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<?php declare(strict_types = 1); |
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/** |
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* Created by Vitaly Iegorov <[email protected]>. |
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* on 20.08.16 at 12:39 |
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*/ |
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namespace samsonframework\container; |
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use samsonframework\container\collection\CollectionClassResolver; |
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/** |
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* XML class metadata collector. |
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* Class resolves and collects class metadata from XML string. |
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* |
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* @author Vitaly Egorov <[email protected]> |
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*/ |
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class XmlMetadataCollector extends AbstractMetadataCollector |
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{ |
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/** |
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* {@inheritdoc} |
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*/ |
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public function collect($xmlConfig) : array |
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{ |
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$classesMetadata = []; |
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// Iterate config and resolve single instance |
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foreach ($this->xml2array(new \SimpleXMLElement($xmlConfig)) as $key => $classesArrayData) { |
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if ($key === CollectionClassResolver::KEY) { |
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/** @var array $classesArrayData */ |
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foreach ($classesArrayData as $classArrayData) { |
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$classesMetadata[] = $this->resolver->resolve($classArrayData); |
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} |
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} |
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} |
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return $classesMetadata; |
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} |
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/** |
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* function xml2array |
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* |
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* This function is part of the PHP manual. |
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* |
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* The PHP manual text and comments are covered by the Creative Commons |
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* Attribution 3.0 License, copyright (c) the PHP Documentation Group |
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* |
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* @param \SimpleXMLElement|array $xmlObject |
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* @param array $out |
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* |
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* @return array XML converted array |
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* |
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* @author k dot antczak at livedata dot pl |
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* @date 2011-04-22 06:08 UTC |
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* @link http://www.php.net/manual/en/ref.simplexml.php#103617 |
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* @license http://www.php.net/license/index.php#doc-lic |
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* @license http://creativecommons.org/licenses/by/3.0/ |
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* @license CC-BY-3.0 <http://spdx.org/licenses/CC-BY-3.0> |
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*/ |
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protected function xml2array($xmlObject, array $out = []) : array |
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{ |
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foreach ((array)$xmlObject as $index => $node) { |
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$out[$index] = (is_object($node) || is_array($node)) ? $this->xml2array($node) : $node; |
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} |
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return $out; |
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} |
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} |
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In PHP it is possible to write to properties without declaring them. For example, the following is perfectly valid PHP code:
Generally, it is a good practice to explictly declare properties to avoid accidental typos and provide IDE auto-completion: