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<?php |
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declare(strict_types=1); |
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namespace Yiisoft\Validator\Rule; |
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use Attribute; |
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use Closure; |
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use InvalidArgumentException; |
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use JetBrains\PhpStorm\ArrayShape; |
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use ReflectionProperty; |
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use Traversable; |
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use Yiisoft\Strings\StringHelper; |
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use Yiisoft\Validator\AfterInitAttributeEventInterface; |
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use Yiisoft\Validator\Helper\PropagateOptionsHelper; |
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use Yiisoft\Validator\PropagateOptionsInterface; |
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use Yiisoft\Validator\Rule\Trait\SkipOnEmptyTrait; |
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use Yiisoft\Validator\Rule\Trait\SkipOnErrorTrait; |
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use Yiisoft\Validator\Rule\Trait\WhenTrait; |
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use Yiisoft\Validator\RuleInterface; |
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use Yiisoft\Validator\Helper\RulesDumper; |
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use Yiisoft\Validator\RulesProvider\AttributesRulesProvider; |
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use Yiisoft\Validator\RulesProviderInterface; |
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use Yiisoft\Validator\RuleWithOptionsInterface; |
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use Yiisoft\Validator\SkipOnEmptyInterface; |
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use Yiisoft\Validator\SkipOnErrorInterface; |
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use Yiisoft\Validator\Tests\Rule\NestedTest; |
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use Yiisoft\Validator\WhenInterface; |
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use function array_pop; |
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use function count; |
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use function implode; |
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use function is_string; |
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use function ltrim; |
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use function rtrim; |
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use function sprintf; |
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/** |
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* Can be used for validation of nested structures. |
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* |
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* @psalm-import-type WhenType from WhenInterface |
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*/ |
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#[Attribute(Attribute::TARGET_CLASS | Attribute::TARGET_PROPERTY | Attribute::IS_REPEATABLE)] |
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final class Nested implements |
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RuleWithOptionsInterface, |
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SkipOnErrorInterface, |
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WhenInterface, |
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SkipOnEmptyInterface, |
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PropagateOptionsInterface, |
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AfterInitAttributeEventInterface |
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{ |
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use SkipOnEmptyTrait; |
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use SkipOnErrorTrait; |
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use WhenTrait; |
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private const SEPARATOR = '.'; |
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private const EACH_SHORTCUT = '*'; |
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/** |
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* @var iterable<iterable<RuleInterface>|RuleInterface>|null |
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*/ |
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private iterable|null $rules; |
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/** |
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* @param iterable|object|string|null $rules Rules for validate value that can be described by: |
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* |
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* - object that implement {@see RulesProviderInterface}; |
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* - name of class from whose attributes their will be derived; |
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* - array or object implementing the `Traversable` interface that contain {@see RuleInterface} implementations |
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* or closures. |
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* |
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* `$rules` can be null if validatable value is object. In this case rules will be derived from object via |
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* `getRules()` method if object implement {@see RulesProviderInterface} or from attributes otherwise. |
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*/ |
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public function __construct( |
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iterable|object|string|null $rules = null, |
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/** |
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* @var int What visibility levels to use when reading data and rules from validated object. |
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* @psalm-var int-mask-of<ReflectionProperty::IS_*> |
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*/ |
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private int $propertyVisibility = ReflectionProperty::IS_PRIVATE |
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| ReflectionProperty::IS_PROTECTED |
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| ReflectionProperty::IS_PUBLIC, |
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/** |
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* @var int What visibility levels to use when reading rules from the class specified in {@see $rules} |
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* attribute. |
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* @psalm-var int-mask-of<ReflectionProperty::IS_*> |
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*/ |
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private int $rulesPropertyVisibility = ReflectionProperty::IS_PRIVATE |
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| ReflectionProperty::IS_PROTECTED |
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| ReflectionProperty::IS_PUBLIC, |
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private string $noRulesWithNoObjectMessage = 'Nested rule without rules can be used for objects only.', |
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private string $incorrectDataSetTypeMessage = 'An object data set data can only have an array or an object ' . |
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'type.', |
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private string $incorrectInputMessage = 'The value must have an array or an object type.', |
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private bool $requirePropertyPath = false, |
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private string $noPropertyPathMessage = 'Property "{path}" is not found.', |
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private bool $normalizeRules = true, |
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private bool $propagateOptions = false, |
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/** |
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* @var bool|callable|null |
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*/ |
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private $skipOnEmpty = null, |
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private bool $skipOnError = false, |
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/** |
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* @var WhenType |
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*/ |
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private Closure|null $when = null, |
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) { |
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$this->prepareRules($rules); |
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} |
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public function getName(): string |
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{ |
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return 'nested'; |
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} |
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/** |
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* @return iterable<iterable<RuleInterface>|RuleInterface>|null |
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*/ |
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public function getRules(): iterable|null |
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{ |
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return $this->rules; |
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} |
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/** |
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* @psalm-return int-mask-of<ReflectionProperty::IS_*> |
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*/ |
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public function getPropertyVisibility(): int |
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{ |
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return $this->propertyVisibility; |
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} |
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public function getNoRulesWithNoObjectMessage(): string |
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{ |
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return $this->noRulesWithNoObjectMessage; |
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} |
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public function getIncorrectDataSetTypeMessage(): string |
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{ |
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return $this->incorrectDataSetTypeMessage; |
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} |
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public function getIncorrectInputMessage(): string |
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{ |
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return $this->incorrectInputMessage; |
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} |
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public function getRequirePropertyPath(): bool |
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{ |
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return $this->requirePropertyPath; |
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} |
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public function getNoPropertyPathMessage(): string |
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{ |
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return $this->noPropertyPathMessage; |
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} |
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private function prepareRules(iterable|object|string|null $source): void |
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{ |
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if ($source === null) { |
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$this->rules = null; |
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return; |
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} |
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if ($source instanceof RulesProviderInterface) { |
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$rules = $source->getRules(); |
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} elseif (is_string($source) && class_exists($source)) { |
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$rules = (new AttributesRulesProvider($source, $this->rulesPropertyVisibility))->getRules(); |
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} elseif (is_iterable($source)) { |
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$rules = $source; |
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} else { |
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throw new InvalidArgumentException( |
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'The $rules argument passed to Nested rule can be either: a null, an object implementing ' . |
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'RulesProviderInterface, a class string or an iterable.' |
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); |
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} |
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self::ensureArrayHasRules($rules); |
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$this->rules = $rules; |
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if ($this->normalizeRules) { |
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$this->normalizeRules(); |
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} |
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if ($this->propagateOptions) { |
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$this->propagateOptions(); |
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} |
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} |
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/** |
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* @psalm-assert iterable<RuleInterface> $rules |
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*/ |
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private static function ensureArrayHasRules(iterable &$rules): void |
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{ |
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$rules = $rules instanceof Traversable ? iterator_to_array($rules) : $rules; |
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/** @var mixed $rule */ |
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foreach ($rules as &$rule) { |
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if (is_iterable($rule)) { |
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self::ensureArrayHasRules($rule); |
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} elseif (!$rule instanceof RuleInterface) { |
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$message = sprintf( |
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'Every rule must be an instance of %s, %s given.', |
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RuleInterface::class, |
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get_debug_type($rule) |
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); |
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throw new InvalidArgumentException($message); |
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} |
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} |
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} |
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private function normalizeRules(): void |
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{ |
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/** @var RuleInterface[] $rules Conversion to array is done in {@see ensureArrayHasRules()}. */ |
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$rules = $this->rules; |
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while (true) { |
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$breakWhile = true; |
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$rulesMap = []; |
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foreach ($rules as $valuePath => $rule) { |
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if ($valuePath === self::EACH_SHORTCUT) { |
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throw new InvalidArgumentException('Bare shortcut is prohibited. Use "Each" rule instead.'); |
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} |
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$parts = StringHelper::parsePath( |
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(string) $valuePath, |
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delimiter: self::EACH_SHORTCUT, |
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preserveDelimiterEscaping: true |
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); |
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if (count($parts) === 1) { |
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continue; |
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} |
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/** |
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* Might be a bug of XDebug, because these lines are covered by tests. |
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* |
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* @see NestedTest::dataWithOtherNestedAndEach() for test cases prefixed with "withShortcut". |
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*/ |
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// @codeCoverageIgnoreStart |
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$breakWhile = false; |
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$lastValuePath = array_pop($parts); |
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$lastValuePath = ltrim($lastValuePath, '.'); |
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$lastValuePath = str_replace('\\' . self::EACH_SHORTCUT, self::EACH_SHORTCUT, $lastValuePath); |
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$remainingValuePath = implode(self::EACH_SHORTCUT, $parts); |
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$remainingValuePath = rtrim($remainingValuePath, self::SEPARATOR); |
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if (!isset($rulesMap[$remainingValuePath])) { |
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$rulesMap[$remainingValuePath] = []; |
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} |
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$rulesMap[$remainingValuePath][$lastValuePath] = $rule; |
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unset($rules[$valuePath]); |
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// @codeCoverageIgnoreEnd |
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} |
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foreach ($rulesMap as $valuePath => $nestedRules) { |
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/** |
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* Might be a bug of XDebug, because this line is covered by tests. |
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* |
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* @see NestedTest::dataWithOtherNestedAndEach() for test cases prefixed with "withShortcut". |
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*/ |
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// @codeCoverageIgnoreStart |
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$rules[$valuePath] = new Each([new self($nestedRules, normalizeRules: false)]); |
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// @codeCoverageIgnoreEnd |
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} |
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if ($breakWhile === true) { |
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break; |
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} |
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} |
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$this->rules = $rules; |
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} |
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public function propagateOptions(): void |
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{ |
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if ($this->rules === null) { |
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return; |
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} |
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$rules = []; |
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/** |
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* @var int|string $attributeRulesIndex Index is either integer or string because of the array conversion in |
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* {@see ensureArrayHasRules()}. |
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* @var RuleInterface[] $attributeRules Conversion to array is done in {@see ensureArrayHasRules()}. |
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*/ |
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foreach ($this->rules as $attributeRulesIndex => $attributeRules) { |
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$rules[$attributeRulesIndex] = PropagateOptionsHelper::propagate($this, $attributeRules); |
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} |
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$this->rules = $rules; |
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} |
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public function afterInitAttribute(object $object, int $target): void |
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{ |
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if ($this->rules === null) { |
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return; |
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} |
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foreach ($this->rules as $rules) { |
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5 |
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foreach ((is_iterable($rules) ? $rules : [$rules]) as $rule) { |
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if ($rule instanceof AfterInitAttributeEventInterface) { |
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$rule->afterInitAttribute($object, $target); |
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} |
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} |
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} |
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} |
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#[ArrayShape([ |
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'requirePropertyPath' => 'bool', |
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'noRulesWithNoObjectMessage' => 'array', |
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'incorrectDataSetTypeMessage' => 'array', |
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'incorrectInputMessage' => 'array', |
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'noPropertyPathMessage' => 'array', |
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'skipOnEmpty' => 'bool', |
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'skipOnError' => 'bool', |
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'rules' => 'array|null', |
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])] |
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public function getOptions(): array |
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{ |
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return [ |
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'noRulesWithNoObjectMessage' => [ |
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'template' => $this->noRulesWithNoObjectMessage, |
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'parameters' => [], |
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], |
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'incorrectDataSetTypeMessage' => [ |
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'template' => $this->incorrectDataSetTypeMessage, |
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'parameters' => [], |
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], |
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5 |
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'incorrectInputMessage' => [ |
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'template' => $this->incorrectInputMessage, |
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5 |
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'parameters' => [], |
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], |
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'noPropertyPathMessage' => [ |
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'template' => $this->getNoPropertyPathMessage(), |
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'parameters' => [], |
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], |
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'requirePropertyPath' => $this->getRequirePropertyPath(), |
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'skipOnEmpty' => $this->getSkipOnEmptyOption(), |
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'skipOnError' => $this->skipOnError, |
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'rules' => $this->rules === null ? null : RulesDumper::asArray($this->rules), |
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]; |
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} |
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public function getHandler(): string |
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{ |
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return NestedHandler::class; |
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} |
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} |
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Let?s assume that you have a directory layout like this:
and let?s assume the following content of
Bar.php
:If both files
OtherDir/Foo.php
andSomeDir/Foo.php
are loaded in the same runtime, you will see a PHP error such as the following:PHP Fatal error: Cannot use SomeDir\Foo as Foo because the name is already in use in OtherDir/Foo.php
However, as
OtherDir/Foo.php
does not necessarily have to be loaded and the error is only triggered if it is loaded beforeOtherDir/Bar.php
, this problem might go unnoticed for a while. In order to prevent this error from surfacing, you must import the namespace with a different alias: