Warning: Undefined variable $api in /var/www/app/dev/api/msg_select.php on line 14
Fatal error: Uncaught Error: Call to undefined function return_json() in /var/www/app/dev/api/msg_select.php:16
Stack trace:
#0 {main}
thrown in /var/www/app/dev/api/msg_select.php on line 16