$link_map = include '../includes/link_map.php'; $keywords = file('keyword.txt', FILE_IGNORE_NEW_LINES | FILE_SKIP_EMPTY_LINES); $missing = []; foreach ($keywords as $kw) { $kw = trim($kw); if ($kw === 'Keyword') continue; if (!isset($link_map[$kw])) { $missing[] = $kw; } } $next_batch = array_slice($missing, 0, 15); file_put_contents('group_12_keywords.txt', implode("\n", $next_batch)); echo "SUCCESS: Group 12 keywords written to group_12_keywords.txt\n";