function word_shuffle( $text ) {

 

    $len = strlen($text);

 

    if ( $len > 3 ) {

 

        $sub = substr($text, 1, ($len - 2));

        $sub = str_shuffle($sub);

        $shuffle = $text{0} . $sub . $text{($len - 1)};

        return $shuffle;

 

    } else {

 

        return $text;

 

    }

 

}

 

$text = isset($_POST['text']) ? trim($_POST['text']) : '';

echo '<form action="index.php" method="post"><textarea name="text">' . htmlspecialchars($text) . '</textarea>' .

         '<p><input type="submit" name="submit" value="shuffle" /></p></form>';

 

if ( !empty($_POST) ) {

 

    $array = explode(' ', $text);

    var_dump($array);

    foreach ($array as $val)

        echo word_shuffle($val) . '&nbsp;';

 

}