<?php if ($_SERVER['REQUEST_METHOD'] === 'POST') { // Retrieve the input values $urls = $_POST['urls']; $words = $_POST['words']; // Split the input values into arrays $urlArray = explode("\n", $urls); $wordArray = explode("\n", $words); // Generate hyperlink code $hyperlinkCode = ''; foreach ($urlArray as $index => $url) { $word = isset($wordArray[$index]) ? $wordArray[$index] : ''; $hyperlinkCode .= '<a href="' . $url . '">' . $word . '</a>' . PHP_EOL; } // Generate BB code $bbCode = ''; foreach ($urlArray as $index => $url) { $word = isset($wordArray[$index]) ? $wordArray[$index] : ''; $bbCode .= '[url=' . $url . ']' . $word . '[/url]' . PHP_EOL; } } ?>  <form method="post"> <label for="urls">Enter URLs (one per line, up to 5000):</label><br> <textarea id="urls" name="urls" rows="5" cols="50"></textarea><br> <label for="words">Enter Words (one per line, up to 5000):</label><br> <textarea id="words" name="words" rows="5" cols="50"></textarea><br> <input type="submit" value="Submit"> </form>  <?php if (isset($hyperlinkCode)) : ?> <h3>Hyperlink Code:</h3> <pre><?php echo htmlentities($hyperlinkCode); ?></pre> <?php endif; ?>  <?php if (isset($bbCode)) : ?> <h3>BB Code:</h3> <pre><?php echo htmlentities($bbCode); ?></pre> <?php endif; ?>