ArrayUtility.php

<?php

/**
 * tollwerk
 *
 * @category   Tollwerk
 * @package    Tollwerk\TwBase
 * @subpackage Tollwerk\TwBase\Utility
 * @author     Joschi Kuphal <joschi@tollwerk.de> / @jkphl
 * @copyright  Copyright © 2019 Joschi Kuphal <joschi@tollwerk.de> / @jkphl
 * @license    http://opensource.org/licenses/MIT The MIT License (MIT)
 */

/***********************************************************************************
 *  The MIT License (MIT)
 *
 *  Copyright © 2019 Joschi Kuphal <joschi@tollwerk.de>
 *
 *  Permission is hereby granted, free of charge, to any person obtaining a copy of
 *  this software and associated documentation files (the "Software"), to deal in
 *  the Software without restriction, including without limitation the rights to
 *  use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
 *  the Software, and to permit persons to whom the Software is furnished to do so,
 *  subject to the following conditions:
 *
 *  The above copyright notice and this permission notice shall be included in all
 *  copies or substantial portions of the Software.
 *
 *  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 *  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
 *  FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
 *  COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
 *  IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
 *  CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 ***********************************************************************************/

namespace Tollwerk\TwBase\Utility;

/**
 * Array utility
 *
 * @package    Tollwerk\TwBase
 * @subpackage Tollwerk\TwBase\Utility
 */
class ArrayUtility
{
    /**
     * Recursively convert empty values in an array to FALSE
     *
     * @param array $array Array
     *
     * @return array Modified array
     */
    public static function recursivelyFalsify(array $array): array
    {
        foreach ($array as $key => $value) {
            if (is_array($value)) {
                $array[$key] = self::recursivelyFalsify($value);
            } else {
                $array[$key] = empty($value) ? false : $value;
            }
        }

        return $array;
    }
}