diff --git a/.travis.yml b/.travis.yml
index a1c07a6..bb305a6 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,11 +1,19 @@
 language: php
 php:
+  - '5.2'
+  - '5.3'
   - '5.4'
   - '5.5'
   - '5.6'
   - '7.0'
   - hhvm
   - nightly
+matrix:
+  allow_failures:
+  - php: 5.2
+  - php: hhvm
+  - php: nightly
+
 before_script:
   - composer install --dev
 
diff --git a/tests/Sikofitt/Tests/ArrayObjectArrayTest.php b/tests/Sikofitt/Tests/ArrayObjectArrayTest.php
index 6a2f2ba..c70b5e8 100644
--- a/tests/Sikofitt/Tests/ArrayObjectArrayTest.php
+++ b/tests/Sikofitt/Tests/ArrayObjectArrayTest.php
@@ -269,6 +269,13 @@ class ArrayObjectArrayTest extends \PHPUnit_Framework_TestCase
         $this->assertSame(array_filter($this->workingMultiArray), $this->arrayObjectArrayMulti->array_filter());
         $this->assertSame(array_filter($this->workingMultiArray, $array_filter), $this->arrayObjectArrayMulti->array_filter($array_filter));
         // The third parameter was added in php 5.6
+        if(!defined('ARRAY_FILTER_USE_BOTH')) {
+            define('ARRAY_FILTER_USE_BOTH', 1);
+        }
+        if(!defined('ARRAY_FILTER_USE_KEY')) {
+            define('ARRAY_FILTER_USE_KEY', 2);
+        }
+
         if (PHP_VERSION_ID >= 50600) {
             $this->assertSame(array_filter($this->workingMultiArray, $array_filter, ARRAY_FILTER_USE_BOTH), $this->arrayObjectArrayMulti->array_filter($array_filter, ARRAY_FILTER_USE_BOTH));
             $this->assertSame(array_filter($this->workingMultiArray, $array_filter, ARRAY_FILTER_USE_KEY), $this->arrayObjectArrayMulti->array_filter($array_filter, ARRAY_FILTER_USE_KEY));