Functions Basics

Functions Basics

PHP functions are blocks of code that can be defined once and then reused multiple times throughout a program. They allow developers to encapsulate a specific set of instructions, provide inputs, and return outputs. Functions in PHP are defined using the function keyword, followed by the function name and parameters, and then the code block inside curly braces. They can accept zero or more arguments, and may or may not return a value. PHP provides a large number of built-in functions that can be used to perform various operations, and developers can also create their own custom functions for specific tasks. Functions make code more modular, readable, and maintainable, and are an essential part of any PHP programming project.

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