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>mysql_insert_id</TITLE
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><H1
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>mysql_insert_id</A
></H1
><DIV
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></A
><P
>    (PHP3 , PHP4 )</P
>mysql_insert_id&nbsp;--&nbsp;
     Get the id generated from the previous INSERT operation
    </DIV
><DIV
CLASS="refsect1"
><A
NAME="AEN24558"
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><H2
>Description</H2
><DIV
CLASS="funcsynopsis"
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><P
></P
><P
><CODE
><CODE
CLASS="FUNCDEF"
>int <B
CLASS="function"
>mysql_insert_id</B
></CODE
> ([int 
       link_identifier])</CODE
></P
><P
></P
></DIV
><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 mysql_insert_id()
     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
></BLOCKQUOTE
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></TD
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><P
>&#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
>.  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
>.
     </P
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