This month I focus on PHP functions. This is a huge topic and I only scratch the surface, but hopefully give you enough information to explore it further on your own. I cover some additional, related topics in "What Is Truth?" below and "PHP 'Service Programs'?" below. That said—time to get to work. The term "function" in PHP covers in RPG what are thought of as two slightly different things: built-in functions (BIFs) such as %XLATE and %SUBST and subprocedures. In PHP, these are ...

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