天气不错

<?php

namespace ImageOptimizer;

use ImageOptimizer\Exception\Exception;

use Psr\Log\LoggerInterface;

class ChainOptimizer implements Optimizer

{

    private $optimizers;

    private $executeFirst;

    private $logger;

    public function __construct(array $optimizers, $executeFirst, LoggerInterface $logger)

    {

        $this->optimizers = $optimizers;

        $this->executeFirst = (boolean) $executeFirst;

        $this->logger = $logger;

    }