Online PHP editor | output for tiAOI

<?php $test = array( 'gid'=>1, 'phone_number'=>1, 'weibo'=>1, 'qq'=>1, 'email'=>1, 'gender'=>1, 'age'=>1, 'area'=>1, 'computer'=>1, 'phone'=>1, 'valid_user'=>1, 'bank'=>json_encode(array(1,2,3)), 'tag_big'=>json_encode(array(1,2,3)), 'tag_medium'=>json_encode(array(1,2,3)), 'tag_small'=>json_encode(array(1,2,3)), 'family'=>json_encode(array(1,2,3)), 'friend'=>json_encode(array(1,2,3)), 'visitor'=>json_encode(array(1,2,3)) ); $field = array( 'gid', 'phone_number', 'weibo', 'qq', 'email', 'gender', 'age', 'area', 'computer', 'phone', 'valid_user', 'bank', 'tag_big', 'tag_medium', 'tag_small', 'family', 'friend', 'visitor' ); function constructPortrait($field, $test){ $retPortraitArr = array(); $portraitArr = array($test); $func = function($field,$portrait) { return empty($portrait) ? 'st' : $portrait; }; foreach($portraitArr as $key => $portrait){ $retPortraitArr = array_map($func , $field, $portrait); } return $retPortraitArr; } echo json_encode(constructPortrait($field, $test));