PHP Area of Rectangle Program

by Online Tutorials Library July 22, 2022

Area of a Rectangle

Area of a rectangle is calculated by the mathematical formula,

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:

  <?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:

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