PHP Vs JSP

The following shows the scores for each language:

Number of features 30
PHP Won - 5
Java Won - 19
Tie - 6

PHP is suitable for small web based applications. Notice how PHP won in features that are geared towards the script’s writer, e.g. Variable variable name, or multi-line strings.

Java is more general and is suitable for larger applications. Notice how Java won in Object Oriented features, code packaging, multi-threading, and security.

Source :
http://www.tek271.com/articles/JavaOrPhp.html