Initial Drupal 11 with DDEV setup

vendor/symfony/validator/Constraints/TimezoneValidator.php

@@ -0,0 +1,119 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\Validator\Constraints;
+
+use Symfony\Component\Intl\Exception\MissingResourceException;
+use Symfony\Component\Intl\Timezones;
+use Symfony\Component\Validator\Constraint;
+use Symfony\Component\Validator\ConstraintValidator;
+use Symfony\Component\Validator\Exception\UnexpectedTypeException;
+use Symfony\Component\Validator\Exception\UnexpectedValueException;
+
+/**
+ * Validates whether a value is a valid timezone identifier.
+ *
+ * @author Javier Spagnoletti <phansys@gmail.com>
+ * @author Hugo Hamon <hugohamon@neuf.fr>
+ */
+class TimezoneValidator extends ConstraintValidator
+{
+    public function validate(mixed $value, Constraint $constraint): void
+    {
+        if (!$constraint instanceof Timezone) {
+            throw new UnexpectedTypeException($constraint, Timezone::class);
+        }
+
+        if (null === $value || '' === $value) {
+            return;
+        }
+
+        if (!\is_scalar($value) && !$value instanceof \Stringable) {
+            throw new UnexpectedValueException($value, 'string');
+        }
+
+        $value = (string) $value;
+
+        if ($constraint->intlCompatible && 'Etc/Unknown' === \IntlTimeZone::createTimeZone($value)->getID()) {
+            $this->context->buildViolation($constraint->message)
+                ->setParameter('{{ value }}', $this->formatValue($value))
+                ->setCode(Timezone::TIMEZONE_IDENTIFIER_INTL_ERROR)
+                ->addViolation();
+
+            return;
+        }
+
+        if (
+            \in_array($value, self::getPhpTimezones($constraint->zone, $constraint->countryCode), true)
+            || \in_array($value, self::getIntlTimezones($constraint->zone, $constraint->countryCode), true)
+        ) {
+            return;
+        }
+
+        if ($constraint->countryCode) {
+            $code = Timezone::TIMEZONE_IDENTIFIER_IN_COUNTRY_ERROR;
+        } elseif (\DateTimeZone::ALL !== $constraint->zone) {
+            $code = Timezone::TIMEZONE_IDENTIFIER_IN_ZONE_ERROR;
+        } else {
+            $code = Timezone::TIMEZONE_IDENTIFIER_ERROR;
+        }
+
+        $this->context->buildViolation($constraint->message)
+              ->setParameter('{{ value }}', $this->formatValue($value))
+              ->setCode($code)
+              ->addViolation();
+    }
+
+    private static function getPhpTimezones(int $zone, ?string $countryCode = null): array
+    {
+        if (null !== $countryCode) {
+            try {
+                return @\DateTimeZone::listIdentifiers($zone, $countryCode) ?: [];
+            } catch (\ValueError) {
+                return [];
+            }
+        }
+
+        return \DateTimeZone::listIdentifiers($zone);
+    }
+
+    private static function getIntlTimezones(int $zone, ?string $countryCode = null): array
+    {
+        if (!class_exists(Timezones::class)) {
+            return [];
+        }
+
+        if (null !== $countryCode) {
+            try {
+                return Timezones::forCountryCode($countryCode);
+            } catch (MissingResourceException) {
+                return [];
+            }
+        }
+
+        $timezones = Timezones::getIds();
+
+        if (\DateTimeZone::ALL === (\DateTimeZone::ALL & $zone)) {
+            return $timezones;
+        }
+
+        $filtered = [];
+        foreach ((new \ReflectionClass(\DateTimeZone::class))->getConstants() as $const => $flag) {
+            if ($flag !== ($flag & $zone)) {
+                continue;
+            }
+
+            $filtered[] = array_filter($timezones, static fn ($id) => 0 === stripos($id, $const.'/'));
+        }
+
+        return $filtered ? array_merge(...$filtered) : [];
+    }
+}