Get Vs Post

These two methods used for requests responses between server and client.

Get:

In get we request data from a particular url or resource eg:mypage.php?variable=msg&varibale2=msg2  this method not useful when dealing with secure data

Post:

In post we submit data to specific resource or page,its more secure method than get it has no limit for data length.

Concatenation In PHP of Variables

In php concatenation operator represented by (.) Example:

<?php

$first="php";

$second="-guidelines.blogspot.com";

echo"$first"."$second"; // print output php-guidelines.blogspot.com

?>