symfony
diff --git a/‎src/Symfony/Component/Form/Extension/Core/DataTransformer/DateTimeToLocalizedStringTransformer.php
Copy file name to clipboardExpand all lines: src/Symfony/Component/Form/Extension/Core/DataTransformer/DateTimeToLocalizedStringTransformer.php
+1-1Lines changed: 1 addition & 1 deletion b/‎src/Symfony/Component/Form/Extension/Core/DataTransformer/DateTimeToLocalizedStringTransformer.php
Copy file name to clipboardExpand all lines: src/Symfony/Component/Form/Extension/Core/DataTransformer/DateTimeToLocalizedStringTransformer.php
+1-1Lines changed: 1 addition & 1 deletion
diff --git a/‎src/Symfony/Component/Form/Extension/Core/Type/DateType.php
Copy file name to clipboardExpand all lines: src/Symfony/Component/Form/Extension/Core/Type/DateType.php
+3-3Lines changed: 3 additions & 3 deletions b/‎src/Symfony/Component/Form/Extension/Core/Type/DateType.php
Copy file name to clipboardExpand all lines: src/Symfony/Component/Form/Extension/Core/Type/DateType.php
+3-3Lines changed: 3 additions & 3 deletions
diff --git a/‎src/Symfony/Component/Intl/DateFormatter/IntlDateFormatter.php
Copy file name to clipboardExpand all lines: src/Symfony/Component/Intl/DateFormatter/IntlDateFormatter.php
+6-6Lines changed: 6 additions & 6 deletions b/‎src/Symfony/Component/Intl/DateFormatter/IntlDateFormatter.php
Copy file name to clipboardExpand all lines: src/Symfony/Component/Intl/DateFormatter/IntlDateFormatter.php
+6-6Lines changed: 6 additions & 6 deletions
@@ -172,7 +172,7 @@ protected function getIntlDateFormatter($ignoreTimezone = false)
         $calendar = $this->calendar;
         $pattern = $this->pattern;
 
-        $intlDateFormatter = new \IntlDateFormatter(\Locale::getDefault(), $dateFormat, $timeFormat, $timezone, $calendar, $pattern);
+        $intlDateFormatter = new \IntlDateFormatter(\Locale::getDefault(), $dateFormat, $timeFormat, $timezone, $calendar, $pattern ?? '');
 
         // new \intlDateFormatter may return null instead of false in case of failure, see https://bugs.php.net/66323
         if (!$intlDateFormatter) {
 
@@ -51,14 +51,14 @@ public function buildForm(FormBuilderInterface $builder, array $options)
         $dateFormat = \is_int($options['format']) ? $options['format'] : self::DEFAULT_FORMAT;
         $timeFormat = \IntlDateFormatter::NONE;
         $calendar = \IntlDateFormatter::GREGORIAN;
-        $pattern = \is_string($options['format']) ? $options['format'] : null;
+        $pattern = \is_string($options['format']) ? $options['format'] : '';
 
         if (!\in_array($dateFormat, self::$acceptedFormats, true)) {
             throw new InvalidOptionsException('The "format" option must be one of the IntlDateFormatter constants (FULL, LONG, MEDIUM, SHORT) or a string representing a custom format.');
         }
 
         if ('single_text' === $options['widget']) {
-            if (null !== $pattern && false === strpos($pattern, 'y') && false === strpos($pattern, 'M') && false === strpos($pattern, 'd')) {
+            if ('' !== $pattern && false === strpos($pattern, 'y') && false === strpos($pattern, 'M') && false === strpos($pattern, 'd')) {
                 throw new InvalidOptionsException(sprintf('The "format" option should contain the letters "y", "M" or "d". Its current value is "%s".', $pattern));
             }
 
@@ -71,7 +71,7 @@ public function buildForm(FormBuilderInterface $builder, array $options)
                 $pattern
             ));
         } else {
-            if (null !== $pattern && (false === strpos($pattern, 'y') || false === strpos($pattern, 'M') || false === strpos($pattern, 'd'))) {
+            if ('' !== $pattern && (false === strpos($pattern, 'y') || false === strpos($pattern, 'M') || false === strpos($pattern, 'd'))) {
                 throw new InvalidOptionsException(sprintf('The "format" option should contain the letters "y", "M" and "d". Its current value is "%s".', $pattern));
             }
 
 
@@ -145,6 +145,10 @@ public function __construct(?string $locale, ?int $datetype, ?int $timetype, $ti
         $this->datetype = null !== $datetype ? $datetype : self::FULL;
         $this->timetype = null !== $timetype ? $timetype : self::FULL;
 
+        if ('' === ($pattern ?? '')) {
+            $pattern = $this->getDefaultPattern();
+        }
+
         $this->setPattern($pattern);
         $this->setTimeZone($timezone);
     }
@@ -485,7 +489,7 @@ public function setLenient($lenient)
     /**
      * Set the formatter's pattern.
      *
-     * @param string|null $pattern A pattern string in conformance with the ICU IntlDateFormatter documentation
+     * @param string $pattern A pattern string in conformance with the ICU IntlDateFormatter documentation
      *
      * @return bool true on success or false on failure
      *
@@ -494,11 +498,7 @@ public function setLenient($lenient)
      */
     public function setPattern($pattern)
     {
-        if (null === $pattern) {
-            $pattern = $this->getDefaultPattern();
-        }
-
-        $this->pattern = $pattern;
+        $this->pattern = (string) $pattern;
 
         return true;
     }
Original file line number	Diff line number	Diff line change
`@@ -145,6 +145,10 @@ public function __construct(?string $locale, ?int $datetype, ?int $timetype, $ti`
`145`	`145`	`$this->datetype = null !== $datetype ? $datetype : self::FULL;`
`146`	`146`	`$this->timetype = null !== $timetype ? $timetype : self::FULL;`
`147`	`147`
	`148`	`+ if ('' === ($pattern ?? '')) {`
	`149`	`+ $pattern = $this->getDefaultPattern();`
	`150`	`+ }`
	`151`	`+`
`148`	`152`	`$this->setPattern($pattern);`
`149`	`153`	`$this->setTimeZone($timezone);`
`150`	`154`	`}`
`@@ -485,7 +489,7 @@ public function setLenient($lenient)`
`485`	`489`	`/**`
`486`	`490`	`* Set the formatter's pattern.`
`487`	`491`	`*`
`488`		`- * @param string\|null $pattern A pattern string in conformance with the ICU IntlDateFormatter documentation`
	`492`	`+ * @param string $pattern A pattern string in conformance with the ICU IntlDateFormatter documentation`
`489`	`493`	`*`
`490`	`494`	`* @return bool true on success or false on failure`
`491`	`495`	`*`
`@@ -494,11 +498,7 @@ public function setLenient($lenient)`
`494`	`498`	`*/`
`495`	`499`	`public function setPattern($pattern)`
`496`	`500`	`{`
`497`		`- if (null === $pattern) {`
`498`		`- $pattern = $this->getDefaultPattern();`
`499`		`- }`
`500`		`-`
`501`		`- $this->pattern = $pattern;`
	`501`	`+ $this->pattern = (string) $pattern;`
`502`	`502`
`503`	`503`	`return true;`
`504`	`504`	`}`