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Current File : /var/www/v3.cesa.co.za/src/CoreBundle/Form/DataTransformer/ArrayToJsonTransformer.php

<?php

namespace App\CoreBundle\Form\DataTransformer;

use Symfony\Component\Form\DataTransformerInterface;
use Symfony\Component\Form\Exception\TransformationFailedException;

class ArrayToJsonTransformer implements DataTransformerInterface {

    /**
     * Transforms an array of IDs to a json string.
     *
     * @param  array|null $ids
     * @return string
     */
    public function reverseTransform($ids): string {

        if ((null === $ids) || (!is_array($ids))) {
            return json_encode(array());
        }

        return json_encode($ids);
    }

    /**
     * Transforms a json string to an array of IDs
     *
     * @param  string $jsonString
     *
     * @return array
     *
     * @throws TransformationFailedException if object (issue) is not found.
     */
    public function transform($jsonString): array {

        if (!$jsonString || strlen($jsonString) <= 0) {
            return array();
        }

        $retVal = json_decode($jsonString, true);

        if (!is_array($retVal) || is_null($retVal)) {
            return array();
        } else {
            return $retVal;
        }
    }
}