wp_send_json()
Function: Sends a JSON response back to an Ajax request.
Source: wp-includes/functions.php:4409
Function: Sends a JSON response back to an Ajax request.
Source: wp-includes/functions.php:4409
Function: Sends a JSON response back to an Ajax request, indicating success.
Source: wp-includes/functions.php:4456
Function: Sends a JSON response back to an Ajax request, indicating failure.
Source: wp-includes/functions.php:4483