PHP program to Addition of Two Numbers using function – PHP program
In this tutorial, we will discuss the concept of PHP program to Addition of Two Numbers using function – PHP program
In this topic, we are going to learn how to write a program to add two numbers using user-defined function in PHP programming language
Sum of two numbers
Sum of two numbers using function – #1
In this program, the user declare two integer variables $x and $y as parameters of the function. Then two numbers are added using plus(+) operator. finally when the user call the function, the result is displayed on the screen
Program 1
- function definition
- Return value to main
- Calling the function and print result on the screen
<?php
function addTwoNumbers($x, $y)
{
return $x + $y;
}
echo "Sum of 10 and 20: ".addTwoNumbers(10,20);
echo "<br>";
echo "Sum of 100 and 205: ".addTwoNumbers(100,205);
echo "<br>";
echo "Sum of 100 and -20: ".addTwoNumbers(100,-20);
echo "<br>";
?>
When the above code is executed, it produces the following result
Sum of 10 and 20: 30 Sum of 100 and 205: 305 Sum of 100 and -20: 80
Sum of two numbers using function – #2
In this program, the user declare two integer variables $x and $y as parameter of the function. Then two numbers are added using plus(+) operator. Finally when the user call the function, the result is displayed on the screen
- Function definition
- Return the value to main
- Calling the function and print result
Program 2
<?php
function addTwoNumbers($x, $y)
{
$sum=$x + $y;
return $sum;
echo $sum;
}
echo "Sum of 10 and 30: ";
echo addTwoNumbers(10,30);
echo "<br>";
echo "Sum of 100 and 205: ";
echo addTwoNumbers(100,205);
echo "<br>";
echo "Sum of 100 and -20: ";
echo addTwoNumbers(100,-20);
echo "<br>";
?>
When the above code is executed, it produces the following result
Sum of 10 and 30: 40 Sum of 50 and 20: 70 Sum of 80 and -20: 60
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