From a38c3c6faecd8740c37afa21f9e33e4139a4be45 Mon Sep 17 00:00:00 2001
From: Joshua Ramon Enslin <joshua@museum-digital.de>
Date: Mon, 30 Nov 2020 22:36:17 +0100
Subject: [PATCH] Let serve_page_through_redis_cache return string

---
 MD_STD_CACHE.php | 9 ++++-----
 1 file changed, 4 insertions(+), 5 deletions(-)

diff --git a/MD_STD_CACHE.php b/MD_STD_CACHE.php
index 8019f74..ce35550 100644
--- a/MD_STD_CACHE.php
+++ b/MD_STD_CACHE.php
@@ -23,9 +23,9 @@ final class MD_STD_CACHE {
      * @param string  $redisKey Key to cache by in redis.
      * @param integer $expiry   Expiration time in seconds.
      *
-     * @return boolean
+     * @return string
      */
-    public static function serve_page_through_redis_cache(string $redisKey, int $expiry = 3600):bool {
+    public static function serve_page_through_redis_cache(string $redisKey, int $expiry = 3600):string {
 
         $redis = new Redis();
         $redis->connect(self::$redis_host, self::$redis_port, 1, NULL, 0, 0, ['auth' => [MD_CONF::$redis_pw]]);
@@ -34,9 +34,8 @@ final class MD_STD_CACHE {
             ob_start();
 
             if (($redisResult = $redis->get($redisKey))) {
-                echo $redisResult;
                 $redis->close();
-                return true;
+                return $redisResult;
             }
             else {
 
@@ -58,7 +57,7 @@ final class MD_STD_CACHE {
         }
         $redis->close();
 
-        return false;
+        return '';
 
     }
 }