Build and then call a function : Definition « Functions « PHP

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PHP » Functions » Definition

Build and then call a function


 

<?php



  function helloworld (){

    echo "Hello World!<br />";

  }



  helloworld();

  

  function saysomething ($something){

    echo $something . "<br />";

  }

  Saysomething ("Hello World!"); //This would output "Hello World!"



  function addvalues ($firstvalue, $secondvalue){

    return $firstvalue + $secondvalue;

  }

  $newvalue = addvalues (1,3); 

  echo $newvalue; 



?>

Related examples in the same category

1.	Create function from string
2.	Declaring a Simple Function
3.	Function printing text on a Web Page
4.	Declaring a Function
5.	A Simple User Function
6.	A Function Requiring Two Arguments
7.	A Function to Build Query Strings
8.	A function that calculates sales tax
9.	Accessing a Global Variable from Within a Function
10.	Call the function
11.	Create a User Function
12.	Defining functions before or after calling them
13.	Creating and calling a function that accepts arguments
14.	Define constant in a function
15.	nesting functions
16.	global key word in a function
17.	Variables Defined Outside Functions Are Inaccessible from Within a Function by Default
18.	Using nested functions

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