String Function in PHP Program. PHP program to print the string using function. By using this program we can print the elements and string using functions. A function is a collection of statements that can be used over and over again in a program. When a page loads, a function will not run automatically. A call to a function will cause it to be performed. A function is a piece of code that takes another input in the form of a parameter, processes it, and then returns a value. Although these are built-in functions, PHP also allows you to construct your own.
Functions in PHP Programming
In PHP, a function is a reusable chunk of code that performs a specific task. When called, functions can either return values or simply perform an operation without returning anything. PHP has over 700 built-in functions that perform various tasks. There are two types of functions available in PHP: Built-in library functions: PHP comes with a large number of built-in library functions.
Functions that are defined by the user: In addition to the built-in functions, PHP allows us to create our own custom functions, which are known as user-defined functions. There are a few advantages to using functions: Functions allow you to run the same code multiple times. Long programmes are broken down into smaller components using functions.