What is the difference between post and get methods?

• With get, data is included in the form body when send to the server. With post, the data goes through the URL
• HTTP's purpose is to enable communications between clients and servers

EXAMPLE:

Image Source:

https://www.tutorialexample.com/a-simple-way-to-get-file-extension-in-php-php-tutorial/

GET

/test/demo_form.php?name1=value1&name2=value2

Notes

GET requests can be cached

GET requests remain in the browser history

GET requests can be bookmarked

GET requests should never be used when dealing with sensitive data

GET requests have length restrictions

GET requests are only used to request data (not modify)

• The GET method is used to retrieve information from the given server using a given URI. Requests using GET should only retrieve data and should have no other effect on the data.

POST

POST /test/demo_form.php HTTP/1.1

Host: w3schools.com

name1=value1&name2=value2

Notes

POST requests are never cached

POST requests do not remain in the browser history

POST requests cannot be bookmarked

POST requests have no restrictions on data length

• A POST request is used to send data to the server, for example, customer information, file upload, etc. using HTML forms.

HTTP Methods

• GET
• POST
• PUT
• HEAD
• DELETE
• PATCH
• OPTIONS

The two most common HTTP methods are: GET and POST.

SOURCES:

https://www.w3schools.com/tags/ref_httpmethods.asp

https://www.tutorialspoint.com/http/http_requests.htm