Apply php-cs-fixer fix --rules nullable_type_declaration_for_default_null_value

Author: nicolas-grekas

Countries.php

@@ -89,7 +89,7 @@ public static function alpha3CodeExists(string $alpha3Code): bool
      *
      * @throws MissingResourceException if the country code does not exist
      */
-    public static function getName(string $country, string $displayLocale = null): string
+    public static function getName(string $country, ?string $displayLocale = null): string
     {
         return self::readEntry(['Names', $country], $displayLocale);
     }
@@ -99,7 +99,7 @@ public static function getName(string $country, string $displayLocale = null): s
      *
      * @throws MissingResourceException if the country code does not exist
      */
-    public static function getAlpha3Name(string $alpha3Code, string $displayLocale = null): string
+    public static function getAlpha3Name(string $alpha3Code, ?string $displayLocale = null): string
     {
         return self::getName(self::getAlpha2Code($alpha3Code), $displayLocale);
     }
@@ -109,7 +109,7 @@ public static function getAlpha3Name(string $alpha3Code, string $displayLocale =
      *
      * @return array<string, string>
      */
-    public static function getNames(string $displayLocale = null): array
+    public static function getNames(?string $displayLocale = null): array
     {
         return self::asort(self::readEntry(['Names'], $displayLocale), $displayLocale);
     }
@@ -121,7 +121,7 @@ public static function getNames(string $displayLocale = null): array
      *
      * @return array<string, string>
      */
-    public static function getAlpha3Names(string $displayLocale = null): array
+    public static function getAlpha3Names(?string $displayLocale = null): array
     {
         $alpha2Names = self::getNames($displayLocale);
         $alpha3Names = [];

Currencies.php

@@ -50,15 +50,15 @@ public static function exists(string $currency): bool
     /**
      * @throws MissingResourceException if the currency code does not exist
      */
-    public static function getName(string $currency, string $displayLocale = null): string
+    public static function getName(string $currency, ?string $displayLocale = null): string
     {
         return self::readEntry(['Names', $currency, self::INDEX_NAME], $displayLocale);
     }
 
     /**
      * @return string[]
      */
-    public static function getNames(string $displayLocale = null): array
+    public static function getNames(?string $displayLocale = null): array
     {
         // ====================================================================
         // For reference: It is NOT possible to return names indexed by
@@ -82,7 +82,7 @@ public static function getNames(string $displayLocale = null): array
     /**
      * @throws MissingResourceException if the currency code does not exist
      */
-    public static function getSymbol(string $currency, string $displayLocale = null): string
+    public static function getSymbol(string $currency, ?string $displayLocale = null): string
     {
         return self::readEntry(['Names', $currency, self::INDEX_SYMBOL], $displayLocale);
     }

Data/Generator/TimezoneDataGenerator.php

@@ -177,7 +177,7 @@ private function generateZones(BundleEntryReaderInterface $reader, string $tempD
 
         $regionFormat = $reader->readEntry($tempDir, $locale, ['zoneStrings', 'regionFormat']);
         $fallbackFormat = $reader->readEntry($tempDir, $locale, ['zoneStrings', 'fallbackFormat']);
-        $resolveName = function (string $id, string $city = null) use ($reader, $tempDir, $locale, $regionFormat, $fallbackFormat): ?string {
+        $resolveName = function (string $id, ?string $city = null) use ($reader, $tempDir, $locale, $regionFormat, $fallbackFormat): ?string {
             // Resolve default name as described per http://cldr.unicode.org/translation/timezones
             if (isset($this->zoneToCountryMapping[$id])) {
                 try {

DateFormatter/DateFormat/Hour1200Transformer.php

@@ -36,7 +36,7 @@ public function format(\DateTime $dateTime, int $length): string
     /**
      * {@inheritdoc}
      */
-    public function normalizeHour(int $hour, string $marker = null): int
+    public function normalizeHour(int $hour, ?string $marker = null): int
     {
         if ('PM' === $marker) {
             $hour += 12;

DateFormatter/DateFormat/Hour1201Transformer.php

@@ -33,7 +33,7 @@ public function format(\DateTime $dateTime, int $length): string
     /**
      * {@inheritdoc}
      */
-    public function normalizeHour(int $hour, string $marker = null): int
+    public function normalizeHour(int $hour, ?string $marker = null): int
     {
         if ('PM' !== $marker && 12 === $hour) {
             $hour = 0;

DateFormatter/DateFormat/Hour2400Transformer.php

@@ -33,7 +33,7 @@ public function format(\DateTime $dateTime, int $length): string
     /**
      * {@inheritdoc}
      */
-    public function normalizeHour(int $hour, string $marker = null): int
+    public function normalizeHour(int $hour, ?string $marker = null): int
     {
         if ('AM' === $marker) {
             $hour = 0;

DateFormatter/DateFormat/Hour2401Transformer.php

@@ -36,7 +36,7 @@ public function format(\DateTime $dateTime, int $length): string
     /**
      * {@inheritdoc}
      */
-    public function normalizeHour(int $hour, string $marker = null): int
+    public function normalizeHour(int $hour, ?string $marker = null): int
     {
         if ((null === $marker && 24 === $hour) || 'AM' === $marker) {
             $hour = 0;

DateFormatter/DateFormat/HourTransformer.php

@@ -30,5 +30,5 @@ abstract class HourTransformer extends Transformer
      *
      * @return int The normalized hour value
      */
-    abstract public function normalizeHour(int $hour, string $marker = null): int;
+    abstract public function normalizeHour(int $hour, ?string $marker = null): int;
 }

DateFormatter/IntlDateFormatter.php

@@ -134,7 +134,7 @@ abstract class IntlDateFormatter
      * @throws MethodArgumentValueNotImplementedException When $locale different than "en" or null is passed
      * @throws MethodArgumentValueNotImplementedException When $calendar different than GREGORIAN is passed
      */
-    public function __construct(?string $locale, ?int $datetype, ?int $timetype, $timezone = null, ?int $calendar = self::GREGORIAN, string $pattern = null)
+    public function __construct(?string $locale, ?int $datetype, ?int $timetype, $timezone = null, ?int $calendar = self::GREGORIAN, ?string $pattern = null)
     {
         if ('en' !== $locale && null !== $locale) {
             throw new MethodArgumentValueNotImplementedException(__METHOD__, 'locale', $locale, 'Only the locale "en" is supported');
@@ -174,7 +174,7 @@ public function __construct(?string $locale, ?int $datetype, ?int $timetype, $ti
      * @throws MethodArgumentValueNotImplementedException When $locale different than "en" or null is passed
      * @throws MethodArgumentValueNotImplementedException When $calendar different than GREGORIAN is passed
      */
-    public static function create(?string $locale, ?int $datetype, ?int $timetype, $timezone = null, int $calendar = self::GREGORIAN, string $pattern = null)
+    public static function create(?string $locale, ?int $datetype, ?int $timetype, $timezone = null, int $calendar = self::GREGORIAN, ?string $pattern = null)
     {
         return new static($locale, $datetype, $timetype, $timezone, $calendar, $pattern);
     }
@@ -244,7 +244,7 @@ public function format($timestamp)
      *
      * @throws MethodNotImplementedException
      */
-    public static function formatObject(object $object, $format = null, string $locale = null)
+    public static function formatObject(object $object, $format = null, ?string $locale = null)
     {
         throw new MethodNotImplementedException(__METHOD__);
     }
@@ -430,7 +430,7 @@ public function localtime(string $value, int &$position = 0)
      *
      * @throws MethodArgumentNotImplementedException When $position different than null, behavior not implemented
      */
-    public function parse(string $value, int &$position = null)
+    public function parse(string $value, ?int &$position = null)
     {
         // We don't calculate the position when parsing the value
         if (null !== $position) {

Languages.php

@@ -56,7 +56,7 @@ public static function exists(string $language): bool
      *
      * @throws MissingResourceException if the language code does not exist
      */
-    public static function getName(string $language, string $displayLocale = null): string
+    public static function getName(string $language, ?string $displayLocale = null): string
     {
         try {
             return self::readEntry(['Names', $language], $displayLocale);
@@ -78,7 +78,7 @@ public static function getName(string $language, string $displayLocale = null):
      *
      * @return array<string, string>
      */
-    public static function getNames(string $displayLocale = null): array
+    public static function getNames(?string $displayLocale = null): array
     {
         return self::asort(self::readEntry(['Names'], $displayLocale), $displayLocale);
     }
@@ -139,7 +139,7 @@ public static function alpha3CodeExists(string $language): bool
      *
      * @throws MissingResourceException if the country code does not exists
      */
-    public static function getAlpha3Name(string $language, string $displayLocale = null): string
+    public static function getAlpha3Name(string $language, ?string $displayLocale = null): string
     {
         try {
             return self::getName(self::getAlpha2Code($language), $displayLocale);
@@ -159,7 +159,7 @@ public static function getAlpha3Name(string $language, string $displayLocale = n
      *
      * @return array<string, string>
      */
-    public static function getAlpha3Names(string $displayLocale = null): array
+    public static function getAlpha3Names(?string $displayLocale = null): array
     {
         $alpha2Names = self::getNames($displayLocale);
         $alpha3Names = [];