want to do a double MYSQL INSERT INTO to two different tables - php

Question

I want to be able to insert into two different mysql tables using php with the second mysql insert being dependent on the member id of the first insert.
For example:
mysql_query("
INSERT INTO `member_users` (
`id`,
`first_name`,
`last_name`,
`username`,
`password`,
`address1`,
`address2`,
`postcode`,
`access`,
`expires`
) VALUES (
NULL,
'$fname',
'$lname',
'$email',
'$passhash',
'$add1',
'$city',
'$postcode',
'',
''
)"
);
Then I want to take the id of this member user to create a mysql_query insert on the same page eg:
mysql_query("
INSERT INTO `member_orders` (
`order_id`,
`member_id`,
`date`,
`item`,
`size`,
`quantity`,
`price`,
`tracking_id`,
`status`,
`item_sent`,
`notes`
) VALUES (
NULL,
'$userid',
'',
'',
'',
'',
'',
'',
'',
'',
''
)
");
its probably a really easy answer and a really silly question but cannot seem to find the answer anywhere
thanks in advance

Answer 1

If I have understood correctly, and you need to get the member_id from the first query, to use in the second query, you can use the PHP function
$the_member_id = mysql_insert_id();
http://php.net/manual/en/function.mysql-insert-id.php
You can also do it without using that PHP function
$sql = "SELECT LAST_INSERT_ID()";
// add code here to run the query.

Answer 2

You can use the php function mysql_insert_id() to get the last id you input into the database.
EG:
$sql = "INSERT INTO `table` VALUES (NULL, 'Thomas', 'Male')";
$query = mysql_query($sql);
$id = mysql_insert_id();
So in your question after the first INSERT you need this:
$userid = mysql_insert_id();
Then your second query will work.

Answer 3

You can use mysql_insert_id() to get id, generated by last insert.
mysql_insert_id — Get the ID generated from the previous INSERT operation

Answer 4

You could use the LAST_INSERT_ID MySQL function in your second SQL statement to get the last insert ID from the first.
mysql_query("
INSERT INTO `member_orders` (
`order_id`,
`member_id`,
`date`,
`item`,
`size`,
`quantity`,
`price`,
`tracking_id`,
`status`,
`item_sent`,
`notes`
) VALUES (
NULL,
LAST_INSERT_ID(),
'',
'',
'',
'',
'',
'',
'',
'',
''
)
");
I would recommend that if you use this approach then you execute the queries within a transaction. That way there's no way that another insert can occur between your first insert and your second, thus throwing off the result of LAST_INSERT_ID.

Answer 5

After executing mysql_query() function you can get lastly inserted id of lastly inserted table by mysql_insert_id().

Answer 6

You can do something like what is done in this example
$sql = "INSERT INTO users(name,gender) VALUES ('$name','$gender')";
$result = mysql_query( $sql,$conn );
$user_id = mysql_insert_id( $conn );
$sql = "INSERT INTO website(site,user) VALUES ('$site',$user_id)";
$result = mysql_query( $sql,$conn );
Manual for mysql_insert_id