diff --git a/src/Symfony/Bundle/FrameworkBundle/DependencyInjection/Configuration.php b/src/Symfony/Bundle/FrameworkBundle/DependencyInjection/Configuration.php
index 62313cb441..aa5fae01cb 100644
--- a/src/Symfony/Bundle/FrameworkBundle/DependencyInjection/Configuration.php
+++ b/src/Symfony/Bundle/FrameworkBundle/DependencyInjection/Configuration.php
@@ -683,7 +683,9 @@ class Configuration implements ConfigurationInterface
                     ->{!class_exists(FullStack::class) && class_exists(Serializer::class) ? 'canBeDisabled' : 'canBeEnabled'}()
                     ->children()
                         ->booleanNode('enable_annotations')->{!class_exists(FullStack::class) && class_exists(Annotation::class) ? 'defaultTrue' : 'defaultFalse'}()->end()
-                        ->scalarNode('cache')->end()
+                        ->scalarNode('cache')
+                            ->setDeprecated('The "%path%.%node%" option is deprecated since Symfony 3.1 and will be removed in 4.0. Configure the "cache.serializer" service under "framework.cache.pools" instead.')
+                        ->end()
                         ->scalarNode('name_converter')->end()
                         ->scalarNode('circular_reference_handler')->end()
                         ->arrayNode('mapping')
diff --git a/src/Symfony/Component/Cache/Adapter/TagAwareAdapter.php b/src/Symfony/Component/Cache/Adapter/TagAwareAdapter.php
index 1e0617ebe2..96df1128bb 100644
--- a/src/Symfony/Component/Cache/Adapter/TagAwareAdapter.php
+++ b/src/Symfony/Component/Cache/Adapter/TagAwareAdapter.php
@@ -14,11 +14,12 @@ namespace Symfony\Component\Cache\Adapter;
 use Psr\Cache\CacheItemInterface;
 use Psr\Cache\InvalidArgumentException;
 use Symfony\Component\Cache\CacheItem;
+use Symfony\Component\Cache\PruneableInterface;
 
 /**
  * @author Nicolas Grekas <p@tchwork.com>
  */
-class TagAwareAdapter implements TagAwareAdapterInterface
+class TagAwareAdapter implements TagAwareAdapterInterface, PruneableInterface
 {
     const TAGS_PREFIX = "\0tags\0";
 
@@ -334,4 +335,16 @@ class TagAwareAdapter implements TagAwareAdapterInterface
 
         return $tagVersions;
     }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function prune()
+    {
+        if ($this->itemsAdapter instanceof PruneableInterface) {
+            return $this->itemsAdapter->prune();
+        }
+
+        return false;
+    }
 }
diff --git a/src/Symfony/Component/Cache/CHANGELOG.md b/src/Symfony/Component/Cache/CHANGELOG.md
index bd637f10df..7389a7edcc 100644
--- a/src/Symfony/Component/Cache/CHANGELOG.md
+++ b/src/Symfony/Component/Cache/CHANGELOG.md
@@ -5,7 +5,7 @@ CHANGELOG
 -----
 
  * added PruneableInterface so PSR-6 or PSR-16 cache implementations can declare support for manual stale cache pruning
- * added prune logic to FilesystemTrait, PhpFilesTrait, PdoTrait, and ChainTrait
+ * added prune logic to FilesystemTrait, PhpFilesTrait, PdoTrait, TagAwareAdapter and ChainTrait
  * now FilesystemAdapter, PhpFilesAdapter, FilesystemCache, PhpFilesCache, PdoAdapter, PdoCache, ChainAdapter, and
    ChainCache implement PruneableInterface and support manual stale cache pruning
 
diff --git a/src/Symfony/Component/Cache/Tests/Adapter/TagAwareAdapterTest.php b/src/Symfony/Component/Cache/Tests/Adapter/TagAwareAdapterTest.php
index deca227c47..0e4e07a16d 100644
--- a/src/Symfony/Component/Cache/Tests/Adapter/TagAwareAdapterTest.php
+++ b/src/Symfony/Component/Cache/Tests/Adapter/TagAwareAdapterTest.php
@@ -11,6 +11,7 @@
 
 namespace Symfony\Component\Cache\Tests\Adapter;
 
+use Symfony\Component\Cache\Adapter\AdapterInterface;
 use Symfony\Component\Cache\Adapter\FilesystemAdapter;
 use Symfony\Component\Cache\Adapter\TagAwareAdapter;
 
@@ -125,4 +126,60 @@ class TagAwareAdapterTest extends AdapterTestCase
         $i = $pool->getItem('k');
         $this->assertSame(array('foo' => 'foo'), $i->getPreviousTags());
     }
+
+    public function testPrune()
+    {
+        $cache = new TagAwareAdapter($this->getPruneableMock());
+        $this->assertTrue($cache->prune());
+
+        $cache = new TagAwareAdapter($this->getNonPruneableMock());
+        $this->assertFalse($cache->prune());
+
+        $cache = new TagAwareAdapter($this->getFailingPruneableMock());
+        $this->assertFalse($cache->prune());
+    }
+
+    /**
+     * @return \PHPUnit_Framework_MockObject_MockObject|PruneableCacheInterface
+     */
+    private function getPruneableMock()
+    {
+        $pruneable = $this
+            ->getMockBuilder(PruneableCacheInterface::class)
+            ->getMock();
+
+        $pruneable
+            ->expects($this->atLeastOnce())
+            ->method('prune')
+            ->will($this->returnValue(true));
+
+        return $pruneable;
+    }
+
+    /**
+     * @return \PHPUnit_Framework_MockObject_MockObject|PruneableCacheInterface
+     */
+    private function getFailingPruneableMock()
+    {
+        $pruneable = $this
+            ->getMockBuilder(PruneableCacheInterface::class)
+            ->getMock();
+
+        $pruneable
+            ->expects($this->atLeastOnce())
+            ->method('prune')
+            ->will($this->returnValue(false));
+
+        return $pruneable;
+    }
+
+    /**
+     * @return \PHPUnit_Framework_MockObject_MockObject|AdapterInterface
+     */
+    private function getNonPruneableMock()
+    {
+        return $this
+            ->getMockBuilder(AdapterInterface::class)
+            ->getMock();
+    }
 }
diff --git a/src/Symfony/Component/Config/Definition/ArrayNode.php b/src/Symfony/Component/Config/Definition/ArrayNode.php
index 2ffa2a2137..ef068c9f34 100644
--- a/src/Symfony/Component/Config/Definition/ArrayNode.php
+++ b/src/Symfony/Component/Config/Definition/ArrayNode.php
@@ -234,10 +234,6 @@ class ArrayNode extends BaseNode implements PrototypeNodeInterface
         }
 
         foreach ($this->children as $name => $child) {
-            if ($child->isDeprecated()) {
-                @trigger_error($child->getDeprecationMessage($name, $this->getPath()), E_USER_DEPRECATED);
-            }
-
             if (!array_key_exists($name, $value)) {
                 if ($child->isRequired()) {
                     $msg = sprintf('The child node "%s" at path "%s" must be configured.', $name, $this->getPath());
@@ -254,6 +250,10 @@ class ArrayNode extends BaseNode implements PrototypeNodeInterface
                 continue;
             }
 
+            if ($child->isDeprecated()) {
+                @trigger_error($child->getDeprecationMessage($name, $this->getPath()), E_USER_DEPRECATED);
+            }
+
             try {
                 $value[$name] = $child->finalize($value[$name]);
             } catch (UnsetKeyException $e) {
diff --git a/src/Symfony/Component/Config/Definition/VariableNode.php b/src/Symfony/Component/Config/Definition/VariableNode.php
index f37ced901b..a9c35284cd 100644
--- a/src/Symfony/Component/Config/Definition/VariableNode.php
+++ b/src/Symfony/Component/Config/Definition/VariableNode.php
@@ -84,10 +84,6 @@ class VariableNode extends BaseNode implements PrototypeNodeInterface
      */
     protected function finalizeValue($value)
     {
-        if ($this->deprecationMessage) {
-            @trigger_error($this->getDeprecationMessage($this->getName(), $this->getPath()), E_USER_DEPRECATED);
-        }
-
         if (!$this->allowEmptyValue && $this->isValueEmpty($value)) {
             $ex = new InvalidConfigurationException(sprintf(
                 'The path "%s" cannot contain an empty value, but got %s.',
diff --git a/src/Symfony/Component/Config/Tests/Definition/ArrayNodeTest.php b/src/Symfony/Component/Config/Tests/Definition/ArrayNodeTest.php
index 7a5bf30373..58d2939300 100644
--- a/src/Symfony/Component/Config/Tests/Definition/ArrayNodeTest.php
+++ b/src/Symfony/Component/Config/Tests/Definition/ArrayNodeTest.php
@@ -219,10 +219,33 @@ class ArrayNodeTest extends TestCase
 
     public function testSetDeprecated()
     {
-        $node = new ArrayNode('foo');
-        $node->setDeprecated('"%node%" is deprecated');
+        $childNode = new ArrayNode('foo');
+        $childNode->setDeprecated('"%node%" is deprecated');
 
-        $this->assertTrue($node->isDeprecated());
-        $this->assertSame('"foo" is deprecated', $node->getDeprecationMessage($node->getName(), $node->getPath()));
+        $this->assertTrue($childNode->isDeprecated());
+        $this->assertSame('"foo" is deprecated', $childNode->getDeprecationMessage($childNode->getName(), $childNode->getPath()));
+
+        $node = new ArrayNode('root');
+        $node->addChild($childNode);
+
+        $deprecationTriggered = false;
+        $deprecationHandler = function ($level, $message, $file, $line) use (&$prevErrorHandler, &$deprecationTriggered) {
+            if (E_USER_DEPRECATED === $level) {
+                return $deprecationTriggered = true;
+            }
+
+            return $prevErrorHandler ? $prevErrorHandler($level, $message, $file, $line) : false;
+        };
+
+        $prevErrorHandler = set_error_handler($deprecationHandler);
+        $node->finalize(array());
+        restore_error_handler();
+
+        $this->assertFalse($deprecationTriggered, '->finalize() should not trigger if the deprecated node is not set');
+
+        $prevErrorHandler = set_error_handler($deprecationHandler);
+        $node->finalize(array('foo' => array()));
+        restore_error_handler();
+        $this->assertTrue($deprecationTriggered, '->finalize() should trigger if the deprecated node is set');
     }
 }
diff --git a/src/Symfony/Component/Config/Tests/Definition/ScalarNodeTest.php b/src/Symfony/Component/Config/Tests/Definition/ScalarNodeTest.php
index 1981ac9459..481ef3f496 100644
--- a/src/Symfony/Component/Config/Tests/Definition/ScalarNodeTest.php
+++ b/src/Symfony/Component/Config/Tests/Definition/ScalarNodeTest.php
@@ -12,6 +12,7 @@
 namespace Symfony\Component\Config\Tests\Definition;
 
 use PHPUnit\Framework\TestCase;
+use Symfony\Component\Config\Definition\ArrayNode;
 use Symfony\Component\Config\Definition\ScalarNode;
 
 class ScalarNodeTest extends TestCase
@@ -42,11 +43,33 @@ class ScalarNodeTest extends TestCase
 
     public function testSetDeprecated()
     {
-        $node = new ScalarNode('foo');
-        $node->setDeprecated('"%node%" is deprecated');
+        $childNode = new ScalarNode('foo');
+        $childNode->setDeprecated('"%node%" is deprecated');
 
-        $this->assertTrue($node->isDeprecated());
-        $this->assertSame('"foo" is deprecated', $node->getDeprecationMessage($node->getName(), $node->getPath()));
+        $this->assertTrue($childNode->isDeprecated());
+        $this->assertSame('"foo" is deprecated', $childNode->getDeprecationMessage($childNode->getName(), $childNode->getPath()));
+
+        $node = new ArrayNode('root');
+        $node->addChild($childNode);
+
+        $deprecationTriggered = 0;
+        $deprecationHandler = function ($level, $message, $file, $line) use (&$prevErrorHandler, &$deprecationTriggered) {
+            if (E_USER_DEPRECATED === $level) {
+                return ++$deprecationTriggered;
+            }
+
+            return $prevErrorHandler ? $prevErrorHandler($level, $message, $file, $line) : false;
+        };
+
+        $prevErrorHandler = set_error_handler($deprecationHandler);
+        $node->finalize(array());
+        restore_error_handler();
+        $this->assertSame(0, $deprecationTriggered, '->finalize() should not trigger if the deprecated node is not set');
+
+        $prevErrorHandler = set_error_handler($deprecationHandler);
+        $node->finalize(array('foo' => ''));
+        restore_error_handler();
+        $this->assertSame(1, $deprecationTriggered, '->finalize() should trigger if the deprecated node is set');
     }
 
     /**
diff --git a/src/Symfony/Component/VarDumper/Caster/DateCaster.php b/src/Symfony/Component/VarDumper/Caster/DateCaster.php
index b39b1f9b05..e2868ff718 100644
--- a/src/Symfony/Component/VarDumper/Caster/DateCaster.php
+++ b/src/Symfony/Component/VarDumper/Caster/DateCaster.php
@@ -34,7 +34,7 @@ class DateCaster
         ;
 
         $a = array();
-        $a[$prefix.'date'] = new ConstStub($d->format('Y-m-d H:i:'.self::formatSeconds($d->format('s'), $d->format('u')).($location ? ' e (P)' : ' P')), $title);
+        $a[$prefix.'date'] = new ConstStub(self::formatDateTime($d, $location ? ' e (P)' : ' P'), $title);
 
         $stub->class .= $d->format(' @U');
 
@@ -63,7 +63,7 @@ class DateCaster
             $format .= ($i->y ? '%yy ' : '').($i->m ? '%mm ' : '').($i->d ? '%dd ' : '');
         }
 
-        $format .= $i->h || $i->i || $i->s || $i->f ? '%H:%I:'.self::formatSeconds($i->s, $i->f) : '';
+        $format .= $i->h || $i->i || $i->s || $i->f ? '%H:%I:'.self::formatSeconds($i->s, substr($i->f, 2)) : '';
         $format = '%R ' === $format ? '0s' : $format;
 
         return $i->format(rtrim($format));
@@ -93,16 +93,16 @@ class DateCaster
                     );
                     break;
                 }
-                $dates[] = sprintf('%s) %s', $i + 1, $d->format('Y-m-d H:i:s'));
+                $dates[] = sprintf('%s) %s', $i + 1, self::formatDateTime($d));
             }
         }
 
         $period = sprintf(
             'every %s, from %s (%s) %s',
             self::formatInterval($p->getDateInterval()),
-            $p->getStartDate()->format('Y-m-d H:i:s'),
+            self::formatDateTime($p->getStartDate()),
             $p->include_start_date ? 'included' : 'excluded',
-            ($end = $p->getEndDate()) ? 'to '.$end->format('Y-m-d H:i:s') : 'recurring '.$p->recurrences.' time/s'
+            ($end = $p->getEndDate()) ? 'to '.self::formatDateTime($end) : 'recurring '.$p->recurrences.' time/s'
         );
 
         $p = array(Caster::PREFIX_VIRTUAL.'period' => new ConstStub($period, implode("\n", $dates)));
@@ -110,6 +110,11 @@ class DateCaster
         return $filter & Caster::EXCLUDE_VERBOSE ? $p : $p + $a;
     }
 
+    private static function formatDateTime(\DateTimeInterface $d, $extra = '')
+    {
+        return $d->format('Y-m-d H:i:'.self::formatSeconds($d->format('s'), $d->format('u')).$extra);
+    }
+
     private static function formatSeconds($s, $us)
     {
         return sprintf('%02d.%s', $s, 0 === ($len = strlen($t = rtrim($us, '0'))) ? '0' : ($len <= 3 ? str_pad($t, 3, '0') : $us));
diff --git a/src/Symfony/Component/VarDumper/Tests/Caster/DateCasterTest.php b/src/Symfony/Component/VarDumper/Tests/Caster/DateCasterTest.php
index a3bc4867a8..cb6b6a6b16 100644
--- a/src/Symfony/Component/VarDumper/Tests/Caster/DateCasterTest.php
+++ b/src/Symfony/Component/VarDumper/Tests/Caster/DateCasterTest.php
@@ -92,10 +92,9 @@ EODUMP;
     /**
      * @dataProvider provideIntervals
      */
-    public function testDumpInterval($intervalSpec, $invert, $expected)
+    public function testDumpInterval($intervalSpec, $ms, $invert, $expected)
     {
-        $interval = new \DateInterval($intervalSpec);
-        $interval->invert = $invert;
+        $interval = $this->createInterval($intervalSpec, $ms, $invert);
 
         $xDump = <<<EODUMP
 DateInterval {
@@ -109,10 +108,9 @@ EODUMP;
     /**
      * @dataProvider provideIntervals
      */
-    public function testDumpIntervalExcludingVerbosity($intervalSpec, $invert, $expected)
+    public function testDumpIntervalExcludingVerbosity($intervalSpec, $ms, $invert, $expected)
     {
-        $interval = new \DateInterval($intervalSpec);
-        $interval->invert = $invert;
+        $interval = $this->createInterval($intervalSpec, $ms, $invert);
 
         $xDump = <<<EODUMP
 DateInterval {
@@ -126,10 +124,9 @@ EODUMP;
     /**
      * @dataProvider provideIntervals
      */
-    public function testCastInterval($intervalSpec, $invert, $xInterval, $xSeconds)
+    public function testCastInterval($intervalSpec, $ms, $invert, $xInterval, $xSeconds)
     {
-        $interval = new \DateInterval($intervalSpec);
-        $interval->invert = $invert;
+        $interval = $this->createInterval($intervalSpec, $ms, $invert);
         $stub = new Stub();
 
         $cast = DateCaster::castInterval($interval, array('foo' => 'bar'), $stub, false, Caster::EXCLUDE_VERBOSE);
@@ -159,37 +156,39 @@ Symfony\Component\VarDumper\Caster\ConstStub {
 }
 EODUMP;
 
-        $this->assertDumpEquals($xDump, $cast["\0~\0interval"]);
+        $this->assertDumpMatchesFormat($xDump, $cast["\0~\0interval"]);
     }
 
     public function provideIntervals()
     {
         return array(
-            array('PT0S', 0, '0s', '0s'),
-            array('PT1S', 0, '+ 00:00:01.0', '1s'),
-            array('PT2M', 0, '+ 00:02:00.0', '120s'),
-            array('PT3H', 0, '+ 03:00:00.0', '10 800s'),
-            array('P4D', 0, '+ 4d', '345 600s'),
-            array('P5M', 0, '+ 5m', null),
-            array('P6Y', 0, '+ 6y', null),
-            array('P1Y2M3DT4H5M6S', 0, '+ 1y 2m 3d 04:05:06.0', null),
-            array('PT1M60S', 0, '+ 00:02:00.0', null),
-            array('PT1H60M', 0, '+ 02:00:00.0', null),
-            array('P1DT24H', 0, '+ 2d', null),
-            array('P1M32D', 0, '+ 1m 32d', null),
+            array('PT0S', 0, 0, '0s', '0s'),
+            array('PT0S', 0.1, 0, '+ 00:00:00.100', '%is'),
+            array('PT1S', 0, 0, '+ 00:00:01.0', '1s'),
+            array('PT2M', 0, 0, '+ 00:02:00.0', '120s'),
+            array('PT3H', 0, 0, '+ 03:00:00.0', '10 800s'),
+            array('P4D', 0, 0, '+ 4d', '345 600s'),
+            array('P5M', 0, 0, '+ 5m', null),
+            array('P6Y', 0, 0, '+ 6y', null),
+            array('P1Y2M3DT4H5M6S', 0, 0, '+ 1y 2m 3d 04:05:06.0', null),
+            array('PT1M60S', 0, 0, '+ 00:02:00.0', null),
+            array('PT1H60M', 0, 0, '+ 02:00:00.0', null),
+            array('P1DT24H', 0, 0, '+ 2d', null),
+            array('P1M32D', 0, 0, '+ 1m 32d', null),
 
-            array('PT0S', 1, '0s', '0s'),
-            array('PT1S', 1, '- 00:00:01.0', '-1s'),
-            array('PT2M', 1, '- 00:02:00.0', '-120s'),
-            array('PT3H', 1, '- 03:00:00.0', '-10 800s'),
-            array('P4D', 1, '- 4d', '-345 600s'),
-            array('P5M', 1, '- 5m', null),
-            array('P6Y', 1, '- 6y', null),
-            array('P1Y2M3DT4H5M6S', 1, '- 1y 2m 3d 04:05:06.0', null),
-            array('PT1M60S', 1, '- 00:02:00.0', null),
-            array('PT1H60M', 1, '- 02:00:00.0', null),
-            array('P1DT24H', 1, '- 2d', null),
-            array('P1M32D', 1, '- 1m 32d', null),
+            array('PT0S', 0, 1, '0s', '0s'),
+            array('PT0S', 0.1, 1, '- 00:00:00.100', '%is'),
+            array('PT1S', 0, 1, '- 00:00:01.0', '-1s'),
+            array('PT2M', 0, 1, '- 00:02:00.0', '-120s'),
+            array('PT3H', 0, 1, '- 03:00:00.0', '-10 800s'),
+            array('P4D', 0, 1, '- 4d', '-345 600s'),
+            array('P5M', 0, 1, '- 5m', null),
+            array('P6Y', 0, 1, '- 6y', null),
+            array('P1Y2M3DT4H5M6S', 0, 1, '- 1y 2m 3d 04:05:06.0', null),
+            array('PT1M60S', 0, 1, '- 00:02:00.0', null),
+            array('PT1H60M', 0, 1, '- 02:00:00.0', null),
+            array('P1DT24H', 0, 1, '- 2d', null),
+            array('P1M32D', 0, 1, '- 1m 32d', null),
         );
     }
 
@@ -318,7 +317,7 @@ array:1 [
 ]
 EODUMP;
 
-        $this->assertDumpMatchesFormat($xDump, $cast);
+        $this->assertDumpEquals($xDump, $cast);
 
         $xDump = <<<EODUMP
 Symfony\Component\VarDumper\Caster\ConstStub {
@@ -339,32 +338,37 @@ EODUMP;
     public function providePeriods()
     {
         $periods = array(
-            array('2017-01-01', 'P1D', '2017-01-03', 0, 'every + 1d, from 2017-01-01 00:00:00 (included) to 2017-01-03 00:00:00', '1) 2017-01-01%a2) 2017-01-02'),
-            array('2017-01-01', 'P1D', 1, 0, 'every + 1d, from 2017-01-01 00:00:00 (included) recurring 2 time/s', '1) 2017-01-01%a2) 2017-01-02'),
+            array('2017-01-01', 'P1D', '2017-01-03', 0, 'every + 1d, from 2017-01-01 00:00:00.0 (included) to 2017-01-03 00:00:00.0', '1) 2017-01-01%a2) 2017-01-02'),
+            array('2017-01-01', 'P1D', 1, 0, 'every + 1d, from 2017-01-01 00:00:00.0 (included) recurring 2 time/s', '1) 2017-01-01%a2) 2017-01-02'),
 
-            array('2017-01-01', 'P1D', '2017-01-04', 0, 'every + 1d, from 2017-01-01 00:00:00 (included) to 2017-01-04 00:00:00', '1) 2017-01-01%a2) 2017-01-02%a3) 2017-01-03'),
-            array('2017-01-01', 'P1D', 2, 0, 'every + 1d, from 2017-01-01 00:00:00 (included) recurring 3 time/s', '1) 2017-01-01%a2) 2017-01-02%a3) 2017-01-03'),
+            array('2017-01-01', 'P1D', '2017-01-04', 0, 'every + 1d, from 2017-01-01 00:00:00.0 (included) to 2017-01-04 00:00:00.0', '1) 2017-01-01%a2) 2017-01-02%a3) 2017-01-03'),
+            array('2017-01-01', 'P1D', 2, 0, 'every + 1d, from 2017-01-01 00:00:00.0 (included) recurring 3 time/s', '1) 2017-01-01%a2) 2017-01-02%a3) 2017-01-03'),
 
-            array('2017-01-01', 'P1D', '2017-01-05', 0, 'every + 1d, from 2017-01-01 00:00:00 (included) to 2017-01-05 00:00:00', '1) 2017-01-01%a2) 2017-01-02%a1 more'),
-            array('2017-01-01', 'P1D', 3, 0, 'every + 1d, from 2017-01-01 00:00:00 (included) recurring 4 time/s', '1) 2017-01-01%a2) 2017-01-02%a3) 2017-01-03%a1 more'),
+            array('2017-01-01', 'P1D', '2017-01-05', 0, 'every + 1d, from 2017-01-01 00:00:00.0 (included) to 2017-01-05 00:00:00.0', '1) 2017-01-01%a2) 2017-01-02%a1 more'),
+            array('2017-01-01', 'P1D', 3, 0, 'every + 1d, from 2017-01-01 00:00:00.0 (included) recurring 4 time/s', '1) 2017-01-01%a2) 2017-01-02%a3) 2017-01-03%a1 more'),
 
-            array('2017-01-01', 'P1D', '2017-01-21', 0, 'every + 1d, from 2017-01-01 00:00:00 (included) to 2017-01-21 00:00:00', '1) 2017-01-01%a17 more'),
-            array('2017-01-01', 'P1D', 19, 0, 'every + 1d, from 2017-01-01 00:00:00 (included) recurring 20 time/s', '1) 2017-01-01%a17 more'),
+            array('2017-01-01', 'P1D', '2017-01-21', 0, 'every + 1d, from 2017-01-01 00:00:00.0 (included) to 2017-01-21 00:00:00.0', '1) 2017-01-01%a17 more'),
+            array('2017-01-01', 'P1D', 19, 0, 'every + 1d, from 2017-01-01 00:00:00.0 (included) recurring 20 time/s', '1) 2017-01-01%a17 more'),
 
-            array('2017-01-01 01:00:00', 'P1D', '2017-01-03 01:00:00', 0, 'every + 1d, from 2017-01-01 01:00:00 (included) to 2017-01-03 01:00:00', '1) 2017-01-01 01:00:00%a2) 2017-01-02 01:00:00'),
-            array('2017-01-01 01:00:00', 'P1D', 1, 0, 'every + 1d, from 2017-01-01 01:00:00 (included) recurring 2 time/s', '1) 2017-01-01 01:00:00%a2) 2017-01-02 01:00:00'),
+            array('2017-01-01 01:00:00', 'P1D', '2017-01-03 01:00:00', 0, 'every + 1d, from 2017-01-01 01:00:00.0 (included) to 2017-01-03 01:00:00.0', '1) 2017-01-01 01:00:00.0%a2) 2017-01-02 01:00:00.0'),
+            array('2017-01-01 01:00:00', 'P1D', 1, 0, 'every + 1d, from 2017-01-01 01:00:00.0 (included) recurring 2 time/s', '1) 2017-01-01 01:00:00.0%a2) 2017-01-02 01:00:00.0'),
 
-            array('2017-01-01', 'P1DT1H', '2017-01-03', 0, 'every + 1d 01:00:00.0, from 2017-01-01 00:00:00 (included) to 2017-01-03 00:00:00', '1) 2017-01-01 00:00:00%a2) 2017-01-02 01:00:00'),
-            array('2017-01-01', 'P1DT1H', 1, 0, 'every + 1d 01:00:00.0, from 2017-01-01 00:00:00 (included) recurring 2 time/s', '1) 2017-01-01 00:00:00%a2) 2017-01-02 01:00:00'),
+            array('2017-01-01', 'P1DT1H', '2017-01-03', 0, "every + 1d 01:00:00.0, from 2017-01-01 00:00:00.0 (included) to 2017-01-03 00:00:00.0", '1) 2017-01-01 00:00:00.0%a2) 2017-01-02 01:00:00.0'),
+            array('2017-01-01', 'P1DT1H', 1, 0, "every + 1d 01:00:00.0, from 2017-01-01 00:00:00.0 (included) recurring 2 time/s", '1) 2017-01-01 00:00:00.0%a2) 2017-01-02 01:00:00.0'),
 
-            array('2017-01-01', 'P1D', '2017-01-04', \DatePeriod::EXCLUDE_START_DATE, 'every + 1d, from 2017-01-01 00:00:00 (excluded) to 2017-01-04 00:00:00', '1) 2017-01-02%a2) 2017-01-03'),
-            array('2017-01-01', 'P1D', 2, \DatePeriod::EXCLUDE_START_DATE, 'every + 1d, from 2017-01-01 00:00:00 (excluded) recurring 2 time/s', '1) 2017-01-02%a2) 2017-01-03'),
+            array('2017-01-01', 'P1D', '2017-01-04', \DatePeriod::EXCLUDE_START_DATE, 'every + 1d, from 2017-01-01 00:00:00.0 (excluded) to 2017-01-04 00:00:00.0', '1) 2017-01-02%a2) 2017-01-03'),
+            array('2017-01-01', 'P1D', 2, \DatePeriod::EXCLUDE_START_DATE, 'every + 1d, from 2017-01-01 00:00:00.0 (excluded) recurring 2 time/s', '1) 2017-01-02%a2) 2017-01-03'),
         );
 
-        if (\PHP_VERSION_ID < 70107) {
-            array_walk($periods, function (&$i) { $i[5] = ''; });
-        }
-
         return $periods;
     }
+
+    private function createInterval($intervalSpec, $ms, $invert)
+    {
+        $interval = new \DateInterval($intervalSpec);
+        $interval->f = $ms;
+        $interval->invert = $invert;
+
+        return $interval;
+    }
 }