Are there any debugging programs for PHP? How do you debug PHP code?

Question

I have used other programming languages such as C, C++ where you can debug the code using the IDE however how is this possible with PHP? I would like to step through the program and see at run time what values are being assigned.

Can any of these be used with Dreamweaver 8?

Answer 1

Searching google for "php debugger" returns this site, which looks like it offers a free debugger...

http://dd.cron.ru/dbg/

Answer 2

There are several php IDE's and Editors that have built in debugers, the best in my opinion is the one from nusphere called phped. I'll include some sources below

Answer 3

Personally, I never use any debugger: I debug on-line!
For each routine (or function) where I doubt the value of a valiable, I put
echo ("var=".$var."
");
If needed for arrays:
while(list($name,$value) = each(arrayname, such as $_POST)) {
$$name = $value;
echo ($name."=".$value);}
or, simply:
echo ("