php set http code
/* Example #1 Using http_response_code() in a web server environment
--------------------------------------------------------------------*/
// Get the current response code and set a new one
var_dump(http_response_code(404)); // output: 200
// Get the new response code
var_dump(http_response_code()); // output: 404
/* Example #2 Using http_response_code() in a CLI environment
-------------------------------------------------------------*/
// Get the current default response code
var_dump(http_response_code()); // output: false
// Set a response code
var_dump(http_response_code(201)); // output: true
// Get the new response code
var_dump(http_response_code()); // output: 201