Online PHP editor | refs for NPOu9

<?php $arr = [ ["name"=>"La casa de papel", "last_modified"=>"1586198606" ], ["name"=>"Sintonia", "last_modified"=>"1586015522"], ["name"=>"Outra Vida", "last_modified"=> "1608409121" ], ["name"=>"Law & Order: UK", "last_modified"=>"1619515436" ] ]; usort($arr, function($a, $b){return $a['last_modified']<=>$b['last_modified'];}); var_dump($arr);