Online PHP editor | refs for spN2q

<?php $array = Array( '0' => Array ( 'payment' => 1, 'amount' => 100) , '1' => Array ( 'payment' => 2, 'amount' => 300 ) , '2' => Array ( 'payment' => 3, 'amount' => 800 ) ); function getNearest($search, $arr) { $closest = null; foreach ($arr as $item) { if ($closest === null || abs($search - $closest) > abs($item - $search)) { $closest = $item; } } return $closest; } $key = array_search(getNearest(350, array_column($array,'amount')),array_column($array,'amount')); echo $array[$key]['payment'];