Why NULL is returned can"t be understood
dump($info);
dump(function_exists("wx_user_info_filter"));
dump(wx_user_info_filter("groupid"));
dump(array_filter($info,"wx_user_info_filter",ARRAY_FILTER_USE_KEY));
/**
* @param $k
* @return bool
*/
function wx_user_info_filter($k){
$arr=array("groupid","subscribe_scene","tagid_list","qr_scene","qr_scene_str");
if((boolean) in_array(strtolower($k),$arr)){
return false;
}else{
return true;
}
}array(17) {
["subscribe"] => int(1)
["openid"] => string(28) "xxxxxxxx"
["nickname"] => string(11) "xxxxxxxx"
["sex"] => int(1)
["language"] => string(5) "xxxxxxxx"
["city"] => string(6) "xxxxxxxx"
["province"] => string(6) "xxxxxxxx"
["country"] => string(6) "xxxxxxxx"
["headimgurl"] => string(133) "xxxxxxxx"
["subscribe_time"] => int(1540366847)
["remark"] => string(0) ""
["groupid"] => int(0)
["tagid_list"] => array(0) {
}
["subscribe_scene"] => string(16) "ADD_SCENE_SEARCH"
["qr_scene"] => int(0)
["qr_scene_str"] => string(0) ""
["group_id"] => int(0)
}
bool(true)
bool(false)
NULL