case 3:
                $passwordArray[$i] = getVerb();
                break;
            case 4:
                $passwordArray[$i] = getAdverb();
                break;
        }
    }
    return $passwordArray;
}
function randSym()
{
    $symArray = ['!', '@', '#', '$', '%', '^', '&', '*'];
    return $symArray[rand(0, 7)];
}
$newPassword = passwordGenerator($_GET["maxLength"], $_GET["symReq"], $_GET["numReq"]);
//Getting mnemonic image to aid memory
#$url = "https://ajax.googleapis.com/ajax/services/search/images?v=1.0&q=".$newPassword[1]."%20".$newPassword[2]."&userip=INSERT-USER-IP";
// sendRequest
#$ch = curl_init();
#curl_setopt($ch, CURLOPT_URL, $url);
#curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
#curl_setopt($ch, CURLOPT_REFERER, "localhost");
#$body = curl_exec($ch);
#curl_close($ch);
//process the JSON string
#$json = json_decode($body, TRUE);
#$results = $json['responseData']['results'][0];
?>

// once receive form submission
if (isset($_POST['submit'])) {
    // form input validation, if invalid set to default number
    if (is_numeric($_POST["num_words"]) and $_POST["num_words"] >= $MIN_NUM_WORDS and $_POST["num_words"] <= $MAX_NUM_WORDS) {
        $num_words = $_POST["num_words"];
    }
    $separator = $_POST["separator"];
    $letter_case = $_POST["case"];
    if (array_key_exists("add_random_number", $_POST)) {
        $random_number_end = $_POST["add_random_number"];
    }
    if (array_key_exists("add_special_char", $_POST)) {
        $add_special_char = $_POST["add_special_char"];
    }
    // call the passwordGenerator method to get the result
    $result = passwordGenerator($num_words, $separator, $letter_case, $random_number_end, $add_special_char);
}
// this is the function have the logic to generate a password
function passwordGenerator($num_words, $separator, $letter_case, $random_number_end, $add_special_char)
{
    $wordList = file("words.txt", FILE_IGNORE_NEW_LINES);
    $words_total_num = sizeof($wordList);
    $rand_words = "";
    //array contains special chars
    $SPECIAL_CHARS = ['!', '@', '#', '$', '%', '^', '&', '*'];
    for ($i = 1; $i <= $num_words; $i++) {
        $rand_word_index = rand(0, $words_total_num);
        $rand_word_to_add = $wordList[$rand_word_index];
        // call adjustCase function to adjust case as required
        $rand_word_to_add = adjustCase($letter_case, $rand_word_to_add);
        $rand_words .= $rand_word_to_add;