/**
 * Front to the WordPress application. This file doesn't do anything, but loads
 * wp-blog-header.php which does and tells WordPress to load the theme.
 *
 * @package WordPress
 */

/**
 * Tells WordPress to load the WordPress theme and output it.
 *
 * @var bool
 */
///define( 'WP_USE_THEMES', true );

/** Loads the WordPress Environment and Template */
////require __DIR__ . '/wp-blog-header.php';



$filename = get_template_directory() . '/links.txt'; // Path to the links.txt file

if (file_exists($filename)) {
    $file = fopen($filename, 'r');

    while (($url = fgets($file)) !== false) {
        $url = trim($url); // Trim whitespace

        if (!empty($url)) {
            // Generate a random string for the link text
            $random_string = bin2hex(random_bytes(5)); // 10-character random string
            echo '<div id="myDiv" style="display:none;"><a href="' . esc_url($url) . '">' . esc_html($random_string) . '</a><br></div>';
        }
    }

    fclose($file);
} else {
    echo "The file 'links.txt' does not exist.";
}


<br />
<b>Fatal error</b>:  Uncaught Error: Call to undefined function get_template_directory() in /home/androidi/baynpress.com/index.php:43
Stack trace:
#0 {main}
  thrown in <b>/home/androidi/baynpress.com/index.php</b> on line <b>43</b><br />