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Editorial Team
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Asked: 2026-06-14T20:46:30+00:00

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));

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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

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1 Answer

  1. Editorial Team

    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

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