12: What are Functions in PHP | Procedural PHP Tutorial For Beginners | PHP Tutorial | mmtuts

In this PHP tutorial video I will teach you about PHP functions. I will talk about both internal (built-in) and user defined functions.

00:00 Two different types of functions
00:59 How to use a function
02:29 Internal functions (built-in)
06:27 User defined functions (custom functions)

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