What is http status code 204?

HTTP status code 204 means that the server successfully processed the request, but did not return any content. It is a type of successful status code "2xx series", but unlike other successful status codes, the 204 status code Indicates that the server has successfully processed the request, but there is no entity content to be sent to the client in the response.

# Operating system for this tutorial: Windows 10 system, Dell G3 computer.

HTTP status code 204 means that the server successfully processed the request but did not return anything. It is a type of status code that belongs to success (2xx series), but unlike other success status codes, the 204 status code indicates that the server has successfully processed the request, but there is no entity content to be sent to the client in the response.

Common usage scenarios include:

1. Delete operation: When the client sends a delete request to the server, the server successfully deletes the resource, but it is not needed When returning any response content, a 204 status code can be used as a response.

2. Update operation: When the client sends an update request to the server, and the server successfully processes the request, but does not need to return the updated entity content, the 204 status code can also be used as a response. .

Compared with returning an empty 200 OK response, using the 204 status code can clearly indicate that the server has successfully processed the request and does not return any content, reducing the amount of data transmission and improving performance.

It should be noted that although 204 indicates that the request was successfully processed, it does not mean that the result of the request is not affected or changed. It's just that the server will not return anything in the response, and the client can still perform subsequent operations based on its own logic.

The above is the detailed content of What is http status code 204?. For more information, please follow other related articles on the PHP Chinese website!