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40 lines
801 B
Markdown
40 lines
801 B
Markdown
---
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date: 2020-11-12
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id: f028709b-5851-4a8e-8c3c-097ebbe27c39
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title: Timezozne Constraint
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---
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# Syntax
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``` php
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// src/Entity/UserSettings.php
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namespace App\Entity;
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use Symfony\Component\Validator\Constraints as Assert;
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class UserSettings
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{
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/**
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* @Assert\Timezone
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*/
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protected $timezone;
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}
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```
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``` php
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// Consider valid only the timezones from countries in America continent
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/** @Assert\Timezone(zone=\DateTimeZone::AMERICA) */
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protected $timezone;
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// Consider valid only the Chinese timezones
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/** @Assert\Timezone(zone=\DateTimeZone::PER_COUNTRY, countryCode="CN") */
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protected $timezone;
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```
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# Related
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- [Symfony Constraints](20201112121938-symfony_constraints)
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- [Symfony Annotations](20201109142218-symfony_annotations)
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- [Symfony 4.3](20201112120118-symfony_4_3)
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