feat: redis cache option

Author: hmerritt

README.md

@@ -34,12 +34,14 @@ $imdb->film("tt0816692");
 
 ### Options
 
-| Name          | Type   | Default Value                         | Description                                                                                   |
-| ------------- | ------ | ------------------------------------- | --------------------------------------------------------------------------------------------- |
-| `curlHeaders` | array  | `['Accept-Language: en-US,en;q=0.5']` | Custom headers can be passed to `cURL` when fetching the IMDB page                            |
-| `cache`       | bool   | `true`                                | Caches film data to speed-up future requests for the same film                                |
-| `techSpecs`   | bool   | `true`                                | Loads a films technical specifications (this will take longer as it makes a separate request) |
-| `category`    | string | `all`                                 | What category to search for (films `tt`, people `nm` or companies `co`)                       |
+| Name          | Type   | Default Value                                                                                     | Description                                                                                   |
+| ------------- | ------ | ------------------------------------------------------------------------------------------------- | --------------------------------------------------------------------------------------------- |
+| `curlHeaders` | array  | `['Accept-Language: en-US,en;q=0.5']`                                                             | Custom headers can be passed to `cURL` when fetching the IMDB page                            |
+| `cache`       | bool   | `true`                                                                                            | Caches film data to speed-up future requests for the same film                                |
+| `cacheType`   | string | `file` or `redis`                                                                                 | Choose how the caching is done. Either a local file database, or connect to a redis server    |
+| `cacheRedis`  | array  | `[ 'scheme' => 'tcp', 'host' => '127.0.0.1', 'port' => 6379, 'password' => '', 'database' => 0 ]` | Redis options                                                                                 |
+| `techSpecs`   | bool   | `true`                                                                                            | Loads a films technical specifications (this will take longer as it makes a separate request) |
+| `category`    | string | `all`                                                                                             | What category to search for (films `tt`, people `nm` or companies `co`)                       |
 
 ```php
 $imdb = new Imdb;

composer.json

@@ -13,7 +13,8 @@
     "require": {
 		"php": ">=7.1",
         "paquettg/php-html-parser": "^2.1",
-        "tmarois/filebase": "^1.0"
+        "tmarois/filebase": "^1.0",
+        "predis/predis": "^2.2"
     },
     "require-dev": {
         "phpunit/phpunit": "9.5.16",