return void
  */
-	public function testOnlyAllow() {
+	public function testAllowMethod() {
 		$_SERVER['REQUEST_METHOD'] = 'PUT';
 		$request = new CakeRequest('/posts/edit/1');
 
+		$this->assertTrue($request->allowMethod(array('put')));
+
+		// BC check
 		$this->assertTrue($request->onlyAllow(array('put')));
 
 		$_SERVER['REQUEST_METHOD'] = 'DELETE';
+		$this->assertTrue($request->allowMethod('post', 'delete'));
+
+		// BC check
 		$this->assertTrue($request->onlyAllow('post', 'delete'));
 	}
 
 /**
- * Test onlyAllow throwing exception
+ * Test allowMethod throwing exception
  *
  * @return void
  */
-	public function testOnlyAllowException() {
+	public function testAllowMethodException() {
 		$_SERVER['REQUEST_METHOD'] = 'PUT';
 		$request = new CakeRequest('/posts/edit/1');
 
 		try {
-			$request->onlyAllow('POST', 'DELETE');
+			$request->allowMethod('POST', 'DELETE');
 			$this->fail('An expected exception has not been raised.');
 		} catch (MethodNotAllowedException $e) {
 			$this->assertEquals(array('Allow' => 'POST, DELETE'), $e->responseHeader());
 		}
 
 		$this->setExpectedException('MethodNotAllowedException');
-		$request->onlyAllow('POST');
+		$request->allowMethod('POST');
 	}
 
 /**