Stop cribbing and fighting and GROW UP!!. Java or PhP it does not matter, what matters is it Works!!!.
So do what it takes to get it done, so if Java or PhP or Even Java and Php together. Still can’t believe. http://www.caucho.com/ have already done it. check it out in their website, they have Resin which is a Open Source application Server and Quercus a Java-Php Bridge.
There is also a Open-Source Php-Java Bridge at Source forge – http://php-java-bridge.sourceforge.net/pjb/