Symfony\Component\DependencyInjection\Compiler\PassConfig::getPasses PHP Method

    public function getPasses()
    {
        return array_merge(
            array($this->mergePass),
            $this->beforeOptimizationPasses,
            $this->optimizationPasses,
            $this->beforeRemovingPasses,
            $this->removingPasses,
            $this->afterRemovingPasses
        );
    }