Access-Control-Allow-Origin is not showing up in response headers from codeigniter
ajax, codeigniter, php, xmlhttprequest
Solution
It turns out, it worked for me only when i set the headers via the PHP syntax `header()` instead of the codeigniter syntax `$CI->output->set_header()`. That's sad.
Thanks to the first comment by @Yan at the Question of this topic
Problem
My Codeigniter file says ``` $CI->output->set_header("Access-Control-Allow-Origin: *"); $CI->output->set_header("Access-Control-Expose-Headers: Access-Control-Allow-Origin"); $CI->output->set_status_header(200); $CI->output->set_content_type('application/json'); echo json_encode(array("city" => "dhaka")); ``` but the http response that i get are: ``` Request URL:http://localhost/index.php/location/city Request Method:POST Status Code:200 OK Connection:Keep-Alive Content-Length:16 Content-Type:text/html Date:Sun, 22 Jul 2012 10:27:32 GMT Keep-Alive:timeout=5, max=100 Server:Apache/2.2.21 (Unix) mod_ssl/2.2.21 OpenSSL/0.9.8r DAV/2 PHP/5.3.6 X-Powered-By:PHP/5.3.6 ``` The header `Access-Control-Allow-Origin` is missing in the response even after including `Access-Control-Expose-Headers: Access-Control-Allow-Origin`. My source of information about this header is from Mozilla Developer Website