Online PHP editor | refs for lhmfg

<?php function sortAvg($array){ $a = array_slice($array, 0); $avg = array_sum($a)/count($a); echo $avg . "\n"; uasort($a, function($o, $b) use($avg){ return abs($o-$avg) > abs($b-$avg); }); return $a; } $array = [ 'A' => 50, 'B' => 155, 'C' => 75, 'D' => 245, 'E' => 300, 'F' => 100, 'G' => 153, ]; $results = sortAvg($array); $closestKey = array_keys($results)[0]; $closestValue = $results[$closestKey]; var_export([$closestKey, $closestValue]);