Addition of Three Numbers Using Functions in PHP

 A simple program to show how to create a function to compute the sum of three numbers using PHP programming language.

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Program Listing
index.php
<?php 

//creating a addition function in PHP
function addition($a,$b,$c)
{
$sum=$a+$b+$c;
echo "The sum of $a, $b and $c is $sum.";
}

echo "<br> Addition of Three Numbers Using Functions in PHP<br><br>";

//calling the addtion function

addition(1,2,3);

?>