<![CDATA[
8.Write a PHP script that receives form input by the method post to check the number is prime
or not.
<html>
<body>
<form method="POST" action="< ?php echo htmlspecialchars($_SERVER['PHP_SELF']);?>">
Enter Number: <input type="number" name="inputnumber">
<input type="submit">
</form>
< ?php
function check_prime($num)
{
if ($num == 1)
return 0;
for ($i = 2; $i <= $num/2; $i++)
{
if ($num % $i == 0)
return 0;
}
return 1;
}
if (!empty($_POST)){
$num = $_POST['inputnumber'];
$flag_val = check_prime($num);
if ($flag_val == 1)
echo "It is a prime number";
else
echo "It is a non-prime number";
}
?>
</body>
</html>
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