src/Container/Container.php
public function get($className, array $parameters = [])
    {
        if ($this->injectSelf($className)) {
            return $this;
        }

        $parameterKey = $this->getParameterStoreKey($parameters);

        $className = $this->resolve($className);

        if (!isset($this->services[$className][$parameterKey])) {
            $this->services[$className][$parameterKey] = $this->create($className, $parameters);
        }

        return $this->services[$className][$parameterKey];
    }
public function get($className, array $parameters = [])
    {
        if ($this->injectSelf($className)) {
            return $this;
        }

        $parameterKey = $this->getParameterStoreKey($parameters);

        $className = $this->resolve($className);

        if (!isset($this->services[$className][$parameterKey])) {
            $this->services[$className][$parameterKey] = $this->create($className, $parameters);
        }

        return $this->services[$className][$parameterKey];
    }
Fetch a service with supplied parameters.
This method will call create for a new service and store them for later use.

@param string $className
@param array $parameters
@return object
@throws RuntimeException