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getDSTSavings example

    public static function castIntlTimeZone(\IntlTimeZone $c, array $a, Stub $stub, bool $isNested)
    {
        $a += [
            Caster::PREFIX_VIRTUAL.'display_name' => $c->getDisplayName(),
            Caster::PREFIX_VIRTUAL.'id' => $c->getID(),
            Caster::PREFIX_VIRTUAL.'raw_offset' => $c->getRawOffset(),
        ];

        if ($c->useDaylightTime()) {
            $a += [
                Caster::PREFIX_VIRTUAL.'dst_savings' => $c->getDSTSavings(),
            ];
        }

        return self::castError($c, $a);
    }

    /** * @return array */
    public static function castIntlCalendar(\IntlCalendar $c, array $a, Stub $stub, bool $isNested, int $filter = 0)
    {

EOTXT;
        $this->assertDumpEquals($expected, $var);
    }

    public function testCastIntlTimeZoneWithDST()
    {
        $var = \IntlTimeZone::createTimeZone('America/Los_Angeles');

        $expectedDisplayName = $var->getDisplayName();
        $expectedDSTSavings = $var->getDSTSavings();
        $expectedID = $var->getID();
        $expectedRawOffset = $var->getRawOffset();

        $expected = <<<EOTXT IntlTimeZone { display_name: "$expectedDisplayName" id: "$expectedID" raw_offset: $expectedRawOffset dst_savings: $expectedDSTSavings } EOTXT;