37 lines
979 B
PHP
37 lines
979 B
PHP
<?php
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/*
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* This file is part of Respect/Validation.
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*
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* (c) Alexandre Gomes Gaigalas <alexandre@gaigalas.net>
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*
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* For the full copyright and license information, please view the "LICENSE.md"
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* file that was distributed with this source code.
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*/
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namespace Respect\Validation\Rules;
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use Respect\Validation\Exceptions\ComponentException;
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use Respect\Validation\Validatable;
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class Key extends AbstractRelated
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{
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public function __construct($reference, Validatable $referenceValidator = null, $mandatory = true)
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{
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if (!is_scalar($reference) || '' === $reference) {
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throw new ComponentException('Invalid array key name');
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}
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parent::__construct($reference, $referenceValidator, $mandatory);
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}
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public function getReferenceValue($input)
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{
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return $input[$this->reference];
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}
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public function hasReference($input)
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{
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return is_array($input) && array_key_exists($this->reference, $input);
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}
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}
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