用3個驗證者刪除

Question

我需要用3個驗證檢查刪除某些東西。我該怎麼做。目前，這是我這樣做的方式：

mysql_query("DELETE FROM comments WHERE comment_id='$comment' AND (
p_id='$pid' 
for_w = '$z'"); 

Answer 1

什麼：

"DELETE FROM comments WHERE comment_id='$comment' AND p_id='$pid' AND for_w = '$z'" 

Answer 2

就快：

mysql_query("DELETE FROM comments WHERE comment_id='$comment' 
            AND p_id='$pid' 
            AND for_w = '$z'"); 

Answer 3

1 - 你必須把和你的第二個之間和第三個條件
2 - 刪除（在第一個之後：

mysql_query("DELETE FROM comments WHERE comment_id='$comment' AND 
p_id='$pid' AND 
for_w = '$z'");