</form>
</body>
</html>
<?php
if (isset($_GET['input']) && isset($_GET['submit'])) {
$choice = $_GET['modifier'];
switch ($choice) {
case 'palindrome':
echo checkPalindrome($_GET['input']);
break;
case 'reverse':
echo strrev($_GET['input']);
break;
case 'split':
echo splitStr($_GET['input']);
break;
case 'hash':
echo hashStr($_GET['input']);
break;
case 'shuffle':
echo str_shuffle($_GET['input']);
break;
}
}
function checkPalindrome($str)
{
if ($str == strrev($str)) {
return "{$str} is a palindrome!";
} else {
return "{$str} is not a palindrome!";
$shuffledStr = implode('', $arrChars);
return $shuffledStr;
}
if (isset($_POST['submit'])) {
if (isset($_POST['radios']) && isset($_POST['str'])) {
$case = $_POST['radios'];
$str = $_POST['str'];
switch ($case) {
case "0":
echo isPalindrome($str) ? $str . " is a palindrome!" : $str . " is not a palindrome!";
break;
case '1':
echo strrev($str);
break;
case '2':
echo splitStr($str);
break;
case '3':
echo crypt($str, strrev($str));
break;
case '4':
echo shuffleStr($str);
break;
}
} else {
echo "Invalid entry. Please, fill in the input text field and choose an option.";
}
}
?>
</body>
