The internal PHP Debugger is a suit of tools for validating code locally before uploading to a web server.

Breakpoint is a marker that stops execution of the application at the line in which it is placed.

To add breakpoint:

• Click dark grey area next to necessary line of code or place a pointer on it and move to Debug|Add/Remove Breakpoint (or click red bubble-shaped button on the Debugger toolbar).
• At the left of the line red bubble-shaped marker will appear

The same procedures are used for removing breakpoints.

This feature allows reviewing variables values on the fly when breakpoint is reached.

To review value:

• Place the pointer over the variable
• The value will be highlighted in a tooltip box

Locals control displays both Global and Local variables, their values and type.

In the Watch window you can place variables, objects and expressions you want to monitor while debugging
There are two ways for adding watches:

• Place pointer on necessary element, from the mouse right click menu select Add watch (Shift+F8)
  
  
  
  
• Copy-Past element name into the Name column
  
  

To delete element from the Watch dialog, select necessary one and press Delete key or use Delete option from the mouse right-click menu.

Call Stack window contains all functions called during debugging.
To jump to declaration of a function, double click line with a function name in the Call Stack window.

This ability enables you to debug url.

To start debugging:

• Move to Debug|Debug url or press F8
• In the appearing URL Dialog specify path in the URL field

You can handle debugging process from Debugger menu
or using Debugger toolbar