Merge pull request #171 from xabbuh/php-7.4-compat

add PHP 7.4 job

Author: goetas

.travis.yml

@@ -18,6 +18,7 @@ matrix:
     - php: 7.2
     - php: 7.3
       env: BENCHMARK=1
+    - php: 7.4snapshot
   fast_finish: true
 
 cache:

test/HTML5/Parser/TokenizerTest.php

@@ -26,7 +26,8 @@ public function assertEventEquals($type, $expects, $event)
         if (is_array($expects)) {
             $this->assertEquals($expects, $event['data'], "Event $type should equal " . print_r($expects, true) . ': ' . print_r($event, true));
         } else {
-            $this->assertEquals($expects, $event['data'][0], "Event $type should equal $expects: " . print_r($event, true));
+            $d = (is_array($event['data']) ? $event['data'][0] : null);
+            $this->assertEquals($expects, $d, "Event $type should equal $expects: " . print_r($event, true));
         }
     }