Gubed PHP Debugger is a program to debug PHP scripts.
It currently supports stepping through code, watching contents of variables and setting breakpoints (line and conditional). No changes are needed to server software or scripts being debugged.
Open source project that offer summary and download services on this page is a project that carry out their development work on other open source development sites. Their work is linked to this page via a feature called OFI, and their work is not carried out here on OSDN site.