每天laravel-20160812| Container -15

/** * Resolve the given type from the container. * * @param string $abstract * @param array $parameters * @return mixed */ // get the given type from the containerpublic function make($abstract, array $parameters = []){// this function name "make" like compile c file to binary file in the linux $abstract = $this->getAlias($this->normalize($abstract)); // first get the alias as the new name // If an instance of the type is currently being managed as a singleton we'll // just return an existing instance instead of instantiating new instances // so the developer can keep using the same objects instance every time. if (isset($this->instances[$abstract])) { return $this->instances[$abstract]; }// like normal method // if it is exist ,we will return it, that ok; $concrete = $this->getConcrete($abstract);// concrete like create it done // We're ready to instantiate an instance of the concrete type registered for // the binding. This will instantiate the types, as well as resolve any of // its "nested" dependencies recursively until all have gotten resolved. if ($this->isBuildable($concrete, $abstract)) {// isBuildable $object = $this->build($concrete, $parameters);// check it is can be Builda } else { $object = $this->make($concrete, $parameters); } // If we defined any extenders for this type, we'll need to spin through them // and apply them to the object being built. This allows for the extension // of services, such as changing configuration or decorating the object. foreach ($this->getExtenders($abstract) as $extender) { $object = $extender($object, $this); }// to though , a extender done is too trouble // If the requested type is registered as a singleton we'll want to cache off // the instances in "memory" so we can return it later without creating an // entirely new instance of an object on each subsequent request for it. if ($this->isShared($abstract)) { $this->instances[$abstract] = $object; }// get the instance from the "memory" $this->fireResolvingCallbacks($abstract, $object); $this->resolved[$abstract] = true; return $object;}// in the last we will found it is a compatible way to get you want object./** * Get the concrete type for a given abstract. * * @param string $abstract * @return mixed $concrete */protected function getConcrete($abstract){// get a Concrete type for a abstract if (! is_null($concrete = $this->getContextualConcrete($abstract))) { return $concrete; }// if you can get it ,then return it // otherwise see next // If we don't have a registered resolver or concrete for the type, we'll just // assume each type is a concrete name and will attempt to resolve it as is // since the container should be able to resolve concretes automatically. if (! isset($this->bindings[$abstract])) { return $abstract; }// return it back return $this->bindings[$abstract]['concrete'];}//last we will binding it