Add current PHP versions to testing build

Ignores deprecation warnings, that happen in PHPUnit 6 on PHP 7.4.

Author: AkenRoberts

.travis.yml

@@ -12,6 +12,8 @@ matrix:
         - php: '7.0'
         - php: '7.1'
         - php: '7.2'
+        - php: '7.3'
+        - php: '7.4'
 
 cache:
     directories:

tests/bootstrap.php

@@ -16,6 +16,9 @@
  * @license MIT License (http://www.opensource.org/licenses/mit-license.php)
  */
 
+// Ignore deprecation warnings that occur in PHPUnit 6 on PHP 7.4
+error_reporting(E_ALL & ~E_DEPRECATED);
+
 define('TESTS_PATH', __DIR__);
 define('TESTS_TEMP_DIR', __DIR__.'/temp');
 define('VENDOR_PATH', realpath(__DIR__.'/../vendor'));