include($phpbb_root_path . 'includes/function_posting.php'
bu şekilde ekledim.

Parse error: syntax error, unexpected T_VARIABLE in /home/zahmet/public_html/posting.php on line 1354
dedi.

1354. satır ise bu:
$topic_type_toggle = posting_gen_topic_types($forum_id, $post_data['topic_type']);