85 lines
2.2 KiB
PHP
85 lines
2.2 KiB
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 ArrayAccess;
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use Respect\Validation\Exceptions\ComponentException;
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class KeyNested extends AbstractRelated
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{
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public function hasReference($input)
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{
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try {
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$this->getReferenceValue($input);
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} catch (ComponentException $cex) {
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return false;
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}
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return true;
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}
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private function getReferencePieces()
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{
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return explode('.', rtrim($this->reference, '.'));
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}
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private function getValueFromArray($array, $key)
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{
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if (!array_key_exists($key, $array)) {
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$message = sprintf('Cannot select the key %s from the given array', $this->reference);
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throw new ComponentException($message);
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}
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return $array[$key];
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}
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private function getValueFromObject($object, $property)
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{
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if (empty($property) || !property_exists($object, $property)) {
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$message = sprintf('Cannot select the property %s from the given object', $this->reference);
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throw new ComponentException($message);
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}
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return $object->{$property};
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}
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private function getValue($value, $key)
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{
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if (is_array($value) || $value instanceof ArrayAccess) {
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return $this->getValueFromArray($value, $key);
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}
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if (is_object($value)) {
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return $this->getValueFromObject($value, $key);
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}
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$message = sprintf('Cannot select the property %s from the given data', $this->reference);
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throw new ComponentException($message);
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}
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public function getReferenceValue($input)
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{
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if (is_scalar($input)) {
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$message = sprintf('Cannot select the %s in the given data', $this->reference);
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throw new ComponentException($message);
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}
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$keys = $this->getReferencePieces();
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$value = $input;
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while (!is_null($key = array_shift($keys))) {
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$value = $this->getValue($value, $key);
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}
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return $value;
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}
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}
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