Issue #3191363 by yas: Support PHP8 for Memcache(d)

memcache_admin/src/Stats/MemcacheStatsObject.php

@@ -222,8 +222,8 @@ class MemcacheStatsObject implements MemcacheStatsInterface {
       [
         '@get'   => number_format($get, 2),
         '@set'   => number_format($set, 2),
-        '@read'  => format_size(number_format($read, 2)),
-        '@write' => format_size(number_format($write, 2)),
+        '@read'  => format_size((int) number_format($read, 2)),
+        '@write' => format_size((int) number_format($write, 2)),
       ]
     );
   }

src/Driver/MemcachedDriver.php

@@ -68,7 +68,7 @@ class MemcachedDriver extends DriverBase {
       }
     }
 
-    if (PHP_MAJOR_VERSION === 7) {
+    if (PHP_MAJOR_VERSION >= 7) {
       $results = $this->memcache->getMulti($full_keys, \Memcached::GET_PRESERVE_ORDER);
     }
     else {