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That's a pretty good point, although, I don't really want to go back through all my code and change that. A good habit to form I suppose.

Wouldn't that be their fault and have no connection to me if they make a typo, which would be easy to fix anyway? I use notepad XD so no editor to write it in for me.

I'm sorry, I forgot something. I realise that if you have say 4 or 5 or more variables that the if statement may get cluttered, # Bad: if(empty($var1)||empty($var2)||empty($var3)||empty($var4)||empty($var5) #etc.) you may choose to run a foreach loop and check each. But for this to work...

Simply use the ternary operator when defining the variables and check the isset: # ... $var1 = (isset($_POST['varName1'])) ? $_POST['varName1'] : ''; # Define var 1 $var2 = (isset($_POST['varName2'])) ? $_POST['varName2'] : ''; # Define var 2 # Etc. # Check if the value is empty...

The trim() method cuts out whitespace. Try: $input_array = explode(" ", trim($clean_input)); Also for the special characters you could try htmlspecialchars() which turns the values into html characters, for example a space ' ' would be %20 and it would come out in html as a ' ' still

Cool, thanks. I had no idea about the window.opener. Say, do you know of a good JS tutorial, obviously I need to learn more. Your loop if() checks whether they are checkboxes, not whether they are checked or not so it returns every checkbox value. I changed it to // ... if(inputs[i].type...

Does that mean that it would be better to replace while($row=$query->fetch()) with foreach when returning rows or is that only good for returning one select column of data?

So, if I wanted to get all of the checked boxes I would do something like: function returnFriends() { // Page that used window.open input to field var inputField = window.opener.document.forms.friendsList.elements.getElementById("name"), // Checked boxes on this page //...

On my write message (PM) form I want the users to click on a link and a window would pop up with all their friends names' inside. I want them to click on a checkbox next to their name for all the friends they want to send it to and when they close it (via button on the bottom) the names are...

That would probably be more than I would want to write, I would simplify it to this $sth->execute(array($_POST['name'])); Thanks for the help, it finally works without flaw.

Thanks, it works now... Now can you explain how that works? You defined a variable inside the array variable. Is that correct. And why do you need to use {$name} for that? Also, how do I call those variables onto the script? Is it $info['$name'] or something?

Here is what I get if I use my first section of code: And if I use the second set: @Misson: If I used the array_intersect_key() method you talked about, which two arrays would I be comparing? Would it be something like: $sth->prepare("... :name")...

Isn't it both? Cuz the little I know about ASP is includes

I don't know whether it's hard per se, it's just more work than I really wanted to do.

Yes, ASP works on this host but it's a tricky setup. I don't want to bother with it so I just use PHP but you will have to look around to find it.

Are you talking about php includes? Yes of course they have those here.

Still the same problem. Misson always tells me to do it like that but just to be safe I changed it to this: $sth = $dbh->prepare("SELECT id FROM users WHERE username = ?"); $sth->execute(array($_POST['name'])); Still the same problem

I wrote a script for a registration page and all of a sudden it just stopped working. Whenever I try something it either reads "Username is taken" even when it isn't and if it doesn't show anything I get either an error (on a separate file) that tells me "Invalid parameters, incorrect number of...

You use HTML to write the basic structure of the website, you use CSS (Cascading Style Sheets) to style elements so it looks better and to arrange HTML elements for an aesthetically pleasing design, and you use JavaScript to bring it to life (interactivity). You use PHP/ASP to make it dynamic...

If you didn't understand something, I highlighted all of misson's corrections. Sorry, those were a few imperfections, while not critical, it makes it easier to read and manage. First, although it was implied, you should put the database connection handler ($dbh) on the index or on a separate...