CORBA for PHP is a PHP Extension to use CORBA objects in PHP5(Zend Engine 2). It uses MICO as its ORB and will also provide an Idl-to-PHP language mapping specification and compiler.
For a PHP4 CORBA support look at the great Universe-phpext.
When writting portable C++ CORBA code one finds that each ORB vendor has its own set of libraries, include files, caracteristics, etc. This project's goal is both:
1. to provide a set of autoconf/automake/libtool macros to support as many ORBs (C & C++)