PHP 7.1 is now required

Older versions are outdated anyways

common.php

@@ -23,7 +23,7 @@
  * @copyright 2019 MyAAC
  * @link      https://my-aac.org
  */
-if (version_compare(phpversion(), '5.6', '<')) die('PHP version 5.6 or higher is required.');
+if (version_compare(phpversion(), '7.1', '<')) die('PHP version 5.6 or higher is required.');
 session_start();
 
 define('MYAAC', true);

composer.json

@@ -1,6 +1,6 @@
 {
     "require": {
-        "php": ">=5.6",
+        "php": ">=7.1",
         "ext-dom": "*",
         "ext-json": "*",
         "ext-gd": "*",