PHP Area of Rectangle Program - javatpoint
Area of a Rectangle
Area of a rectangle is calculated by the mathematical formula,
- Length ∗ Breadth = Area
Logic:
- Take two variables.
- Multiply both of them.
Area of Rectangle in PHP
Program to calculate area of rectangle with length as 14 and width as 12 is shown.
Example:
History of Java
- <?php
- $length = 14;
- $width = 12;
- echo "area of rectangle is $length * $width= " . ($length * $width) . "<br />";
- ?>
Output:
Area of Rectangle with Form in PHP
Program to calculate area of rectangle by inserting values in the form is shown.
Example:
- <html>
- <body>
- <form method = "post">
- Width: <input type="number" name="width">
- <br><br>
- Length: <input type="number" name="length"> <br>
- <input type = "submit" name = "submit" value="Calculate">
- </form>
- </body>
- </html>
- <?php
- if(isset($_POST['submit']))
- {
- $width = $_POST['width'];
- $length = $_POST['length'];
- $area = $width*$length;
- echo "The area of a rectangle with $width x $length is $area";
- }
- ?>
Output: