PHP form submission (POST & GET & URL encoding/decoding)

: This article mainly introduces PHP form submission (POST & GET & URL codec). If you are interested in PHP tutorials, refer to it. The POST method does not depend on the URL and does not display the passed parameter values in the address bar. In addition, the POST method can transmit data to the server without restrictions, and all submitted information is transmitted in the background. users cannot see this process in the browser, which is highly secure.

The POST method is suitable for sending a confidential or large amount of data to the server.

The GET method is

The default method of the method attribute in the form. The form data submitted using the GET method is appended to the URL and sent to the server as part of the URL.

Note: To send a form using the GET method, the URL length should be limited to 1 MB. If the sent data volume is too large, the data will be truncated, resulting in unexpected or failed processing results.

Encode/decode the data transmitted by the hyperlink:

String urlencode (string str): URL-encoded string str

String urldecode (string str): Decode

The above introduces PHP form submission (POST & GET & URL encoding/decoding), including some content, and hope to be helpful to friends who are interested in PHP tutorials.