Ajax处理数据库错误

Question

This may be more of an opinion based answer but I would like to know which method is more efficient/faster for handling database errors through an ajax call. Both of these errors would be handled in the success function of the ajax call.

method 1:

<?php
header("dberror:" . $errormsg );
exit();
?>

method 2:

<?php
echo json_encode(array("dberror" => $errormsg));
?>

Answer 1

for example i dont show any errors on JSON i simply do a transaction message is success or had an error example

  { "transaction":"success" }

  { "transaction":"error" }

and also you need to setup a json header.

 header('application/json');

 echo json_encode($json_string); 

Answer 2

I think the json method is better for parsing. With jquery you can do an ajax call specially for json. The call is $.getJSON (). I have never seen to return an error as header ...