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Need help in Checking divisibility of Numbers in Php


Marie
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I have a form on one page that submits to another page. There, it checks if the number is divisible by another number. Please check the code, What is missing or wrong?

 

        <?php
        
            if(isset($_POST['submit']))
            {
                if(is_numeric($_POST['num1']) && is_numeric($_POST['num2']))
                {

                    if($_POST['operation'] == 'divided by')
                    {

                        if ($num1 % $num2 == 0)
                        {
                            echo $_POST['num1'] . ' Is Divisible By ' . $_POST['num2'];
                        }
                        else
                        {
                            echo $_POST['num1'] . ' Is Not Divisible By ' . $_POST['num2'];
                        }
                        
                        echo "<h1>{$_POST['num1']} {$_POST['operation']} {$_POST['num2']} equals {$answer}</h1>";
                
                }
                else {
                    
                    echo 'Numeric values are required';
                }
                }
            }
    ?>

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  • 2 months later...
On 9/6/2022 at 8:33 AM, Marie said:

I have a form on one page that submits to another page. There, it checks if the number is divisible by another number. Please check the code, What is missing or wrong?

 

        <?php
        
            if(isset($_POST['submit']))
            {
                if(is_numeric($_POST['num1']) && is_numeric($_POST['num2']))
                {

                    if($_POST['operation'] == 'divided by')
                    {

                        if ($num1 % $num2 == 0)
                        {
                            echo $_POST['num1'] . ' Is Divisible By ' . $_POST['num2'];
                        }
                        else
                        {
                            echo $_POST['num1'] . ' Is Not Divisible By ' . $_POST['num2'];
                        }
                        
                        echo "<h1>{$_POST['num1']} {$_POST['operation']} {$_POST['num2']} equals {$answer}</h1>";
                
                }
                else {
                    
                    echo 'Numeric values are required';
                }
                }
            }
    ?>

To check if a number is not a divisible of another number, we can use the modulo operator % but the remainder of first number by second number is not equal to 0.

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