think\middleware\CheckRequestCache::handle()

Complexity

Conditions	4
Paths	4

Size

Total Lines	18
Code Lines	9

Duplication

Lines	0
Ratio	0 %

Importance

Changes

0

<?php
    public function handle($request, Closure $next)
    {
        $cache = $request->cache();

        if ($cache) {
            list($key, $expire, $tag) = $cache;

            if (strtotime($request->server('HTTP_IF_MODIFIED_SINCE')) + $expire > $request->server('REQUEST_TIME')) {
                // 读取缓存
                return Response::create()->code(304);
            } elseif ($this->cache->has($key)) {
                list($content, $header) = $this->cache->get($key);

                return Response::create($content)->header($header);
            }
        }

        return $next($request);
    }