PHP Subtracting Two Numbers Program

by Online Tutorials Library July 22, 2022

Subtracting Two Numbers

There are three methods to subtract two numbers:

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

Subtraction in Simple Code

Subtraction of two numbers 30 and 15 is shown.

Example:

Output:

PHP Subtracting two numbers 1

Subtraction in Form

By inserting values in the form two numbers can be subtracted.

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=”Subtract”>  </form>  <?php      if(isset($_POST[‘submit’]))      {          $number1 = $_POST[‘number1’];          $number2 = $_POST[‘number2’];          $sum =  $number1-$number2;           echo “The difference of $number1 and $number2 is: “.$sum;      }  ?>  </body>  </html>  

Output:

PHP Subtracting two numbers 2

Subtraction in Form without (-) Operator

By inserting values in the form two numbers can be subtracted but without using (-) operator.

Example:

  <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=”Subtract”>  </form>   </body>  <?php    @$number1=$_GET[‘number1’];  @$number2=$_GET[‘number2’];  for ($i=1; $i<=$number2; $i++)  {    $number1–;   }    echo “Difference=”.$number1;  ?>  

Output:

PHP Subtracting two numbers 3

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PHP Subtracting Two Numbers Program

Subtracting Two Numbers

Subtraction in Simple Code

Subtraction in Form

Subtraction in Form without (-) Operator

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