Is "$_post" unique per user

Question

Is the php variable POST unique to each user?
I mean does one get created for each user visiting the page/pages.

Since it is a vector I am wondering if it holds the user information for all visitors or if it is unique per user.

Also since it is a a vector, is there a definition where I can see all parameters it can hold.

Thanks.

Answer 1

AFAIK the $_POST variable is created on the server per incoming request, the content of the variable differs between one request and another, for example, in a web page login form, each client logically will be sending different data to the server, depending on their login name and password.

You can view a raw content of $_POST by passing it as an argument to print_r() function, e.g. print_r($_POST);.

You can get more details about PHP superglobal variables at the manual page:

http://php.net/manual/en/language.variables.superglobals.php

Hth, cmiiw