Advantages of PHP:

PHP advantages

• PHP offers a lot of security mechanisms, 
• Its easy connectivity abilities make it a popular choice of modular programming.
• It can easily be interfaced with a variety of libraries, xml’s.
• Its an open source software.
• Syntax is similar to C and C++ and hence easy to remember the syntax.
• Easy to use for creating dynamic web pages.
• PHP has its own community where people can make their own scripts and post as per the requirement.

Advantage of php over Java

• PHP is a simpler language specially designed for web applications
• PHP is open source and hence customization becomes convenient.
• PHP natively integrates with a large array of database engines, both open-source (MySQL, PostgreSQL, SQLite) and commercial (Oracle, MS SQL Server); while Java relies on JDBC drivers for database connectivity.