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<?php |
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namespace PTS\Validator; |
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use PTS\Validator\Validators\AlphaDashValidator; |
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use PTS\Validator\Validators\AlphaNumValidator; |
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use PTS\Validator\Validators\AlphaValidator; |
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use PTS\Validator\Validators\BetweenIntValidator; |
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use PTS\Validator\Validators\BoolValidator; |
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use PTS\Validator\Validators\DateTimeValidator; |
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use PTS\Validator\Validators\DateValidator; |
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use PTS\Validator\Validators\InArrayValidator; |
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use PTS\Validator\Validators\MaxValidator; |
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use PTS\Validator\Validators\MinValidator; |
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use PTS\Validator\Validators\RequiredValidator; |
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class Validator |
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{ |
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/** @var bool */ |
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protected $paramDelimiter = ':'; |
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/** @var callable[] */ |
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protected $rulesHandlers = []; |
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public function __construct() |
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{ |
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$this->registerRule('string', 'is_string'); |
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$this->registerRule('int', 'is_int'); |
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$this->registerRule('array', 'is_array'); |
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$this->registerRule('required', new RequiredValidator); |
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$this->registerRule('betweenInt', new BetweenIntValidator); |
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$this->registerRule('strictBool', 'is_bool'); |
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$this->registerRule('bool', new BoolValidator); |
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$this->registerRule('alpha', new AlphaValidator); |
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$this->registerRule('alphaDash', new AlphaDashValidator); |
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$this->registerRule('alphaNum', new AlphaNumValidator); |
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$this->registerRule('date', new DateValidator); |
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$this->registerRule('dateTime', new DateTimeValidator); |
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$this->registerRule('inArray', new InArrayValidator); |
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$this->registerRule('min', new MinValidator); |
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$this->registerRule('max', new MaxValidator); |
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} |
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public function registerRule(string $name, callable $handler) |
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{ |
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$this->rulesHandlers[$name] = $handler; |
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} |
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public function getRules(): array |
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{ |
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return $this->rulesHandlers; |
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} |
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public function validate(array $data, array $rules): array |
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{ |
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$errors = []; |
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foreach ($rules as $name => $attrRules) { |
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if (!array_key_exists($name, $data)) { |
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$errors[$name] = 'Value is not exists: ' . $name; |
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continue; |
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} |
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$value = $data[$name] ?? null; |
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$errors[$name] = $this->validateValue($value, $attrRules); |
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} |
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return array_filter($errors); |
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} |
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public function validateIfExists(array $data, array $rules): array |
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{ |
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$errors = []; |
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foreach ($data as $name => $value) { |
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$attrRules = $rules[$name] ?? []; |
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$errors[$name] = $this->validateValue($value, $attrRules); |
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} |
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return array_filter($errors); |
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} |
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protected function validateValue($value, array $rules): array |
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{ |
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$errors = []; |
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foreach ($rules as $rule) { |
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[$handlerAlias, $params] = is_string($rule) |
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? $this->extractStringRule($rule) |
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: $this->extractArrayRule($rule); |
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$handler = $this->rulesHandlers[$handlerAlias] ?? null; |
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if (!$handler) { |
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throw new ValidatorRuleException("Handler not found for alias: {$handlerAlias}"); |
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} |
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if (!$handler($value, ...$params)) { |
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$errors[] = $handlerAlias; |
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} |
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} |
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return $errors; |
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} |
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public function extractArrayRule(array $rule): array |
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{ |
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return [key($rule), current($rule)]; |
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} |
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public function extractStringRule(string $rule): array |
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{ |
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$params = explode($this->paramDelimiter, $rule); |
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$handlerAlias = array_shift($params); |
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return [$handlerAlias, (array)$params]; |
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} |
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} |
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alexpts /
simple-validator
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This check marks access to variables or properties that have not been declared yet. While PHP has no explicit notion of declaring a variable, accessing it before a value is assigned to it is most likely a bug.