As you said you have taken that from the website, you have not modified it properly as you wanted it to work.
This is why I have been asking you, what it means.
for example: this was extracted from the URL you gave in your previous post.
Here in this line of code, it means that,
<a href='edit.php?id=".$content[id]."&action=edit'>Edit movie</a>
EDIT Movie will be displayed as a link, on clicking it it would take you to
edit.php?id=10&action=edit
Where Querystrings are id=10 and action=edit.
when you request for the querystring values, You can take the Id's value, in this case 10, and query the database based on Id=10 and get the values to be displayed in a FORM, which can be edited and Saved. The other querystring
Action=Edit
is used to check if the action is edit, and act up on it based on its action value. If it is "delete" then delete the row and so on...
But when you modified it, you have just given it as .Show. and .edit.
Actually, when you use "." it is called contactenation operator, used to concatenate strings and values of variables.
Variables are prefixed with $
I Strongly suggest you to go through the PHP manual and then take code from the websites, and modify it as you would want it. But if you try to learn it this way, you would never get help from people here, as it is a forum that guides you in solving the problem, where it does not teach/spoon feed anyone. So please do have some idea in what you are trying to do syntactically.
http://www.php.net - PHP manual website.
Please do not mistake me the way I replied you. I really didnot want to hurt you, as I always wanted to to help you but atlast came to know that you have taken code some website and was not clear in your requirement too. Also I saw you posting the same in another thread here.;)
No one knows everything. Every step is a learning.
All the best.
Cheers,
-Vijay G