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Program to Find the Area of a Rectangle in PHP

Area of a rectangle is calculated by the mathematical formula,

Length ∗ Breadth = Area


Logic:

  • Take two variables.

  • Multiply both of them.


Program:


Program to calculate area of rectangle with length as 14 and width as 12 is shown.


<?php  
 $length = 14;  
 $width = 12;  
 echo "Area of Rectangle is $length * $width= " . ($length * $width) . "<br />";  
  ?>  

Output:








Area of Rectangle with Form

Program to calculate area of rectangle by inserting values in the form is shown.

<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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