Why we use this method in web develop!!

Question

<?php
if($_SERVER['REQUEST_METHOD']=='POST'){
// php code here
} ?>

we use it to stop php code run when Web page is loading
because auto run cause problems when connecting to data base

and we can run it when click the `submit` button

Answer 1

$_SERVER['REQUEST_METHOD']

contains the request method. It is used to check request method.This variable also says if the request is a 'GET', 'HEAD', 'POST' or 'PUT' request.