86 lines
2.6 KiB
PHP
86 lines
2.6 KiB
PHP
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<?php
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/*
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* This file is part of the Symfony package.
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*
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* (c) Fabien Potencier <fabien@symfony.com>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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namespace Symfony\Component\Validator\Constraints;
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use Symfony\Component\Validator\Attribute\HasNamedArguments;
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/**
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* A sequence of validation groups.
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*
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* When validating a group sequence, each group will only be validated if all
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* of the previous groups in the sequence succeeded. For example:
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*
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* $validator->validate($address, null, new GroupSequence(['Basic', 'Strict']));
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*
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* In the first step, all constraints that belong to the group "Basic" will be
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* validated. If none of the constraints fail, the validator will then validate
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* the constraints in group "Strict". This is useful, for example, if "Strict"
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* contains expensive checks that require a lot of CPU or slow, external
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* services. You usually don't want to run expensive checks if any of the cheap
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* checks fail.
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*
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* When adding metadata to a class, you can override the "Default" group of
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* that class with a group sequence:
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* #[GroupSequence(['Address', 'Strict'])]
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* class Address
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* {
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* // ...
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* }
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*
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* Whenever you validate that object in the "Default" group, the group sequence
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* will be validated:
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*
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* $validator->validate($address);
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*
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* If you want to execute the constraints of the "Default" group for a class
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* with an overridden default group, pass the class name as group name instead:
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*
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* $validator->validate($address, null, "Address")
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*
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* @author Bernhard Schussek <bschussek@gmail.com>
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*/
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#[\Attribute(\Attribute::TARGET_CLASS)]
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class GroupSequence
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{
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/**
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* The groups in the sequence.
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*
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* @var array<int, string|string[]|GroupSequence>
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*/
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public array $groups;
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/**
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* The group in which cascaded objects are validated when validating
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* this sequence.
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*
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* By default, cascaded objects are validated in each of the groups of
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* the sequence.
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*
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* If a class has a group sequence attached, that sequence replaces the
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* "Default" group. When validating that class in the "Default" group, the
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* group sequence is used instead, but still the "Default" group should be
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* cascaded to other objects.
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*/
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public string|GroupSequence $cascadedGroup;
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/**
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* Creates a new group sequence.
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*
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* @param array<string|string[]|GroupSequence> $groups The groups in the sequence
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*/
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#[HasNamedArguments]
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public function __construct(array $groups)
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{
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$this->groups = $groups['value'] ?? $groups;
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}
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}
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