PHP -> GET and POST Methods

Form is used to send the information to website.

There is two method GET & POST. By Default it is GET method, if you don't specify in method attribute.
Both method have their own advantage & disadvantage.

GET Method

Advantage  of GET method

• Data is visible in Address Bar (URL), when form is submit through GET method.
• As data is visible in URL, It good for search.  when can copy URL and past in address bar then he need not to re-select the option for submit.
• Access through $_GET  (SUPER GLOBAL variable ) in PHP
• Access through $_REQUEST (SUPER GLOBAL variable )

Disadvantage  of GET method

• Data is visible in Address Bar (URL), sometimes when don't want to let the user to know what we are sending in form like checkout page.
• It has limit 2KB, you can't send more than 2 KB
• Data is not secured as visible in address bar.
• Can't Access data with $_POST 
•  you cannot send file with GEt Method.

POST Method

Advantage  of  POST method

• Data is not visible in Address Bar, when form is submit through POST method.
• Data is more secure in POST method as compare to GET method.
• Access through $_POST  (SUPER GLOBAL variable ) in PHP.
• Access through $_REQUEST (SUPER GLOBAL variable ).
• You can send file like image, zip file in POST Method.
• By Default "php_value post_max_size" is 8MB, but we can increase it from php.ini file