symfony · fabpot · May 13, 2016 · May 11, 2016
diff --git a/src/Symfony/Component/Form/Extension/Core/DataTransformer/DateTimeToArrayTransformer.php b/src/Symfony/Component/Form/Extension/Core/DataTransformer/DateTimeToArrayTransformer.php
@@ -72,8 +72,8 @@ public function transform($dateTime)
             ), array_flip($this->fields));
         }
 
-        if (!$dateTime instanceof \DateTime && !$dateTime instanceof \DateTimeInterface) {
-            throw new TransformationFailedException('Expected a \DateTime or \DateTimeInterface.');
+        if (!$dateTime instanceof \DateTimeInterface) {
+            throw new TransformationFailedException('Expected a \DateTimeInterface.');
         }
 
         if ($this->inputTimezone !== $this->outputTimezone) {

diff --git a/...ny/Component/Form/Extension/Core/DataTransformer/DateTimeToLocalizedStringTransformer.php b/...ny/Component/Form/Extension/Core/DataTransformer/DateTimeToLocalizedStringTransformer.php
@@ -84,8 +84,8 @@ public function transform($dateTime)
             return '';
         }
 
-        if (!$dateTime instanceof \DateTime && !$dateTime instanceof \DateTimeInterface) {
-            throw new TransformationFailedException('Expected a \DateTime or \DateTimeInterface.');
+        if (!$dateTime instanceof \DateTimeInterface) {
+            throw new TransformationFailedException('Expected a \DateTimeInterface.');
         }
 
         $value = $this->getIntlDateFormatter()->format($dateTime->getTimestamp());

diff --git a/src/Symfony/Component/Form/Extension/Core/DataTransformer/DateTimeToRfc3339Transformer.php b/src/Symfony/Component/Form/Extension/Core/DataTransformer/DateTimeToRfc3339Transformer.php
@@ -27,8 +27,8 @@ public function transform($dateTime)
             return '';
         }
 
-        if (!$dateTime instanceof \DateTime && !$dateTime instanceof \DateTimeInterface) {
-            throw new TransformationFailedException('Expected a \DateTime or \DateTimeInterface.');
+        if (!$dateTime instanceof \DateTimeInterface) {
+            throw new TransformationFailedException('Expected a \DateTimeInterface.');
         }
 
         if ($this->inputTimezone !== $this->outputTimezone) {

diff --git a/src/Symfony/Component/Form/Extension/Core/DataTransformer/DateTimeToStringTransformer.php b/src/Symfony/Component/Form/Extension/Core/DataTransformer/DateTimeToStringTransformer.php
@@ -99,8 +99,8 @@ public function transform($value)
             return '';
         }
 
-        if (!$value instanceof \DateTime && !$value instanceof \DateTimeInterface) {
-            throw new TransformationFailedException('Expected a \DateTime or \DateTimeInterface.');
+        if (!$value instanceof \DateTimeInterface) {
+            throw new TransformationFailedException('Expected a \DateTimeInterface.');
         }
 
         if (!$value instanceof \DateTimeImmutable) {

diff --git a/src/Symfony/Component/Form/Extension/Core/DataTransformer/DateTimeToTimestampTransformer.php b/src/Symfony/Component/Form/Extension/Core/DataTransformer/DateTimeToTimestampTransformer.php
@@ -38,8 +38,8 @@ public function transform($value)
             return;
         }
 
-        if (!$value instanceof \DateTime && !$value instanceof \DateTimeInterface) {
-            throw new TransformationFailedException('Expected a \DateTime or \DateTimeInterface.');
+        if (!$value instanceof \DateTimeInterface) {
+            throw new TransformationFailedException('Expected a \DateTimeInterface.');
         }
 
         return $value->getTimestamp();

diff --git a/src/Symfony/Component/HttpFoundation/Cookie.php b/src/Symfony/Component/HttpFoundation/Cookie.php
@@ -51,7 +51,7 @@ public function __construct($name, $value = null, $expire = 0, $path = '/', $dom
         }
 
         // convert expiration time to a Unix timestamp
-        if ($expire instanceof \DateTime || $expire instanceof \DateTimeInterface) {
+        if ($expire instanceof \DateTimeInterface) {
             $expire = $expire->format('U');
         } elseif (!is_numeric($expire)) {
             $expire = strtotime($expire);

diff --git a/src/Symfony/Component/HttpKernel/DataCollector/Util/ValueExporter.php b/src/Symfony/Component/HttpKernel/DataCollector/Util/ValueExporter.php
@@ -28,7 +28,7 @@ class ValueExporter
     public function exportValue($value, $depth = 1, $deep = false)
     {
         if (is_object($value)) {
-            if ($value instanceof \DateTime || $value instanceof \DateTimeInterface) {
+            if ($value instanceof \DateTimeInterface) {
                 return sprintf('Object(%s) - %s', get_class($value), $value->format(\DateTime::ISO8601));
             }
 

diff --git a/src/Symfony/Component/Validator/ConstraintValidator.php b/src/Symfony/Component/Validator/ConstraintValidator.php
@@ -72,7 +72,7 @@ protected function formatTypeOf($value)
      * (i.e. "false" for false, "1" for 1 etc.). Strings are always wrapped
      * in double quotes ("). Objects, arrays and resources are formatted as
      * "object", "array" and "resource". If the $format bitmask contains
-     * the PRETTY_DATE bit, then {@link \DateTime} objects will be formatted 
+     * the PRETTY_DATE bit, then {@link \DateTime} objects will be formatted
      * as RFC-3339 dates ("Y-m-d H:i:s").
      *
      * Be careful when passing message parameters to a constraint violation
@@ -89,7 +89,7 @@ protected function formatTypeOf($value)
      */
     protected function formatValue($value, $format = 0)
     {
-        $isDateTime = $value instanceof \DateTime || $value instanceof \DateTimeInterface;
+        $isDateTime = $value instanceof \DateTimeInterface;
 
         if (($format & self::PRETTY_DATE) && $isDateTime) {
             if (class_exists('IntlDateFormatter')) {

diff --git a/src/Symfony/Component/Validator/Constraints/AbstractComparisonValidator.php b/src/Symfony/Component/Validator/Constraints/AbstractComparisonValidator.php
@@ -47,7 +47,7 @@ public function validate($value, Constraint $constraint)
                 // If $value is immutable, convert the compared value to a
                 // DateTimeImmutable too
                 $comparedValue = new \DatetimeImmutable($comparedValue);
-            } elseif ($value instanceof \DateTime || $value instanceof \DateTimeInterface) {
+            } elseif ($value instanceof \DateTimeInterface) {
                 // Otherwise use DateTime
                 $comparedValue = new \DateTime($comparedValue);
             }

diff --git a/src/Symfony/Component/Validator/Constraints/RangeValidator.php b/src/Symfony/Component/Validator/Constraints/RangeValidator.php
@@ -33,7 +33,7 @@ public function validate($value, Constraint $constraint)
             return;
         }
 
-        if (!is_numeric($value) && !$value instanceof \DateTime && !$value instanceof \DateTimeInterface) {
+        if (!is_numeric($value) && !$value instanceof \DateTimeInterface) {
             $this->context->buildViolation($constraint->invalidMessage)
                 ->setParameter('{{ value }}', $this->formatValue($value, self::PRETTY_DATE))
                 ->setCode(Range::INVALID_CHARACTERS_ERROR)
@@ -49,7 +49,7 @@ public function validate($value, Constraint $constraint)
         // This allows to compare with any date/time value supported by
         // the DateTime constructor:
         // http://php.net/manual/en/datetime.formats.php
-        if ($value instanceof \DateTime || $value instanceof \DateTimeInterface) {
+        if ($value instanceof \DateTimeInterface) {
             if (is_string($min)) {
                 $min = new \DateTime($min);
             }