php Functions

PHP User Defined Functions

Besides the built-in PHP functions, we can create our own functions.

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 function will be executed by a call to the function.

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Create a User Defined Function in PHP

A user defined function declaration starts with the word "function":

Syntax

function functionName()
{
code to be executed;
}