if(empty($uid) && $action != 'rate') 
{ 
showmsgs('no_login','../member/login.php?gourl=../ask/'); 
exit; 
}

if(empty($uid) && $action != 'rate') 
{ 
if($action!='ask' & $action!='') 
{ 
showmsgs('no_login','../member/login.php?gourl=../ask/'); 
exit; 
} 
}

/*if($question['uid'] == $uid) 

{ 

showmsgs('asker_cannot_answer', '-1'); 

}else*/

if($answer['uid'] != $uid) 

{ 

showmsgs('unallowed_action', $backurl); 

}else

if($question['uid'] == $uid) 

{ 

showmsgs('asker_cannot_answer', '-1'); 

}else

else if($action == 'modifyanswer') 

{ 

$answer = $dsql->getone("SELECT answer.id, answer.uid, ask.dateline, ask.solvetime, ask.status, ask.expiredtime FROM `dede_askanswer` answer left join dede_ask ask on ask.id=answer.askid WHERE answer.id='$id'"); 

if($answer) 

{ 

if($answer['uid'] != $uid) 

{ 

showmsgs('unallowed_action', $backurl); 

}elseif($answer['status'] != 0) 

{ 

showmsgs('question_solved', $backurl); 

}elseif($answer['expiredtime'] < $timestamp) 

{ 

showmsgs('question_expired', $backurl); 

} 

} else 

{ 

showmsgs('question_nonexistence'); 

} 



if(trim($content) == '') 

{ 

showmsgs('post_answer_isnull'); 

} 

if(strlen($content) > 10000) 

{ 

showmsgs('post_answer_toolong'); 

} 

if(strlen($brief) > 200) 

{ 

showmsgs('post_brief_toolong', '-1'); 

} 

if($dsql->ExecuteNoneQuery("update dede_askanswer set content='$content', brief='$brief' where id='$id'")) 

{ 

showmsgs('modifyanswer_success',$backurl); 

}else 

{ 

showmsgs('modifyanswer_failed',$backurl); 

} 

}

if($question['uid'] == $uid) 

{ 

$publisher = 1; 

}