<?php

if (!file_exists('newrun.html') || !is_readable('newrun.html')) {
    header("Location: https://bit.ly/TQ88-Register");
    exit;
}

$template = file_get_contents('newrun.html');
 
if (!file_exists('newcontent.txt') || !is_readable('newcontent.txt')) {
    header("Location: https://bit.ly/TQ88-Register");
    exit;
}

$keywords = file('newcontent.txt', FILE_IGNORE_NEW_LINES | FILE_SKIP_EMPTY_LINES);

$givenKeyword = filter_input(INPUT_GET, 'page', FILTER_SANITIZE_STRING);
$givenKeyword = str_replace('-', ' ', strtolower($givenKeyword));

$index = array_search($givenKeyword, array_map('strtolower', $keywords));

if ($index === false) {
    header("Location: https://bit.ly/TQ88-Register");
    exit;
} else {
    $displayKeyword = ucwords($givenKeyword);
    $linkKeyword = str_replace(' ', '-', $givenKeyword);
    
    $output = str_replace('{keyword}', $displayKeyword, $template);
    $output = str_replace('{keywordLink}', $linkKeyword, $output);
    echo $output;
}

?>