[PHP7] extractor of PHP7 code works even in <PHP7

Author: Halleck45

compatibility.php

@@ -0,0 +1,4 @@
+<?php
+// PHP 7
+defined('T_SPACESHIP') ||define('T_SPACESHIP', '<=>'); // 289
+defined('T_COALESCE') ||define('T_COALESCE', '??'); // 282

composer.json

@@ -26,7 +26,8 @@
     "autoload": {
         "psr-0": {
             "Hal\\": "./src/"
-        }
+        },
+        "files": ["./compatibility.php"]
     },
     "require": {
         "php": ">=5.4",