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

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>odbc_next_result</H1
><DIV
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><A
NAME="AEN161221"
></A
><P
>    (PHP 4 &#62;= 4.0.5, PHP 5)</P
>odbc_next_result&nbsp;--&nbsp;Checks if multiple results are available</DIV
><DIV
CLASS="refsect1"
><A
NAME="AEN161224"
></A
><H2
>Description</H2
>bool <B
CLASS="methodname"
>odbc_next_result</B
> ( resource result_id )<BR
></BR
><P
>&#13;     <B
CLASS="function"
>odbc_next_result()</B
> returns <TT
CLASS="constant"
><B
>TRUE</B
></TT
> if there are more result sets
     available as well as allowing access to the next result set via
     <A
HREF="function.odbc-fetch-array.html"
><B
CLASS="function"
>odbc_fetch_array()</B
></A
>, <A
HREF="function.odbc-fetch-row.html"
><B
CLASS="function"
>odbc_fetch_row()</B
></A
>,
     <A
HREF="function.odbc-result.html"
><B
CLASS="function"
>odbc_result()</B
></A
>, etc.
    </P
><P
>&#13;     This function returns <TT
CLASS="constant"
><B
>FALSE</B
></TT
> on error.
    </P
><P
>&#13;     The argument is a valid result identifier returned by <A
HREF="function.odbc-exec.html"
><B
CLASS="function"
>odbc_exec()</B
></A
>.
    </P
><P
>&#13;     <TABLE
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><P
><B
>例 1. <B
CLASS="function"
>odbc_next_result()</B
></B
></P
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><code><font color="#000000">
<font color="#0000BB">&lt;?php<br />$r_Connection </font><font color="#007700">= </font><font color="#0000BB">odbc_connect</font><font color="#007700">(</font><font color="#0000BB">$dsn</font><font color="#007700">, </font><font color="#0000BB">$username</font><font color="#007700">, </font><font color="#0000BB">$password</font><font color="#007700">);<br /><br /></font><font color="#0000BB">$s_SQL </font><font color="#007700">= &lt;&lt;&lt;END_SQL<br /></font><font color="#0000BB">SELECT 'A'<br />SELECT 'B'<br />SELECT 'C'<br /></font><font color="#007700">END_SQL;<br /><br /></font><font color="#0000BB">$r_Results </font><font color="#007700">= </font><font color="#0000BB">odbc_exec</font><font color="#007700">(</font><font color="#0000BB">$r_Connection</font><font color="#007700">, </font><font color="#0000BB">$s_SQL</font><font color="#007700">);<br /><br /></font><font color="#0000BB">$a_Row1 </font><font color="#007700">= </font><font color="#0000BB">odbc_fetch_array</font><font color="#007700">(</font><font color="#0000BB">$r_Results</font><font color="#007700">);<br /></font><font color="#0000BB">$a_Row2 </font><font color="#007700">= </font><font color="#0000BB">odbc_fetch_array</font><font color="#007700">(</font><font color="#0000BB">$r_Results</font><font color="#007700">);<br />echo </font><font color="#DD0000">"Dump first result set"</font><font color="#007700">;<br /></font><font color="#0000BB">var_dump</font><font color="#007700">(</font><font color="#0000BB">$a_Row1</font><font color="#007700">, </font><font color="#0000BB">$a_Row2</font><font color="#007700">);<br /><br />echo </font><font color="#DD0000">"Get second results set "</font><font color="#007700">;<br /></font><font color="#0000BB">var_dump</font><font color="#007700">(</font><font color="#0000BB">odbc_next_result</font><font color="#007700">(</font><font color="#0000BB">$r_Results</font><font color="#007700">));<br /><br /></font><font color="#0000BB">$a_Row1 </font><font color="#007700">= </font><font color="#0000BB">odbc_fetch_array</font><font color="#007700">(</font><font color="#0000BB">$r_Results</font><font color="#007700">);<br /></font><font color="#0000BB">$a_Row2 </font><font color="#007700">= </font><font color="#0000BB">odbc_fetch_array</font><font color="#007700">(</font><font color="#0000BB">$r_Results</font><font color="#007700">);<br />echo </font><font color="#DD0000">"Dump second result set "</font><font color="#007700">;<br /></font><font color="#0000BB">var_dump</font><font color="#007700">(</font><font color="#0000BB">$a_Row1</font><font color="#007700">, </font><font color="#0000BB">$a_Row2</font><font color="#007700">);<br /><br />echo </font><font color="#DD0000">"Get third results set "</font><font color="#007700">;<br /></font><font color="#0000BB">var_dump</font><font color="#007700">(</font><font color="#0000BB">odbc_next_result</font><font color="#007700">(</font><font color="#0000BB">$r_Results</font><font color="#007700">));<br /><br /></font><font color="#0000BB">$a_Row1 </font><font color="#007700">= </font><font color="#0000BB">odbc_fetch_array</font><font color="#007700">(</font><font color="#0000BB">$r_Results</font><font color="#007700">);<br /></font><font color="#0000BB">$a_Row2 </font><font color="#007700">= </font><font color="#0000BB">odbc_fetch_array</font><font color="#007700">(</font><font color="#0000BB">$r_Results</font><font color="#007700">);<br />echo </font><font color="#DD0000">"Dump third result set "</font><font color="#007700">;<br /></font><font color="#0000BB">var_dump</font><font color="#007700">(</font><font color="#0000BB">$a_Row1</font><font color="#007700">, </font><font color="#0000BB">$a_Row2</font><font color="#007700">);<br /><br />echo </font><font color="#DD0000">"Try for a fourth result set "</font><font color="#007700">;<br /></font><font color="#0000BB">var_dump</font><font color="#007700">(</font><font color="#0000BB">odbc_next_result</font><font color="#007700">(</font><font color="#0000BB">$r_Results</font><font color="#007700">));<br /></font><font color="#0000BB">?&gt;</font>
</font>
</code></TD
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><P
>上例将输出：</P
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>Dump first result set array(1) {
  ["A"]=&#62;
  string(1) "A"
}
bool(false)
Get second results set bool(true)
Dump second result set array(1) {
  ["B"]=&#62;
  string(1) "B"
}
bool(false)
Get third results set bool(true)
Dump third result set array(1) {
  ["C"]=&#62;
  string(1) "C"
}
bool(false)
Try for a fourth result set bool(false)</PRE
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