小弟我插入的时候，要怎么知道它分配的ID号是多少呢

我插入的时候，要如何知道它分配的ID号是多少呢？

SQL code

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mysql> desc fb64_key;
+-------+-------------+------+-----+---------+----------------+
| Field | Type        | Null | Key | Default | Extra          |
+-------+-------------+------+-----+---------+----------------+
| fbid  | int(11)     | NO   | PRI | NULL    | auto_increment |
| fbkey | varchar(16) | NO   |     | NULL    |                |
+-------+-------------+------+-----+---------+----------------+
2 rows in set (0.00 sec)

fbid是自动分配ID的。。

SQL code

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-->INSERT INTO `webgame`.`fb64_key` (
`fbid` ,
`fbkey` 
)
VALUES (
NULL , '222'
);

我是用PHP怎么知道它分配的ID号是多少呢？？谢谢

------解决方案--------------------
mysql_insert_id()