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Troubleshooting

You've been staring blankly at your code for 20 mins, and still can't figure out why it's not working? We've been there too. Here are some common problems and the (often simple) solutions that sometimes go overlooked.
What Version of PHP Am I Running?
Do you need to check what version of PHP your server is running? This simple tutorial shows you how.
Do I Have PHP?
How to determine if your hosting runs PHP
How do I pass variables in the URL in PHP 5?
If you pass variables in the URL in PHP 4, the same scripts might not work in PHP 5 without some editing. Here is how to fix it.
PHP Code Showing Instead of Running
How to troubleshoot the problem of PHP code showing instead of running on your website.
My page is blank, what did I do wrong?
Fixes for PHP page not loading, showing a blank or white screen
My PHP page never stops loading!
PHP Error Help - Your PHP page loads continually, and never completes. It keeps returning data or thinking.
How can report MySQL errors into PHP?
How to report an error into PHP from MySQL when your SQL code encounters problems
The mail () function isn't working
Some common problems with the mail () function
Why aren't my cookies working?
Common reasons a cookie isn't being set.
How Can I Fix A Database Connection Error?
Some common problems that can occur when trying to connect to a MySQL database, and give errors.
Why Don't I See My Code When I View Source?
When you view source on your PHP files, why can't you see your code?
Single or Double Quotes?
Should you use single quotes or double quotes in your PHP code?

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