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<?php |
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/* |
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* This file is part of the Stack Exchange Api Client library. |
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* |
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* Copyright (c) 2014-2016 Beñat Espiña <[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 BenatEspina\StackExchangeApiClient\Serializer; |
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use BenatEspina\StackExchangeApiClient\Model\Model; |
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/** |
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* The serializer abstract class. |
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* |
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* @author Beñat Espiña <[email protected]> |
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*/ |
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abstract class Serializer |
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{ |
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/** |
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* Fully qualified model class name. |
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* |
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* @var string |
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*/ |
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protected static $class; |
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/** |
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* Serializes the given data in a correct domain model class. |
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* |
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* @param mixed $data The given data |
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* |
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* @throws \Exception when the given data is incorrect |
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* |
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* @return array|Model |
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*/ |
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public static function serialize($data) |
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{ |
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if (false === array_key_exists('items', $data)) { |
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throw new \Exception('Given data is incorrect'); |
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} |
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$class = static::className(); |
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if (count($data['items']) > 1) { |
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$objects = []; |
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foreach ($data['items'] as $item) { |
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$objects[] = $class::fromJson($item); |
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} |
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return $objects; |
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} |
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return $class::fromJson($data['items'][0]); |
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} |
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/** |
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* Gets the fully qualified class name. |
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* |
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* @throws \Exception when the class is not a model instance |
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* |
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* @return string |
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*/ |
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private static function className() |
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{ |
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$reflectionClass = new \ReflectionClass(static::$class); |
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if (false === $reflectionClass->implementsInterface(Model::class)) { |
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throw new \Exception('Given class name is not a model instance'); |
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} |
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return static::$class; |
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} |
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} |
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Let’s assume you have a class which uses late-static binding:
}
The code above will run fine in your PHP runtime. However, if you now create a sub-class and call the
getSomeVariable()on that sub-class, you will receive a runtime error:In the case above, it makes sense to update
SomeClassto useselfinstead: