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<?php |
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/* |
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* This file is part of the Valdi package. |
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* |
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* (c) Philip Lehmann-Böhm <[email protected]> |
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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 Valdi\Validator; |
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use Valdi\ValidationException; |
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/** |
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* Validator for strings containing a substring. |
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*/ |
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class Contains implements ValidatorInterface { |
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/** |
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* Throws an exception if the parameters don't fullfill the expected |
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* parameter count. |
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* |
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* @param integer $parameterAmount |
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* the amount of expected parameters |
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*/ |
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protected function validateParameterCount($parameterAmount) { |
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if ($parameterAmount < 1) { |
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throw new ValidationException('"contains" expects at least 1 parameter.'); |
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} |
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} |
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/** |
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* Adjusts value and parameters to be case insensitive if the second |
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* parameter says so or is not given. |
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* |
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* @param mixed $value |
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* the value to validate |
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* |
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* @param array $parameters |
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* the other parameters the validator need |
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*/ |
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protected function adjustCaseInsensitive(&$value, &$parameters) { |
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$parameterAmount = count($parameters); |
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if ($parameterAmount == 1 || $parameterAmount > 1 && $parameters[1]) { |
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$parameters[0] = strtolower($parameters[0]); |
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$value = strtolower($value); |
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} |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function isValid($value, array $parameters) { |
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$parameterAmount = count($parameters); |
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$this->validateParameterCount($parameterAmount); |
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$this->adjustCaseInsensitive($value, $parameters); |
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return in_array($value, array('', null), true) || strpos($value, $parameters[0]) !== false; |
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} |
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} |
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philiplb /
Valdi
