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PHP Adding Two Numbers Program - javatpoint

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Adding Two Numbers

There are three methods to add two numbers:

Adding in simple code in PHP
Adding in form in PHP
Adding without using arithmetic operator (+).

Adding in Simple Code

Addition of two numbers 15 and 30 is shown here.

Example:

<?php
$x=15;
$y=30;
$z=$x+$y;
echo "Sum: ",$z;
?>

Output:

How to find Nth Highest Salary in SQL

Adding in Form

Two numbers can be added by passing input value in the form.

Example:

<html>
<body>
<form method="post">
Enter First Number:
<input type="number" name="number1" /><br><br>
Enter Second Number:
<input type="number" name="number2" /><br><br>
<input type="submit" name="submit" value="Add">
</form>
<?php
if(isset($_POST['submit']))
{
$number1 = $_POST['number1'];
$number2 = $_POST['number2'];
$sum = $number1+$number2;
echo "The sum of $number1 and $number2 is: ".$sum;
}
?>
</body>
</html>

Output:

Adding in Simple Code

Two numbers can be added by passing input value in the form but without using (+) operator.

<body>
<form>
Enter First Number:
<input type="number" name="number1" /><br><br>
Enter Second Number:
<input type="number" name="number2" /><br><br>
<input type="submit" name="submit" value="Add">
</form>
</body>
<?php
@$number1=$_GET['number1'];
@$number2=$_GET['number2'];
for ($i=1; $i<=$number2; $i++)
{
$number1++;
}
echo "Sum of $number1 and $number2 is=".$number2;
?>

Output:

ORIGINAL Article

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