PHPize Online / SQLize Online  /  SQLtest Online

<?php $arr=["2021.06.26"=>["type1"=>[0=>["name"=>"name 1","time"=>"16:40:00"],1=>["name"=>"name 2","time"=>"11:00:00"],2=>["name"=>"name 3","time"=>"13:15:00"],3=>["name"=>"name 4","time"=>"22:09:00"],4=>["name"=>"name 5","time"=>"06:00:00"],],"type2"=>[0=>["name"=>"name 6","time"=>"11:40:00"],1=>["name"=>"name 7","time"=>"19:10:00"],2=>["name"=>"name 8","time"=>"13:15:00"],3=>["name"=>"name 9","time"=>"14:20:00"],4=>["name"=>"name 10","time"=>"00:00:00"],],],];foreach($arr["2021.06.26"]as $key=>$value){usort($arr["2021.06.26"][$key],function($a,$b){return $a["time"]<=>$b["time"];});} print_r($arr);