Online PHP editor | output for YsJ3a

<?php $data = '{ "instrument":"EUR_USD", "granularity":"D", "candles":[ { "complete":true, "volume":32813, "time":"2017-01-02T22:00:00.000000000Z", "ask":{ "o":"1.04711", "h":"1.04908", "l":"1.03413", "c":"1.04061" } }, { "complete":true, "volume":34501, "time":"2017-01-03T22:00:00.000000000Z", "ask":{ "o":"1.04076", "h":"1.05009", "l":"1.03907", "c":"1.04908" } }, { "complete":true, "volume":52627, "time":"2017-01-04T22:00:00.000000000Z", "ask":{ "o":"1.04911", "h":"1.06161", "l":"1.04816", "c":"1.06083" }}]}'; $arr = json_decode($data,true); $c = array_map( function ($in){ return $in['ask']['c']; }, $arr['candles']); sort($c); echo 'Min is: '.current($c)."\n"; echo 'Max is: '.end($c);