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

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

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. All submitted information is transmitted in the background, and the user cannot see this process in the browser,High Security.

POSTThis 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> 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 must be within 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 ):Encode the string 'str' with a URL

String urldecode (string str ):Decoding

The above discussion about PHP form submission (POST & GET & URL encoding/decoding) is all the content that xiaobian shares with you. I hope to give you a reference and support for the help house.