Online PHP editor | refs for 7djaj

<?php $array = [ "date_2018_08" => 81, "date_2018_09" => 70, "date_2018_10" => 70, "date_2018_11" => 95, "date_2018_12" => 75, "date_2019_01" => 91, "date_2019_02" => 78, "date_2019_03" => 95, "date_2019_04" => 68 ]; $year = 2019; $filtered = array_filter( $array, function ($key) use ($year) { $parts = explode("_", $key); return $parts[1] >= $year; }, ARRAY_FILTER_USE_KEY ); print_r($filtered);