Conditional Rendering in React Complete Guide with Examples 2026

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  Conditional Rendering in React Conditional Rendering is one of the most useful concepts in React. It means showing different content on the screen depending on a condition. For example: If a user is logged in → show Logout If a user is not logged in → show Login If a student has passed → show Congratulations If a product is available → show Buy Now If data is loading → show Loading... React does not have a separate if rendering tag. Instead, we use normal JavaScript conditions such as if, the ternary operator, &&, and switch to decide what should appear in the UI.
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armstrong number program in php

Armstrong number PHP Program

Armstrong number

Armstrong number

 1] one whose value is equal to the sum of the cubes of its digits.

  2]  There are Four 3digit Armstrong number - 153, 370, 370 , 407, 1634, 8208,  etc

Armstrong number program in php

Example :-

<?php
$num=150;
$total=0;
$x=$num;
while($x!=0)
{
    $rem=$x%10;
    $total=$total+$rem*$rem*$rem;
    $x=$x/10;
}
if($num==$total)
{
    echo "Yes it an Armstrong number";
}
else
{
    echo "Not an Armstrong Number";
}
?>

armstrong number program in php
Output :-

armstrong number check

armstrong number program using form php

Example :-



<form method="post">
    Enter number
    <input type="number" name="number"><br><br>
    <input type="submit" value="submit">
</form>
<?php
if($_POST)
{
    $num = $_POST['number'];
    $a=$num;
    $sum=0;
    while($a!= 0)
    {
        $rem = $a%10;
        $sum=$sum+($rem*$rem*$rem);
        $a =$a/10;
        }
        if($num==$sum)
         {
            echo " $num Yes Number is Armstrong Number";
         }
         else
         {
            echo " $num  Not Number is Armstrong Number";

         }
         }
    ?>

armstrong number program using form  php

Output :-

armstrong number check


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