Cross-Domain pre-flight OPTIONS forbidden

php jquery apache codeigniter cors

Try to change - to _ in header names.

https://github.com/philsturgeon/codeigniter-restserver/blob/4fb294b45607d394871a9d1cb9828e789195826a/application/libraries/REST_Controller.php#L681

php jquery apache codeigniter cors

I found an answer in another Stack Overflow thread and it works!

You need to detect method and if it's OPTIONS then exit php by die()!

Credit: https://stackoverflow.com/a/19310265/3679394