PHP code example of spatie / laravel-responsecache

    
        
<?php
require_once('vendor/autoload.php');

/* Start to develop here. Best regards https://php-download.com/ */

    

spatie / laravel-responsecache example snippets

// config/responsecache.php

return [
    /*
     * Determine if the response cache middleware should be enabled.
     */
    'enabled' => env('RESPONSE_CACHE_ENABLED', true),

    /*
     *  The given class will determinate if a request should be cached. The
     *  default class will cache all successful GET-requests.
     *
     *  You can provide your own class given that it implements the
     *  CacheProfile interface.
     */
    'cache_profile' => Spatie\ResponseCache\CacheProfiles\CacheAllSuccessfulGetRequests::class,

    /*
     *  Optionally, you can specify a header that will force a cache bypass.
     *  This can be useful to monitor the performance of your application.
     */
    'cache_bypass_header' => [
        'name' => env('CACHE_BYPASS_HEADER_NAME', null),
        'value' => env('CACHE_BYPASS_HEADER_VALUE', null),
    ],

    /*
     * When using the default CacheRequestFilter this setting controls the
     * default number of seconds responses must be cached.
     */
    'cache_lifetime_in_seconds' => env('RESPONSE_CACHE_LIFETIME', 60 * 60 * 24 * 7),

    /*
     * This setting determines if a http header named with the cache time
     * should be added to a cached response. This can be handy when
     * debugging.
     */
    'add_cache_time_header' => env('APP_DEBUG', true),

    /*
     * This setting determines the name of the http header that contains
     * the time at which the response was cached
     */
    'cache_time_header_name' => env('RESPONSE_CACHE_HEADER_NAME', 'laravel-responsecache'),

    /*
     * This setting determines if a http header named with the cache age
     * should be added to a cached response. This can be handy when
     * debugging.
     * ONLY works when "add_cache_time_header" is also active!
     */
    'add_cache_age_header' => env('RESPONSE_CACHE_AGE_HEADER', false),

    /*
     * This setting determines the name of the http header that contains
     * the age of cache
     */
    'cache_age_header_name' => env('RESPONSE_CACHE_AGE_HEADER_NAME', 'laravel-responsecache-age'),

    /*
     * Here you may define the cache store that should be used to store
     * requests. This can be the name of any store that is
     * configured in app/config/cache.php
     */
    'cache_store' => env('RESPONSE_CACHE_DRIVER', 'file'),

    /*
     * Here you may define replacers that dynamically replace content from the response.
     * Each replacer must implement the Replacer interface.
     */
    'replacers' => [
        \Spatie\ResponseCache\Replacers\CsrfTokenReplacer::class,
    ],

    /*
     * If the cache driver you configured supports tags, you may specify a tag name
     * here. All responses will be tagged. When clearing the responsecache only
     * items with that tag will be flushed.
     *
     * You may use a string or an array here.
     */
    'cache_tag' => '',

    /*
     * This class is responsible for generating a hash for a request. This hash
     * is used to look up an cached response.
     */
    'hasher' => \Spatie\ResponseCache\Hasher\DefaultHasher::class,

    /*
     * This class is responsible for serializing responses.
     */
    'serializer' => \Spatie\ResponseCache\Serializers\DefaultSerializer::class,
];

// app/Http/Kernel.php

...

protected $middlewareGroups = [
   'web' => [
       ...
       \Spatie\ResponseCache\Middlewares\CacheResponse::class,
   ],

...

protected $middlewareAliases = [
   ...
   'doNotCacheResponse' => \Spatie\ResponseCache\Middlewares\DoNotCacheResponse::class,
];

ResponseCache::clear();

namespace App\Traits;

use Spatie\ResponseCache\Facades\ResponseCache;

trait ClearsResponseCache
{
    public static function bootClearsResponseCache()
    {
        self::created(function () {
            ResponseCache::clear();
        });

        self::updated(function () {
            ResponseCache::clear();
        });

        self::deleted(function () {
            ResponseCache::clear();
        });
    }
}

// Forget one
ResponseCache::forget('/some-uri');

// Forget several
ResponseCache::forget(['/some-uri', '/other-uri']);

// Equivalent to the example above
ResponseCache::forget('/some-uri', '/other-uri');

// forgetting all PUT responses of /some-uri
ResponseCache::selectCachedItems()->withPutMethod()->forUrls('/some-uri')->forget();

// forgetting all PUT responses of multiple endpoints
ResponseCache::selectCachedItems()->withPutMethod()->forUrls(['/some-uri','/other-uri'])->forget();

// this is equivalent to the example above
ResponseCache::selectCachedItems()->withPutMethod()->forUrls('/some-uri','/other-uri')->forget();

// forget /some-uri cached with "100" suffix (by default suffix is user->id or "")
ResponseCache::selectCachedItems()->usingSuffix('100')->forUrls('/some-uri')->forget();

// all options combined
ResponseCache::selectCachedItems()
    ->withPutMethod()
    ->withHeaders(['foo'=>'bar'])
    ->withCookies(['cookie1' => 'value'])
    ->withParameters(['param1' => 'value'])
    ->withRemoteAddress('127.0.0.1')
    ->usingSuffix('100') 
    ->usingTags('tag1', 'tag2')
    ->forUrls('/some-uri', '/other-uri')
    ->forget();

// app/Http/routes.php

Route::get('/auth/logout', ['middleware' => 'doNotCacheResponse', 'uses' => 'AuthController@getLogout']);

class UserController extends Controller
{
    public function __construct()
    {
        $this->middleware('doNotCacheResponse', ['only' => ['fooAction', 'barAction']]);
    }
}

interface CacheProfile
{
    /*
     * Determine if the response cache middleware should be enabled.
     */
    public function enabled(Request $request): bool;

    /*
     * Determine if the given request should be cached.
     */
    public function shouldCacheRequest(Request $request): bool;

    /*
     * Determine if the given response should be cached.
     */
    public function shouldCacheResponse(Response $response): bool;

    /*
     * Return the time when the cache must be invalidated.
     */
    public function cacheRequestUntil(Request $request): DateTime;

    /**
     * Return a string to differentiate this request from others.
     *
     * For example: if you want a different cache per user you could return the id of
     * the logged in user.
     *
     * @param \Illuminate\Http\Request $request
     *
     * @return mixed
     */
    public function useCacheNameSuffix(Request $request);
}

protected $middlewareAliases = [
   ...
   'cacheResponse' => \Spatie\ResponseCache\Middlewares\CacheResponse::class,
];

// cache this route for 5 minutes
Route::get('/my-special-snowflake', 'SnowflakeController@index')->middleware('cacheResponse:300');

// cache all these routes for 10 minutes
Route::group(function() {
   Route::get('/another-special-snowflake', 'AnotherSnowflakeController@index');

   Route::get('/yet-another-special-snowflake', 'YetAnotherSnowflakeController@index');
})->middleware('cacheResponse:600');

// add a "foo" tag to this route with a 300 second lifetime
Route::get('/test1', 'SnowflakeController@index')->middleware('cacheResponse:300,foo');

// add a "bar" tag to this route
Route::get('/test2', 'SnowflakeController@index')->middleware('cacheResponse:bar');

// add both "foo" and "bar" tags to these routes
Route::group(function() {
   Route::get('/test3', 'AnotherSnowflakeController@index');

   Route::get('/test4', 'YetAnotherSnowflakeController@index');
})->middleware('cacheResponse:foo,bar');

ResponseCache::clear(['foo', 'bar']);

ResponseCache::clear(['bar']);

Cache::tags('special')->flush();

interface Replacer
{
    /*
     * Prepare the initial response before it gets cached.
     *
     * For example: replace a generated csrf_token by '<csrf-token-here>' that you can
     * replace with its dynamic counterpart when the cached response is returned.
     */
    public function prepareResponseToCache(Response $response): void;

    /*
     * Replace any data you want in the cached response before it gets
     * sent to the browser.
     *
     * For example: replace '<csrf-token-here>' by a call to csrf_token()
     */
    public function replaceInCachedResponse(Response $response): void;
}

namespace Spatie\ResponseCache\Serializers;

use Symfony\Component\HttpFoundation\Response;

interface Serializer
{
    public function serialize(Response $response): string;

    public function unserialize(string $serializedResponse): Response;
}

bash
php artisan vendor:publish --tag="responsecache-config"

bash
php artisan responsecache:clear