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<?php |
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/* |
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* This file is part of Graze DataStructure |
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* |
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* Copyright (c) 2017 Nature Delivered Ltd. <http://graze.com> |
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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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* @see http://github.com/graze/data-structure/blob/master/LICENSE |
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* @link http://github.com/graze/data-structure |
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*/ |
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namespace Graze\DataStructure\Container; |
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/** |
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* ImmutableFlatContainer can access data in child arrays and containers, any modification is immutable |
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* (for the top level) but can modify child containers |
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* |
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* ```php |
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* $container = new ImmutableFlatContainer(['a'=>'b']); |
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* $new = $container->set('c', 'd'); |
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* $container->getAll(); |
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* // ['a' => 'b'] |
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* $new->getAll() |
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* // ['a' => 'b', 'c' => 'd'] |
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* |
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* $child = new Container(['a' => 'b']); |
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* $container = new ImmutableFlatContainer([ |
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* ``` |
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*/ |
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class ImmutableFlatContainer extends FlatContainer |
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{ |
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/** |
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* @param array $params |
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*/ |
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public function __construct(array $params = []) |
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{ |
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parent::__construct([]); |
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foreach ($params as $key => $value) { |
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$this->doSet($key, $this->recursiveClone($value)); |
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} |
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} |
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/** |
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* @param string $key |
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* @param mixed $value |
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* |
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* @return ContainerInterface |
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*/ |
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public function set($key, $value) |
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{ |
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$cont = clone $this; |
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$cont->doSet($key, $this->recursiveClone($value)); |
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return $cont; |
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} |
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/** |
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* Clone children to ensure any modifications can not change this objects contents |
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* |
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* @param string $key |
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* |
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* @return mixed |
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*/ |
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public function get($key) |
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{ |
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return $this->recursiveClone(parent::get($key)); |
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} |
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/** |
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* @param string $key |
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* |
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* @return ContainerInterface |
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*/ |
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public function remove($key) |
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{ |
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if ($this->has($key)) { |
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$cont = clone $this; |
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$cont->doRemove($key); |
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return $cont; |
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} |
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return $this; |
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} |
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} |
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graze /
data-structure
