PHP Functions Tutorial With Example | Functions In PHP is today’s topic. A function is a block of statements that can be used repeatedly in a program. A function will not execute immediately when a page loads. A call to the function will execute a function. The real power of PHP comes from its functions; it has more than 1000 built-in functions.

PHP functions are similar to other programming languages. The function is a piece of code which takes one more input in the form of parameter and does some processing and returns a value.

In this video we cover basic syntax for creating PHP functions as well as some advanced techniques like passing arguments by reference and using recursive functions. 

We also go over data type declarations, default argument values and variable scope. Learning the techniques from this video will give you a good understanding of PHP functions.

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