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<?php |
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/* Copyright (c) 2004-2013 Bart van den Burg |
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Permission is hereby granted, free of charge, to any person obtaining a copy |
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of this software and associated documentation files (the "Software"), to deal |
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in the Software without restriction, including without limitation the rights |
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
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copies of the Software, and to permit persons to whom the Software is furnished |
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to do so, subject to the following conditions: |
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The above copyright notice and this permission notice shall be included in all |
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copies or substantial portions of the Software. |
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN |
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THE SOFTWARE. */ |
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namespace App\Form\DataTransformer; |
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use Symfony\Component\Form\DataTransformerInterface; |
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use Symfony\Component\Form\Exception\TransformationFailedException; |
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class HashToKeyValueArrayTransformer implements DataTransformerInterface |
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{ |
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/** |
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* @param bool $useContainerObject Whether to return a KeyValueContainer object or simply an array |
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*/ |
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public function __construct(private bool $useContainerObject) |
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{ |
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} |
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/** |
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* Doing the transformation here would be too late for the collection type to do it's resizing magic, so |
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* instead it is done in the forms PRE_SET_DATA listener |
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*/ |
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public function transform($value): mixed |
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{ |
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return $value; |
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} |
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/** |
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* @throws TransformationFailedException |
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*/ |
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public function reverseTransform(mixed $value): KeyValueContainer|array { |
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$return = $this->useContainerObject ? new KeyValueContainer() : []; |
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foreach ($value as $data) { |
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if (['key', 'value'] != array_keys($data)) { |
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throw new TransformationFailedException; |
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} |
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if (array_key_exists($data['key'], $return)) { |
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throw new TransformationFailedException('Duplicate key detected'); |
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} |
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$return[$data['key']] = $data['value']; |
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} |
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return $return; |
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} |
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} |
SchulIT /
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