symfony
diff --git a/‎src/Symfony/Component/Form/Extension/Core/DataTransformer/DateTimeToRfc3339Transformer.php
Lines changed: 18 additions & 3 deletions b/‎src/Symfony/Component/Form/Extension/Core/DataTransformer/DateTimeToRfc3339Transformer.php
Lines changed: 18 additions & 3 deletions
diff --git a/‎src/Symfony/Component/Form/Extension/Core/DataTransformer/DateTimeToStringTransformer.php
Lines changed: 8 additions & 8 deletions b/‎src/Symfony/Component/Form/Extension/Core/DataTransformer/DateTimeToStringTransformer.php
Lines changed: 8 additions & 8 deletions
diff --git a/‎src/Symfony/Component/Form/Extension/Core/DataTransformer/DateTimeToTimestampTransformer.php
Lines changed: 5 additions & 6 deletions b/‎src/Symfony/Component/Form/Extension/Core/DataTransformer/DateTimeToTimestampTransformer.php
Lines changed: 5 additions & 6 deletions
@@ -19,7 +19,15 @@
 class DateTimeToRfc3339Transformer extends BaseDateTimeTransformer
 {
     /**
-     * {@inheritdoc}
+     * Transforms a normalized date into a localized date.
+     *
+     * @param \DateTime|\DateTimeInterface $dateTime A DateTime object
+     *
+     * @return string The formatted date.
+     *
+     * @throws TransformationFailedException If the given value is not an
+     *                                       instance of \DateTime or if the
+     *                                       output timezone is not supported.
      */
     public function transform($dateTime)
     {
@@ -32,8 +40,15 @@ public function transform($dateTime)
         }
 
         if ($this->inputTimezone !== $this->outputTimezone) {
-            $dateTime = clone $dateTime;
-            $dateTime = $dateTime->setTimezone(new \DateTimeZone($this->outputTimezone));
+            if (!$dateTime instanceof \DateTimeImmutable) {
+                $dateTime = clone $dateTime;
+            }
+
+            try {
+                $dateTime = $dateTime->setTimezone(new \DateTimeZone($this->outputTimezone));
+            } catch (\Exception $e) {
+                throw new TransformationFailedException($e->getMessage(), $e->getCode(), $e);
+            }
         }
 
         return preg_replace('/\+00:00$/', 'Z', $dateTime->format('c'));
 
@@ -90,35 +90,35 @@ public function __construct($inputTimezone = null, $outputTimezone = null, $form
      * Transforms a DateTime object into a date string with the configured format
      * and timezone.
      *
-     * @param \DateTime|\DateTimeInterface $value A DateTime object
+     * @param \DateTime|\DateTimeInterface $dateTime A DateTime object
      *
      * @return string A value as produced by PHP's date() function
      *
      * @throws TransformationFailedException If the given value is not a \DateTime
      *                                       instance or if the output timezone
      *                                       is not supported.
      */
-    public function transform($value)
+    public function transform($dateTime)
     {
-        if (null === $value) {
+        if (null === $dateTime) {
             return '';
         }
 
-        if (!$value instanceof \DateTime && !$value instanceof \DateTimeInterface) {
+        if (!$dateTime instanceof \DateTime && !$dateTime instanceof \DateTimeInterface) {
             throw new TransformationFailedException('Expected a \DateTime or \DateTimeInterface.');
         }
 
-        if (!$value instanceof \DateTimeImmutable) {
-            $value = clone $value;
+        if (!$dateTime instanceof \DateTimeImmutable) {
+            $dateTime = clone $dateTime;
         }
 
         try {
-            $value = $value->setTimezone(new \DateTimeZone($this->outputTimezone));
+            $dateTime = $dateTime->setTimezone(new \DateTimeZone($this->outputTimezone));
         } catch (\Exception $e) {
             throw new TransformationFailedException($e->getMessage(), $e->getCode(), $e);
         }
 
-        return $value->format($this->generateFormat);
+        return $dateTime->format($this->generateFormat);
     }
 
     /**
 
@@ -29,20 +29,19 @@ class DateTimeToTimestampTransformer extends BaseDateTimeTransformer
      * @return int A timestamp
      *
      * @throws TransformationFailedException If the given value is not an instance
-     *                                       of \DateTime or if the output
-     *                                       timezone is not supported.
+     *                                       of \DateTime.
      */
-    public function transform($value)
+    public function transform($dateTime)
     {
-        if (null === $value) {
+        if (null === $dateTime) {
             return;
         }
 
-        if (!$value instanceof \DateTime && !$value instanceof \DateTimeInterface) {
+        if (!$dateTime instanceof \DateTime && !$dateTime instanceof \DateTimeInterface) {
             throw new TransformationFailedException('Expected a \DateTime or \DateTimeInterface.');
         }
 
-        return $value->getTimestamp();
+        return $dateTime->getTimestamp();
     }
 
     /**
Original file line number	Diff line number	Diff line change
`@@ -90,35 +90,35 @@ public function __construct($inputTimezone = null, $outputTimezone = null, $form`
`90`	`90`	`* Transforms a DateTime object into a date string with the configured format`
`91`	`91`	`* and timezone.`
`92`	`92`	`*`
`93`		`- * @param \DateTime\|\DateTimeInterface $value A DateTime object`
	`93`	`+ * @param \DateTime\|\DateTimeInterface $dateTime A DateTime object`
`94`	`94`	`*`
`95`	`95`	`* @return string A value as produced by PHP's date() function`
`96`	`96`	`*`
`97`	`97`	`* @throws TransformationFailedException If the given value is not a \DateTime`
`98`	`98`	`* instance or if the output timezone`
`99`	`99`	`* is not supported.`
`100`	`100`	`*/`
`101`		`- public function transform($value)`
	`101`	`+ public function transform($dateTime)`
`102`	`102`	`{`
`103`		`- if (null === $value) {`
	`103`	`+ if (null === $dateTime) {`
`104`	`104`	`return '';`
`105`	`105`	`}`
`106`	`106`
`107`		`- if (!$value instanceof \DateTime && !$value instanceof \DateTimeInterface) {`
	`107`	`+ if (!$dateTime instanceof \DateTime && !$dateTime instanceof \DateTimeInterface) {`
`108`	`108`	`throw new TransformationFailedException('Expected a \DateTime or \DateTimeInterface.');`
`109`	`109`	`}`
`110`	`110`
`111`		`- if (!$value instanceof \DateTimeImmutable) {`
`112`		`- $value = clone $value;`
	`111`	`+ if (!$dateTime instanceof \DateTimeImmutable) {`
	`112`	`+ $dateTime = clone $dateTime;`
`113`	`113`	`}`
`114`	`114`
`115`	`115`	`try { D7AE`
`116`		`- $value = $value->setTimezone(new \DateTimeZone($this->outputTimezone));`
	`116`	`+ $dateTime = $dateTime->setTimezone(new \DateTimeZone($this->outputTimezone));`
`117`	`117`	`} catch (\Exception $e) {`
`118`	`118`	`throw new TransformationFailedException($e->getMessage(), $e->getCode(), $e);`
`119`	`119`	`}`
`120`	`120`
`121`		`- return $value->format($this->generateFormat);`
	`121`	`+ return $dateTime->format($this->generateFormat);`
`122`	`122`	`}`
`123`	`123`
`124`	`124`	`/**`
Original file line number	Diff line number	Diff line change
`@@ -29,20 +29,19 @@ class DateTimeToTimestampTransformer extends BaseDateTimeTransformer`
`29`	`29`	`* @return int A timestamp`
`30`	`30`	`*`
`31`	`31`	`* @throws TransformationFailedException If the given value is not an instance`
`32`		`- * of \DateTime or if the output`
`33`		`- * timezone is not supported.`
	`32`	`+ * of \DateTime.`
`34`	`33`	`*/`
`35`		`- public function transform($value)`
	`34`	`+ public function transform($dateTime)`
`36`	`35`	`{`
`37`		`- if (null === $value) {`
	`36`	`+ if (null === $dateTime) {`
`38`	`37`	`return;`
`39`	`38`	`}`
`40`	`39`
`41`		`- if (!$value instanceof \DateTime && !$value instanceof \DateTimeInterface) {`
	`40`	`+ if (!$dateTime instanceof \DateTime && !$dateTime instanceof \DateTimeInterface) {`
`42`	`41`	`throw new TransformationFailedException('Expected a \DateTime or \DateTimeInterface.');`
`43`	`42`	`}`
`44`	`43`
`45`		`- return $value->getTimestamp();`
	`44`	`+ return $dateTime->getTimestamp();`
`46`	`45`	`}`
`47`	`46`
`48`	`47`	`/**`