Showing posts with label Square a Number in PHP. Show all posts
Showing posts with label Square a Number in PHP. Show all posts

Tuesday, December 17, 2019

Square a Number in PHP

I wrote this simple program to ask the user to give a number and then the program will square the given number and display the results on the screen using PHP as my programming language.

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Sample Program Output


Program Listing

index.php

<html>
    <head>
    <title> Square a Number in PHP </title>
    </head>
    <body>
      <h2> Square a Number in PHP </h2><br>

      <form method ="post">
        Give a Number <input type ="text" name="num"/> <br>
        <button type="submit" title="Click here to compute square value">
         Compute </button>
         </form>
         </body>
         </html>

         <?php
             
               if ($_POST) {

                   $num = $_POST['num'];

                   $compute = ($num * $num);

                   echo "The square value of $num is $compute.";
               }
             ?>