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<?php |
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namespace TS\PHPValidator; |
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use Psr\Http\Message\ServerRequestInterface as Request; |
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use Respect\Validation\Exceptions\NestedValidationException; |
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class Validator |
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{ |
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/** |
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* @var array values |
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*/ |
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protected $values = []; |
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/** |
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* @var array errors |
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*/ |
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protected $errors = []; |
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/** |
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* @var bool Use Session variable to store data |
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* If set to true, use ValidationMiddleware to extract the error from the Session. |
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*/ |
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protected $useSession; |
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/** |
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* Validator constructor. |
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* @param array $config |
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*/ |
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public function __construct(array $config = []) |
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{ |
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$this->useSession = $config['useSession'] ?? false; |
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} |
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/** |
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* @param Request|array $params |
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* @param array $rules |
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* @param mixed $default |
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* @return $this |
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* @throws \Exception |
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*/ |
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public function validate($params, array $rules, $default = null): Validator |
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{ |
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if ($params instanceof Request) { |
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return $this->validateRequest($params, $rules, $default); |
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} elseif (is_array($params)) { |
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return $this->validateArray($params, $rules, $default); |
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} |
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throw new \Exception('Unknown type given for $params.'); |
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} |
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/** |
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* @param Request $request |
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* @param array $rules |
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* @param mixed $default |
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* @return $this |
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*/ |
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public function validateRequest(Request $request, array $rules, $default = null) |
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{ |
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$params = $request->getParsedBody(); |
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return $this->runValidation($params, $rules, $default); |
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} |
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/** |
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* @param array $params |
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* @param array $rules |
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* @param mixed $default |
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* @return $this |
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*/ |
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public function validateArray(array $params, array $rules, $default = null) |
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{ |
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return $this->runValidation($params, $rules, $default); |
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} |
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/** |
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* @param array $params |
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* @param array $rules |
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* @param mixed $default |
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* @return Validator |
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*/ |
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protected function runValidation(array $params, array $rules, $default = null) |
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{ |
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foreach ($rules as $field => $rule) { |
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try { |
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$param = isset($params[$field]) ? $params[$field] : $default; |
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$this->values[$field] = $param; |
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$rule->setName(ucfirst($field))->assert($param); |
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} catch (NestedValidationException $e) { |
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$this->errors[$field] = $e->getMessages(); |
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} |
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} |
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if ($this->failed() && $this->useSession) { |
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$_SESSION['TS_PHPValidator_Errors'] = $this->errors; |
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$_SESSION['TS_PHPValidator_Values'] = $this->values; |
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} |
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return $this; |
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} |
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/** |
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* Validation failed? |
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* @return bool |
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*/ |
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public function failed(): bool |
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{ |
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return !empty($this->errors); |
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} |
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/** |
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* Is the validation valid. |
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* @return bool |
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*/ |
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public function isValid(): bool |
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{ |
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return empty($this->errors); |
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} |
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/** |
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* @param array $errors |
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*/ |
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public function setErrors(array $errors) |
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{ |
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$this->errors = $errors; |
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} |
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/** |
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* Get all errors |
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* @return array |
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*/ |
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public function getErrors(): array |
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{ |
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return $this->errors; |
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} |
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/** |
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* @param array $values |
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*/ |
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public function setValues(array $values) |
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{ |
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$this->values = $values; |
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} |
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/** |
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* Set value by key |
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* @param $key |
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* @param mixed $default |
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*/ |
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public function setValue($key, $value) |
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{ |
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$this->values[$key] = $value; |
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} |
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/** |
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* Get all values |
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* @return array |
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*/ |
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public function getValues(): array |
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{ |
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return $this->values; |
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} |
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/** |
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* Get value by key |
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* @param $key |
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* @param null $default |
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* @return mixed|null |
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*/ |
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public function getValue($key, $default = null) |
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{ |
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return isset($this->values[$key]) ? $this->values[$key] : $default; |
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} |
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} |
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TerminusStudio /
PHPValidator
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