New features for Project Zero support of PHP

Runtime PHP - Java-based engine for PHP in Project Zero.

• Support added for 170 additional core PHP functions including 45 Mathematical Functions; in total 287 of the standard PHP functions are now supported. For the list of implemented core functions see Core PHP functions.
• PHP to Java bridge support. This enables access to Java classes from a PHP script when a native PHP view of the functionality is not needed. More details can be found in the PHP Developers Guide at Php to Java bridge.
• Native extensions on Windows and Linux. Existing Java extensions will continue to work.
• Network functions like header, headers_list, setcookie, setrawcookie.
• Development environment migrated to PDT 1.0 RC1. Support for PDT 0.7 is no longer available.