Online PHP editor | refs for nlC3W

<?php $ar = []; $ar[] = [45 => ['1 day']]; $ar[] = [45 => ['- None -']]; $ar[] = [46 => ['2 day']]; $ar[] = [46 => ['- None -']]; $ar[] = [47 => ['3 day']]; print_r($ar); foreach($ar as $key=>$row){ foreach($row as $ind=>$val){ if ($val[0] == '- None -') unset($ar[$key]); } } sort($ar); print_r($ar);