Rename $stack to $queue and push() to add() in MiddlewareStack.

src/Http/BaseApplication.php

@@ -43,7 +43,7 @@ public function __construct($configDir)
     }
 
     /**
-     * @param \Cake\Http\MiddlewareStack $middleware The middleware stack to set in your App Class
+     * @param \Cake\Http\MiddlewareStack $middleware The middleware queue to set in your App Class
      * @return \Cake\Http\MiddlewareStack
      */
     abstract public function middleware($middleware);

src/Http/MiddlewareStack.php

@@ -18,18 +18,17 @@
 use LogicException;
 
 /**
- * Provides methods for creating and manipulating a 'stack' of
- * middleware callables. This stack is used to process a request and response
- * via \Cake\Http\Runner.
+ * Provides methods for creating and manipulating a "queue" of middleware callables.
+ * This queue is used to process a request and response via \Cake\Http\Runner.
  */
 class MiddlewareStack implements Countable
 {
     /**
-     * The stack of middleware callables.
+     * The queue of middleware callables.
      *
      * @var array
      */
-    protected $stack = [];
+    protected $queue = [];
 
     /**
      * Get the middleware object at the provided index.
@@ -40,35 +39,35 @@ class MiddlewareStack implements Countable
      */
     public function get($index)
     {
-        if (isset($this->stack[$index])) {
-            return $this->stack[$index];
+        if (isset($this->queue[$index])) {
+            return $this->queue[$index];
         }
 
         return null;
     }
 
     /**
-     * Append a middleware callable to the end of the stack.
+     * Append a middleware callable to the end of the queue.
      *
      * @param callable $callable The middleware callable to append.
      * @return $this
      */
-    public function push(callable $callable)
+    public function add(callable $callable)
     {
-        $this->stack[] = $callable;
+        $this->queue[] = $callable;
 
         return $this;
     }
 
     /**
-     * Prepend a middleware callable to the start of the stack.
+     * Prepend a middleware callable to the start of the queue.
      *
      * @param callable $callable The middleware callable to prepend.
      * @return $this
      */
     public function prepend(callable $callable)
     {
-        array_unshift($this->stack, $callable);
+        array_unshift($this->queue, $callable);
 
         return $this;
     }
@@ -85,7 +84,7 @@ public function prepend(callable $callable)
      */
     public function insertAt($index, callable $callable)
     {
-        array_splice($this->stack, $index, 0, $callable);
+        array_splice($this->queue, $index, 0, $callable);
 
         return $this;
     }
@@ -95,7 +94,7 @@ public function insertAt($index, callable $callable)
      *
      * Finds the index of the first middleware that matches the provided class,
      * and inserts the supplied callable before it. If the class is not found,
-     * this method will behave like push().
+     * this method will behave like add().
      *
      * @param string $class The classname to insert the middleware before.
      * @param callable $callable The middleware to insert
@@ -104,7 +103,7 @@ public function insertAt($index, callable $callable)
     public function insertBefore($class, $callable)
     {
         $found = false;
-        foreach ($this->stack as $i => $object) {
+        foreach ($this->queue as $i => $object) {
             if (is_a($object, $class)) {
                 $found = true;
                 break;
@@ -121,7 +120,7 @@ public function insertBefore($class, $callable)
      *
      * Finds the index of the first middleware that matches the provided class,
      * and inserts the supplied callable after it. If the class is not found,
-     * this method will behave like push().
+     * this method will behave like add().
      *
      * @param string $class The classname to insert the middleware before.
      * @param callable $callable The middleware to insert
@@ -130,7 +129,7 @@ public function insertBefore($class, $callable)
     public function insertAfter($class, $callable)
     {
         $found = false;
-        foreach ($this->stack as $i => $object) {
+        foreach ($this->queue as $i => $object) {
             if (is_a($object, $class)) {
                 $found = true;
                 break;
@@ -140,7 +139,7 @@ public function insertAfter($class, $callable)
             return $this->insertAt($i + 1, $callable);
         }
 
-        return $this->push($callable);
+        return $this->add($callable);
     }
 
     /**
@@ -152,6 +151,6 @@ public function insertAfter($class, $callable)
      */
     public function count()
     {
-        return count($this->stack);
+        return count($this->queue);
     }
 }

src/Http/Runner.php

@@ -18,27 +18,27 @@
 use Psr\Http\Message\ServerRequestInterface;
 
 /**
- * Executes the middleware stack and provides the `next` callable
- * that allows the stack to be iterated.
+ * Executes the middleware queue and provides the `next` callable
+ * that allows the queue to be iterated.
  */
 class Runner
 {
     /**
-     * The current index in the middleware stack.
+     * The current index in the middleware queue.
      *
      * @var int
      */
     protected $index;
 
     /**
-     * The middleware stack being run.
+     * The middleware queue being run.
      *
      * @var MiddlewareStack
      */
     protected $middleware;
 
     /**
-     * @param \Cake\Http\MiddlewareStack $middleware The middleware stack
+     * @param \Cake\Http\MiddlewareStack $middleware The middleware queue
      * @param \Psr\Http\Message\ServerRequestInterface $request The Server Request
      * @param \Psr\Http\Message\ResponseInterface $response The response
      * @return \Psr\Http\Message\ResponseInterface A response object
@@ -65,7 +65,7 @@ public function __invoke(ServerRequestInterface $request, ResponseInterface $res
             return $next($request, $response, $this);
         }
 
-        // End of the stack
+        // End of the queue
         return $response;
     }
 }

src/Http/Server.php

@@ -60,7 +60,7 @@ public function __construct(BaseApplication $app)
      * - App->middleware() - Attach any application middleware here.
      * - Trigger the 'Server.buildMiddleware' event. You can use this to modify the
      *   from event listeners.
-     * - Run the middleware stack including the application.
+     * - Run the middleware queue including the application.
      *
      * @param \Psr\Http\Message\ServerRequestInterface $request  The request to use or null.
      * @param \Psr\Http\Message\ResponseInterface      $response The response to use or null.
@@ -75,10 +75,10 @@ public function run(ServerRequestInterface $request = null, ResponseInterface $r
 
         $middleware = $this->app->middleware(new MiddlewareStack());
         if (!($middleware instanceof MiddlewareStack)) {
-            throw new RuntimeException('The application `middleware` method did not return a middleware stack.');
+            throw new RuntimeException('The application `middleware` method did not return a middleware queue.');
         }
         $this->dispatchEvent('Server.buildMiddleware', ['middleware' => $middleware]);
-        $middleware->push($this->app);
+        $middleware->add($this->app);
         $response = $this->runner->run($middleware, $request, $response);
 
         if (!($response instanceof ResponseInterface)) {

tests/TestCase/Http/MiddlewareStackTest.php

@@ -33,14 +33,14 @@ public function testGet()
         $stack = new MiddlewareStack();
         $cb = function () {
         };
-        $stack->push($cb);
+        $stack->add($cb);
         $this->assertSame($cb, $stack->get(0));
         $this->assertNull($stack->get(1));
     }
 
 
     /**
-     * Test the return value of push()
+     * Test the return value of add()
      *
      * @return void
      */
@@ -49,11 +49,11 @@ public function testPushReturn()
         $stack = new MiddlewareStack();
         $cb = function () {
         };
-        $this->assertSame($stack, $stack->push($cb));
+        $this->assertSame($stack, $stack->add($cb));
     }
 
     /**
-     * Test the push orders correctly
+     * Test the add orders correctly
      *
      * @return void
      */
@@ -67,10 +67,10 @@ public function testPushOrdering()
         $stack = new MiddlewareStack();
         $this->assertCount(0, $stack);
 
-        $stack->push($one);
+        $stack->add($one);
         $this->assertCount(1, $stack);
 
-        $stack->push($two);
+        $stack->add($two);
         $this->assertCount(2, $stack);
 
         $this->assertSame($one, $stack->get(0));
@@ -105,7 +105,7 @@ public function testPrependOrdering()
         $stack = new MiddlewareStack();
         $this->assertCount(0, $stack);
 
-        $stack->push($one);
+        $stack->add($one);
         $this->assertCount(1, $stack);
 
         $stack->prepend($two);
@@ -130,13 +130,13 @@ public function testInsertAt()
         };
 
         $stack = new MiddlewareStack();
-        $stack->push($one)->push($two)->insertAt(0, $three);
+        $stack->add($one)->add($two)->insertAt(0, $three);
         $this->assertSame($three, $stack->get(0));
         $this->assertSame($one, $stack->get(1));
         $this->assertSame($two, $stack->get(2));
 
         $stack = new MiddlewareStack();
-        $stack->push($one)->push($two)->insertAt(1, $three);
+        $stack->add($one)->add($two)->insertAt(1, $three);
         $this->assertSame($one, $stack->get(0));
         $this->assertSame($three, $stack->get(1));
         $this->assertSame($two, $stack->get(2));
@@ -155,7 +155,7 @@ public function testInsertAtOutOfBounds()
         };
 
         $stack = new MiddlewareStack();
-        $stack->push($one)->insertAt(99, $two);
+        $stack->add($one)->insertAt(99, $two);
 
         $this->assertCount(2, $stack);
         $this->assertSame($one, $stack->get(0));
@@ -175,7 +175,7 @@ public function testInsertAtNegative()
         };
 
         $stack = new MiddlewareStack();
-        $stack->push($one)->insertAt(-1, $two);
+        $stack->add($one)->insertAt(-1, $two);
 
         $this->assertCount(2, $stack);
         $this->assertSame($two, $stack->get(0));
@@ -195,7 +195,7 @@ public function testInsertBefore()
         $three = function () {
         };
         $stack = new MiddlewareStack();
-        $stack->push($one)->push($two)->insertBefore(SampleMiddleware::class, $three);
+        $stack->add($one)->add($two)->insertBefore(SampleMiddleware::class, $three);
 
         $this->assertCount(3, $stack);
         $this->assertSame($one, $stack->get(0));
@@ -218,7 +218,7 @@ public function testInsertBeforeInvalid()
         $three = function () {
         };
         $stack = new MiddlewareStack();
-        $stack->push($one)->push($two)->insertBefore('InvalidClassName', $three);
+        $stack->add($one)->add($two)->insertBefore('InvalidClassName', $three);
     }
 
     /**
@@ -234,7 +234,7 @@ public function testInsertAfter()
         $three = function () {
         };
         $stack = new MiddlewareStack();
-        $stack->push($one)->push($two)->insertAfter(SampleMiddleware::class, $three);
+        $stack->add($one)->add($two)->insertAfter(SampleMiddleware::class, $three);
 
         $this->assertCount(3, $stack);
         $this->assertSame($one, $stack->get(0));
@@ -255,7 +255,7 @@ public function testInsertAfterInvalid()
         $three = function () {
         };
         $stack = new MiddlewareStack();
-        $stack->push($one)->push($two)->insertAfter('InvalidClass', $three);
+        $stack->add($one)->add($two)->insertAfter('InvalidClass', $three);
 
         $this->assertCount(3, $stack);
         $this->assertSame($one, $stack->get(0));

tests/TestCase/Http/RunnerTest.php

@@ -54,7 +54,7 @@ public function setUp()
      */
     public function testRunSingle()
     {
-        $this->stack->push($this->ok);
+        $this->stack->add($this->ok);
         $req = $this->getMockBuilder('Psr\Http\Message\ServerRequestInterface')->getMock();
         $res = $this->getMockBuilder('Psr\Http\Message\ResponseInterface')->getMock();
 
@@ -75,7 +75,7 @@ public function testRunResponseReplace()
 
             return $next($req, $res);
         };
-        $this->stack->push($one);
+        $this->stack->add($one);
         $runner = new Runner();
 
         $req = $this->getMockBuilder('Psr\Http\Message\ServerRequestInterface')->getMock();
@@ -109,7 +109,7 @@ public function testRunSequencing()
 
             return $next($req, $res);
         };
-        $this->stack->push($one)->push($two)->push($three);
+        $this->stack->add($one)->add($two)->add($three);
         $runner = new Runner();
 
         $req = $this->getMockBuilder('Psr\Http\Message\ServerRequestInterface')->getMock();
@@ -130,7 +130,7 @@ public function testRunSequencing()
      */
     public function testRunExceptionInMiddleware()
     {
-        $this->stack->push($this->ok)->push($this->fail);
+        $this->stack->add($this->ok)->add($this->fail);
         $req = $this->getMockBuilder('Psr\Http\Message\ServerRequestInterface')->getMock();
         $res = $this->getMockBuilder('Psr\Http\Message\ResponseInterface')->getMock();
 
@@ -145,7 +145,7 @@ public function testRunExceptionInMiddleware()
      */
     public function testRunNextNotCalled()
     {
-        $this->stack->push($this->noNext);
+        $this->stack->add($this->noNext);
         $req = $this->getMockBuilder('Psr\Http\Message\ServerRequestInterface')->getMock();
         $res = $this->getMockBuilder('Psr\Http\Message\ResponseInterface')->getMock();
 

tests/TestCase/Http/ServerTest.php

@@ -185,7 +185,7 @@ public function testBuildMiddlewareEvent()
 
         $server->eventManager()->on('Server.buildMiddleware', function ($event, $middleware) {
             $this->assertInstanceOf('Cake\Http\MiddlewareStack', $middleware);
-            $middleware->push(function ($req, $res, $next) {
+            $middleware->add(function ($req, $res, $next) {
                 $this->called = true;
 
                 return $next($req, $res);

tests/test_app/TestApp/Http/BadResponseApplication.php

@@ -13,7 +13,7 @@ class BadResponseApplication extends BaseApplication
      */
     public function middleware($middleware)
     {
-        $middleware->push(function ($req, $res, $next) {
+        $middleware->add(function ($req, $res, $next) {
             return 'Not a response';
         });