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The series Develop rock-solid code in PHP is about solving practical, real-life problems in medium- to large-scale applications. In this article, PHP veteran Amol Hatwar discusses how to use variables effectively. He also shows how to make script configuration easy by constructing a configuration file parser using variable variable names in PHP. Read Develop rock-solid code in PHP: Use variables effectively, Part 2 here. (http://www.opensourcetutorials.com/tutorials/Server_Side_Coding/PHP/rock-solid-code-part-2/page1.html)