patternseek / dependencyinjector

     * @param $methodName

     * @return mixed The method's return value

     */

    public function injectIntoMethod( $object, $methodName = "injectDependencies" ){

        $ref = new \ReflectionClass($object);

        try{

            $refMethod = $ref->getMethod( $methodName );

        }catch( ReflectionException  $e ){

            return null;

        }

        $toInject = [];

        foreach ($refMethod->getParameters() as $p) {

            $className = $p->getClass()->name;

            if( $className === "Pimple\\Container" ){

                $toInject[] = $this->container;

            }else{

                $toInject[] = $this->container[ $className ];

            }

        }

        return $refMethod->invoke( $object, ... $toInject );

    }

    /**

     * Inject dependencies from, or including, the Pimple container, into a a given class's constructor

     * @param array $toInject

     * @return bool Whether the method was found

     */

    public function injectIntoConstructor( $classToBuildName, array $toInject=[] ){

        $ref = new \ReflectionClass($classToBuildName);

        try{

            $constr = $ref->getConstructor();

        }catch( ReflectionException  $e ){

            return null;

        }

        $numToSkip = count($toInject);

        foreach ($constr->getParameters() as $p) {

            if( $numToSkip > 0 ){

                $numToSkip--;

                continue;

            }

            $classToInjectName = $p->getClass()->name;

            if( $classToInjectName === "Pimple\\Container" ){

                $toInject[] = $this->container;

            }else{

                $toInject[] = $this->container[ $classToInjectName ];

            }

        }

        return new $classToBuildName( ... $toInject );

    }

}