Source of file KeyhashHydrator.php

<?php

namespace TIC\DormBundle\Hydration;

use Doctrine\ORM\Internal\Hydration\ArrayHydrator;

/**

 * Récupération des résultats groupés par les valeurs uniques de la 1ère colonne (en index)

 *

 * Exemple:

 *   > SELECT a, b, c FROM t

 *   < array(

 *       a1 => array('a' => a1, 'b' => b1, 'c' => c1)

 *       a2 => array('a' => a2, 'b' => b2, 'c' => c2)

 *       ...

 *     )

 */

class KeyhashHydrator extends ArrayHydrator

{

	/**

	 * Hydrates all rows from the current statement instance at once.

	 *

	 * @return mixed[]

	 */

	protected function hydrateAllData(): array

	{

		$result = array();

		foreach (parent::hydrateAllData() as $data) {

			$key = \reset($data);

			if     ($key === null) $key = '[_NULL_]';

			elseif ($key === '')   $key = '[_EMPTY_]';

			$result[ $key ] = $data;

		}

		return $result;

	}

}