Added Redis cache

helpers/CacheEngines/RedisCache.php

@@ -0,0 +1,31 @@
+<?php
+namespace Helpers\CacheEngines;
+
+use \Redis;
+
+class RedisCache {
+    private \Redis $client;
+    function __construct(string $host, int $port, ?string $password) {
+        $this->client = new Redis();
+        $this->client->connect($host, $port);
+        if ($password) {
+            $this->client->auth($password);
+        }
+    }
+
+    function __destruct() {
+        $this->client->close();
+    }
+
+    public function get(string $cache_key): object|false {
+        if ($this->client->exists($cache_key)) {
+            $data_string = $this->client->get($cache_key);
+            return json_decode($data_string);
+        }
+        return false;
+    }
+
+    public function set(string $cache_key, mixed $data, $timeout = 3600) {
+        $this->client->set($cache_key, json_encode($data), $timeout);
+    }
+}