Filtre à utiliser en cas d'élément SearchAndSelect dont la saisie est facultative

<?php

namespace UnicaenApp\Filter;

use Laminas\Filter\AbstractFilter;

use UnicaenApp\Form\Element\SearchAndSelect;

class SearchAndSelectFilter extends AbstractFilter

{

    /**

     * @inheritDoc

     */

    public function filter($value)

    {

        if (!is_array($value)) {

            return $value;

        }

        if (!array_key_exists(SearchAndSelect::ID_ELEMENT_NAME, $value) || $value[SearchAndSelect::ID_ELEMENT_NAME] === '') {

            return null;

        }

        return $value;

    }

}

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