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php-manual-zh-5.2.4-1mdv2008.1.noarch.rpm

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>ifx_fetch_row</H1
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><A
NAME="AEN99954"
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><P
>    (PHP 3 &#62;= 3.0.3, PHP 4, PHP 5)</P
>ifx_fetch_row&nbsp;--&nbsp;Get row as an associative array</DIV
><DIV
CLASS="refsect1"
><A
NAME="AEN99957"
></A
><H2
>说明</H2
>array <B
CLASS="methodname"
>ifx_fetch_row</B
> ( resource result_id [, mixed position] )<BR
></BR
><P
>&#13;   Fetches one row of data from the result associated with the specified
   result identifier.
  </P
><P
>&#13;   Subsequent calls to <B
CLASS="function"
>ifx_fetch_row()</B
> would return the
   next row in the result set, or <TT
CLASS="constant"
><B
>FALSE</B
></TT
> if there are no  more rows.
  </P
></DIV
><DIV
CLASS="refsect1"
><A
NAME="AEN99972"
></A
><H2
>参数</H2
><P
>&#13;   <P
></P
><DIV
CLASS="variablelist"
><DL
><DT
><CODE
CLASS="parameter"
>result_id</CODE
></DT
><DD
><P
>&#13;       <CODE
CLASS="parameter"
>result_id</CODE
> is a valid resultid returned by
       <A
HREF="function.ifx-query.html"
><B
CLASS="function"
>ifx_query()</B
></A
> or
       <A
HREF="function.ifx-prepare.html"
><B
CLASS="function"
>ifx_prepare()</B
></A
> (select type queries only!).
      </P
></DD
><DT
><CODE
CLASS="parameter"
>position</CODE
></DT
><DD
><P
>&#13;       An optional parameter for a "fetch" operation on "scroll" cursors:
       <TT
CLASS="literal"
>NEXT</TT
>, <TT
CLASS="literal"
>PREVIOUS</TT
>,
       <TT
CLASS="literal"
>CURRENT</TT
>, <TT
CLASS="literal"
>FIRST</TT
>, 
       <TT
CLASS="literal"
>LAST</TT
> or a number.  If you specify a number, an
       "absolute" row fetch is executed.  This parameter is optional, and
       only valid for SCROLL cursors.
      </P
></DD
></DL
></DIV
>
  </P
></DIV
><DIV
CLASS="refsect1"
><A
NAME="AEN99994"
></A
><H2
>返回值</H2
><P
>&#13;   Returns an associative array that corresponds to the fetched row, or
   <TT
CLASS="constant"
><B
>FALSE</B
></TT
> if there are no more rows.
  </P
><P
>&#13;   Blob columns are returned as integer blob id values for use in
   <A
HREF="function.ifx-get-blob.html"
><B
CLASS="function"
>ifx_get_blob()</B
></A
> unless you have used
   ifx_textasvarchar(1) or ifx_byteasvarchar(1), in which case blobs
   are returned as string values.
  </P
></DIV
><DIV
CLASS="refsect1"
><A
NAME="AEN100000"
></A
><H2
>范例</H2
><P
>&#13;   <TABLE
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></A
><P
><B
>例 1. Informix fetch rows</B
></P
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><code><font color="#000000">
<font color="#0000BB">&lt;?php<br />$rid </font><font color="#007700">= </font><font color="#0000BB">ifx_prepare </font><font color="#007700">(</font><font color="#DD0000">"select * from emp where name like " </font><font color="#007700">. </font><font color="#0000BB">$name</font><font color="#007700">,<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</font><font color="#0000BB">$connid</font><font color="#007700">, </font><font color="#0000BB">IFX_SCROLL</font><font color="#007700">);<br />if (! </font><font color="#0000BB">$rid</font><font color="#007700">) {<br />&nbsp;&nbsp;&nbsp;&nbsp;</font><font color="#FF8000">/* ... error ... */<br /></font><font color="#007700">}<br /></font><font color="#0000BB">$rowcount </font><font color="#007700">= </font><font color="#0000BB">ifx_affected_rows</font><font color="#007700">(</font><font color="#0000BB">$rid</font><font color="#007700">);<br />if (</font><font color="#0000BB">$rowcount </font><font color="#007700">&gt; </font><font color="#0000BB">1000</font><font color="#007700">) {<br />&nbsp;&nbsp;&nbsp;&nbsp;</font><font color="#0000BB">printf </font><font color="#007700">(</font><font color="#DD0000">"Too many rows in result set (%d)\n&lt;br /&gt;"</font><font color="#007700">, </font><font color="#0000BB">$rowcount</font><font color="#007700">);<br />&nbsp;&nbsp;&nbsp;&nbsp;die (</font><font color="#DD0000">"Please restrict your query&lt;br /&gt;\n"</font><font color="#007700">);<br />}<br />if (! </font><font color="#0000BB">ifx_do </font><font color="#007700">(</font><font color="#0000BB">$rid</font><font color="#007700">)) {<br />&nbsp;&nbsp;&nbsp;</font><font color="#FF8000">/* ... error ... */<br /></font><font color="#007700">}<br /></font><font color="#0000BB">$row </font><font color="#007700">= </font><font color="#0000BB">ifx_fetch_row </font><font color="#007700">(</font><font color="#0000BB">$rid</font><font color="#007700">, </font><font color="#DD0000">"NEXT"</font><font color="#007700">);<br />while (</font><font color="#0000BB">is_array</font><font color="#007700">(</font><font color="#0000BB">$row</font><font color="#007700">)) {<br />&nbsp;&nbsp;&nbsp;&nbsp;for (</font><font color="#0000BB">reset</font><font color="#007700">(</font><font color="#0000BB">$row</font><font color="#007700">); </font><font color="#0000BB">$fieldname</font><font color="#007700">=</font><font color="#0000BB">key</font><font color="#007700">(</font><font color="#0000BB">$row</font><font color="#007700">); </font><font color="#0000BB">next</font><font color="#007700">(</font><font color="#0000BB">$row</font><font color="#007700">)) {<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</font><font color="#0000BB">$fieldvalue </font><font color="#007700">= </font><font color="#0000BB">$row</font><font color="#007700">[</font><font color="#0000BB">$fieldname</font><font color="#007700">];<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</font><font color="#0000BB">printf </font><font color="#007700">(</font><font color="#DD0000">"%s = %s,"</font><font color="#007700">, </font><font color="#0000BB">$fieldname</font><font color="#007700">, </font><font color="#0000BB">$fieldvalue</font><font color="#007700">);<br />&nbsp;&nbsp;&nbsp;&nbsp;}<br />&nbsp;&nbsp;&nbsp;&nbsp;</font><font color="#0000BB">printf</font><font color="#007700">(</font><font color="#DD0000">"\n&lt;br /&gt;"</font><font color="#007700">);<br />&nbsp;&nbsp;&nbsp;&nbsp;</font><font color="#0000BB">$row </font><font color="#007700">= </font><font color="#0000BB">ifx_fetch_row</font><font color="#007700">(</font><font color="#0000BB">$rid</font><font color="#007700">, </font><font color="#DD0000">"NEXT"</font><font color="#007700">);<br />}<br /></font><font color="#0000BB">ifx_free_result </font><font color="#007700">(</font><font color="#0000BB">$rid</font><font color="#007700">);<br /></font><font color="#0000BB">?&gt;</font>
</font>
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