Merge pull request #3 from snapshotpl/patch-1

Add support for php 7.3 and 7.4

Author: Riimu

.travis.yml

@@ -7,6 +7,8 @@ php:
   - 7.0
   - 7.1
   - 7.2
+  - 7.3
+  - 7.4
 
 cache:
   directories:

tests/tests/JsonEncoderTest.php

@@ -271,7 +271,7 @@ public function testTokenList()
             JsonToken::T_RIGHT_BRACE,
         ];
 
-        $gatherTokens = function ($string, $token) use (& $actualTokens) {
+        $gatherTokens = function ($string, $token) use (&$actualTokens) {
             $actualTokens[] = $token;
         };