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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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/** |
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* Validator for comparing values. |
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*/ |
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abstract class AbstractComparator extends ParametrizedValidator { |
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/** |
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* Holds the amount of parameters. |
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*/ |
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protected $amountOfParameters = 1; |
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/** |
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* Holds the type of the validator. |
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*/ |
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protected $type; |
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/** |
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* Performs the comparison. |
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* |
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* @param mixed $value |
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* the first value to compare |
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* @param mixed $parameters |
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* the values to compare |
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* |
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* @return boolean |
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* true if value compares to the parameters |
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*/ |
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abstract protected function isValidComparison($value, $parameters); |
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/** |
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* Checks whether all given parameters are numeric. |
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* |
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* @return boolean |
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* true if all values are numeric |
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*/ |
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protected function isAllNumeric() { |
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foreach (func_get_args() as $value) { |
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if (!is_numeric($value)) { |
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return false; |
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} |
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} |
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return true; |
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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 $parameters) { |
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$this->validateParameterCount($this->type, $this->amountOfParameters, $parameters); |
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return in_array($value, array('', null), true) || |
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$this->isValidComparison($value, $parameters); |
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} |
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} |
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