md5 is it unique

Posted on 16th Feb 2014 07:03 pm by admin

I know this is most likely one of many simple questions that can be found semi easily. But I'm pressed for time. I have searched google, php.net, etc. But it only tells me how to make md5 hashes. Ok great that part I knew.

What I am curious of is, if I create a md5 hash and store it as a session a cookie, or an entry in a database for later comparison with something else. If I followed the same exact method of creating the variable for the session, with the same exact data, would it create the same exact hash as before or would it create a new hash that would be diffrent

example

$session_key = md5('Name-of-Product'.'Price'.'Shipping');
$compare_key = md5('Name-of-Product'.'Price'.'Shipping');

for the example above I would initial hash the info for the $session_key

through a series of different actions the user will eventually end up sending the data through the site via some form of variable or another $_POST or $_GET what I am tempting to do is want to make sure that if i take the user provided data that it matches that of the session I created earlier by comparing the 2 hash strings.

Your Answer:

Login to answer

Other forums

Trying to add functions to table
I have this list of characters and I'm trying to figure out what I have to do to put the results of

Form help: Syntax & Logic
Hello again all,

I'm working on a form and ran into a wall (again) and can't seem to think th

CURL question
i am wondering if it's possible to use multi curl with login something like

login once to web

mails going in spam??
The mails I sent to folks in my database using mail(function) are going in spam??

Any idea ho

Xacute search within SQL results
I have a query that is pulling data, and I want to return a specific value from the results of that

insert/update functions for mysql, what do you think?
I am working on two really simple functions that automatically generate (and execute) insert and upd

"From field" in PHP email form
I used a wizard to create a PHP email form. I was able to customize it with the exception of the Fr

XML Grouping
I'm using xml_parse_into_struct to get all my elements, but now I need to group them. For example, h

default SAP userid
hi,, I just like to know if it is ok to use the default SAP user id (SAP*)?

Why use interfaces in PHP (OOP)
I am learning OOP in PHP and its been a pretty good learning experience so far. What I didn't unders