<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <HTML ><HEAD ><TITLE >odbc_next_result</TITLE ><META NAME="GENERATOR" CONTENT="Modular DocBook HTML Stylesheet Version 1.79"><LINK REL="HOME" TITLE="PHP 手册" HREF="index.html"><LINK REL="UP" TITLE="ODBC Functions (Unified)" HREF="ref.uodbc.html"><LINK REL="PREVIOUS" TITLE="odbc_longreadlen" HREF="function.odbc-longreadlen.html"><LINK REL="NEXT" TITLE="odbc_num_fields" HREF="function.odbc-num-fields.html"><META HTTP-EQUIV="Content-type" CONTENT="text/html; charset=UTF-8"></HEAD ><BODY CLASS="refentry" BGCOLOR="#FFFFFF" TEXT="#000000" LINK="#0000FF" VLINK="#840084" ALINK="#0000FF" ><DIV CLASS="NAVHEADER" ><TABLE SUMMARY="Header navigation table" WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" ><TR ><TH COLSPAN="3" ALIGN="center" >PHP 手册</TH ></TR ><TR ><TD WIDTH="10%" ALIGN="left" VALIGN="bottom" ><A HREF="function.odbc-longreadlen.html" ACCESSKEY="P" >上一页</A ></TD ><TD WIDTH="80%" ALIGN="center" VALIGN="bottom" ></TD ><TD WIDTH="10%" ALIGN="right" VALIGN="bottom" ><A HREF="function.odbc-num-fields.html" ACCESSKEY="N" >下一页</A ></TD ></TR ></TABLE ><HR ALIGN="LEFT" WIDTH="100%"></DIV ><H1 ><A NAME="function.odbc-next-result" ></A >odbc_next_result</H1 ><DIV CLASS="refnamediv" ><A NAME="AEN161221" ></A ><P > (PHP 4 >= 4.0.5, PHP 5)</P >odbc_next_result -- 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 > <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 > This function returns <TT CLASS="constant" ><B >FALSE</B ></TT > on error. </P ><P > The argument is a valid result identifier returned by <A HREF="function.odbc-exec.html" ><B CLASS="function" >odbc_exec()</B ></A >. </P ><P > <TABLE WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" CLASS="EXAMPLE" ><TR ><TD ><DIV CLASS="example" ><A NAME="AEN161243" ></A ><P ><B >例 1. <B CLASS="function" >odbc_next_result()</B ></B ></P ><TABLE BORDER="0" BGCOLOR="#E0E0E0" CELLPADDING="5" ><TR ><TD ><code><font color="#000000"> <font color="#0000BB"><?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">$s_SQL </font><font color="#007700">= <<<END_SQL<br /></font><font color="#0000BB">SELECT 'A'<br />SELECT 'B'<br />SELECT 'C'<br /></font><font color="#007700">END_SQL;<br /><br /></font><font color="#0000BB">$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">?></font> </font> </code></TD ></TR ></TABLE ><P >上例将输出:</P ><TABLE BORDER="0" BGCOLOR="#E0E0E0" CELLPADDING="5" ><TR ><TD ><PRE CLASS="screen" >Dump first result set array(1) { ["A"]=> string(1) "A" } bool(false) Get second results set bool(true) Dump second result set array(1) { ["B"]=> string(1) "B" } bool(false) Get third results set bool(true) Dump third result set array(1) { ["C"]=> string(1) "C" } bool(false) Try for a fourth result set bool(false)</PRE ></TD ></TR ></TABLE ></DIV ></TD ></TR ></TABLE > </P ></DIV ><DIV CLASS="NAVFOOTER" ><HR ALIGN="LEFT" WIDTH="100%"><TABLE SUMMARY="Footer navigation table" WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" ><A HREF="function.odbc-longreadlen.html" ACCESSKEY="P" >上一页</A ></TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="index.html" ACCESSKEY="H" >起始页</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" ><A HREF="function.odbc-num-fields.html" ACCESSKEY="N" >下一页</A ></TD ></TR ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" >odbc_longreadlen</TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="ref.uodbc.html" ACCESSKEY="U" >上一级</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" >odbc_num_fields</TD ></TR ></TABLE ></DIV ></BODY ></HTML 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