Use ++$i over $i++

This slightly improves performance.

src/MD_STD_SEC.php

@@ -92,11 +92,11 @@ public static function preventBruteForce(string $tool_name, string $username):bo
         }
 
         // Increase counters and update timers
-        $loginLog['common']['count']++;
+        ++$loginLog['common']['count'];
         $loginLog['common']['time'] = \time();
-        $loginLog['usr'][$hash_user]['count']++;
+        ++$loginLog['usr'][$hash_user]['count'];
         $loginLog['usr'][$hash_user]['time'] = \time();
-        $loginLog['ip'][$hash_ip]['count']++;
+        ++$loginLog['ip'][$hash_ip]['count'];
         $loginLog['ip'][$hash_ip]['time'] = \time();
 
         // Update the log file