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  Sanitizing Input with PHP

  Posted: December 12th, 2011, 9:30am MST

  System-Level Program Execution Truly lazy programmers know how to make the most of their entire server environment when developing applications, which includes exploiting the functionality of the operating system, file system, installed program base, and programming languages whenever necessary. In this section, you'll learn how PHP can interact with the operating system to call both OS-level programs and third-party installed applications. Done properly, it adds a whole new level of functionality to your PHP programming repertoire. Done poorly, it can be catastrophic not only to your applica...