'; echo '

' . $row['cat_name'] . '

'; echo $row['cat_description']; if ($thread) { echo '' . $thread['thread_subject'] . '
'; echo 'by ' . $thread['user_name'] . ''; } else { $no_threads_msg = 'There are no threads in this category yet.'; echo ''. $no_threads_msg .''; } } mysqli_stmt_close($stmt); mysqli_free_result($thread_res); } function display_threads($dbc, $sql_result, $show_category = false) { $sql = "SELECT post_id, post_date, user_id, user_name FROM posts JOIN users ON post_author = user_id WHERE post_thread = ? ORDER BY post_id DESC LIMIT 1"; $stmt = mysqli_stmt_init($dbc); if (!mysqli_stmt_prepare($stmt, $sql)) { die('Could not create thread due to internal error: ' . mysqli_error($dbc)); } while ($row = mysqli_fetch_assoc($sql_result)) { mysqli_stmt_bind_param($stmt, "i", $row['thread_id']); mysqli_stmt_execute($stmt); $thread_res = mysqli_stmt_get_result($stmt); $thread = mysqli_fetch_assoc($thread_res); echo ''; echo '

' . $row['thread_subject'] . '

'; echo 'by ' . $row['user_name'] . ' '; if ($show_category) { echo 'in ' . $row['cat_name'] . ' '; } echo 'on ' . date('M d, Y', strtotime($row['thread_date'])) . ''; echo 'by ' . $thread['user_name'] . '
'; echo '' . date('m/d/Y g:ia', strtotime($thread['post_date'])) . ''; } mysqli_stmt_close($stmt); } function add_quote($dbc, $thread_id, $matches) { foreach ($matches as $match) { $id = (int) filter_var($match, FILTER_SANITIZE_NUMBER_INT) - 1; $sql = "SELECT post_content, post_author, user_name FROM posts LEFT JOIN users ON post_author = user_id WHERE post_thread = " . $thread_id . " LIMIT 1 OFFSET " . $id; $result = mysqli_query($dbc, $sql); if (!$result) { return '

'; } $reply = mysqli_fetch_assoc($result); if (empty($reply)) { return '

Invalid quote!

'; } $id = $id + 1; return '

Quote from ' . $reply['user_name'] . '
' . $reply['post_content'] . '

'; } } function display_posts($dbc, $sql_result) { echo ''; $post_index = 1; $thread_id = $_GET['id']; while ($row = mysqli_fetch_assoc($sql_result)) { echo ''; echo ''; $post_content = $row['post_content']; $post_content = preg_replace_callback('/>#\d+/', function($matches) use($thread_id, $dbc) { return add_quote($dbc, $thread_id, $matches); }, $post_content); // Replace YouTube URLs with embedded YouTube videos. $post_content = preg_replace( "/\s*[a-zA-Z\/\/:\.]*youtu(be.com\/watch\?v=|.be\/)([a-zA-Z0-9\-_]+)([a-zA-Z0-9\/\*\-\_\?\&\;\%\=\.]*)/i", '
', $post_content); // Replace Image URLs with embedded images. $post_content = preg_replace('@\b(http(s)?://)([^\s]*?(?:\.[a-z\d?=/_-]+)+(?:\.jpg|\.png|\.gif))(?![^<]*?(?:|/?>))@i', '

', $post_content); // Replace other URLs with links. $post_content = preg_replace('@\b(http(s)?://)([^\s]*?(?:\.[a-z\d?=/_-]+)+)(?![^<]*?(?:|/?>))@i', '$0', $post_content); echo ''; $post_index++; } echo '

	' . $post_index . '
Posted by ' . $row['user_name'] . ' ' . date('m/d/Y g:ia', strtotime($row['post_date'])) . '	' . $post_content . '

'; }