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<?php $keys = array('mesic', 'den', 'hodina'); $row = array('1988'); $hlp = &$row['1988']; foreach($keys as $key) { $hlp[$key] = array(); $hlp = &$hlp[$key]; } var_dump($row);
Output for 5.2.1 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.7 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
array(2) { [0]=> string(4) "1988" [1988]=> array(1) { ["mesic"]=> array(1) { ["den"]=> array(1) { ["hodina"]=> &array(0) { } } } } }
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0
array(2) { [0]=> string(4) "1988" [1988]=> &array(1) { ["mesic"]=> &array(1) { ["den"]=> &array(1) { ["hodina"]=> &array(0) { } } } } }

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266.59 ms | 402 KiB | 327 Q