3v4l.org

run code in 300+ PHP versions simultaneously
<?php $items=array( array( 'orderno' => '150228085016', 'delivery_time' => '1425124096', 'create_time' => '1425174370'), array ( 'orderno' => '150228084786', 'delivery_time' => '1425124096', 'create_time' => '1425174374'), array ( 'orderno' => '150228090539', 'delivery_time' => '1425123584', 'create_time' => '1425174387') ); $items = array_map(function ($item) { $item['delivery_time'] = date('Y-m-d', $item['delivery_time']); $item['create_time'] = date('Y-m-d', $item['create_time']); return $item; },$items); print_r( $items); var_dump(mb_detect_encoding('哈哈') == 'UTF-8'); function insertAt($items, $index, $value) { array_splice($items, $index, 0, $value); return $items; } $items= ['苹果','橘子','梨','菠萝','香蕉','火龙果'] ; $items=insertAt($items, 2 , '橙子'); print_r( $items);

preferences:
46.74 ms | 402 KiB | 5 Q