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php-manual-en-4.3.0-2mdk.noarch.rpm

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><H1
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>mysql_insert_id</H1
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><P
>    (PHP 3, PHP 4 )</P
>mysql_insert_id&nbsp;--&nbsp;
     Get the ID generated from the previous INSERT operation
    </DIV
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><H2
>Description</H2
>int <B
CLASS="methodname"
>mysql_insert_id</B
> ( [resource link_identifier])<BR
></BR
><P
>&#13;     <B
CLASS="function"
>mysql_insert_id()</B
> returns the ID generated for
     an AUTO_INCREMENT column by the previous INSERT query using the
     given <TT
CLASS="parameter"
><I
>link_identifier</I
></TT
>.  If
     <TT
CLASS="parameter"
><I
>link_identifier</I
></TT
> isn't specified, the last
     opened link is assumed.
    </P
><P
>&#13;     <B
CLASS="function"
>mysql_insert_id()</B
> returns 0 if the previous
     query does not generate an AUTO_INCREMENT value. If you need to
     save the value for later, be sure to call
     <B
CLASS="function"
>mysql_insert_id()</B
> immediately after the
     query that generates the value.
    </P
><DIV
CLASS="note"
><BLOCKQUOTE
CLASS="note"
><P
><B
>Note: </B
>
      The value of the MySQL SQL function
      <TT
CLASS="literal"
>LAST_INSERT_ID()</TT
> always contains the most
      recently generated AUTO_INCREMENT value, and is not reset
      between queries.
    </P
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>Warning</B
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>&#13;      <B
CLASS="function"
>mysql_insert_id()</B
> converts the return type of
      the native MySQL C API function
      <TT
CLASS="literal"
>mysql_insert_id()</TT
> to a type of
      <TT
CLASS="literal"
>long</TT
> (named <A
HREF="language.types.integer.html"
><B
CLASS="type"
>int</B
></A
> in PHP).
      If your AUTO_INCREMENT column has a column type of BIGINT,
      the value returned by <B
CLASS="function"
>mysql_insert_id()</B
>
      will be incorrect. Instead, use the internal MySQL SQL function
      <TT
CLASS="literal"
>LAST_INSERT_ID()</TT
> in an SQL query.
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><B
>Example 1. mysql_insert_id Example</B
></P
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><PRE
CLASS="php"
>&#60;?php
    mysql_connect("localhost", "mysql_user", "mysql_password") or
        die("Could not connect: " . mysql_error());
    mysql_select_db("mydb");

    mysql_query("INSERT INTO mytable (product) values ('kossu')");
    printf ("Last inserted record has id %d\n", mysql_insert_id());
?&#62;</PRE
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>&#13;     See also: <A
HREF="function.mysql-query.html"
><B
CLASS="function"
>mysql_query()</B
></A
>.
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