Most developers use PHP programs (WordPress, for example) on a daily basis and, for most of us, PHP is the language of choice for server side scripting.  HTML Goodies has assembled the following list of the top ten web developer questions about PHP:

1. What is PHP?
2. Is there online documentation and tutorials that can help me learn PHP?
3. Can I run PHP locally on my PC?
4. How do you upload images (or other files) using PHP?
5. How can I create a CMS (Content Management System) with PHP?
6. I get an error at line number X when I run my PHP script, but I don't see any problem on that line.
7. My script isn't working right, but I can't figure out why.
8. How can I ask a PHP question in a forum and get it answered?
9. How can I use PHP to create login-controlled web pages?
10.  How do I send e-mails 
     

    with PHP?

You will find answers to the questions here.