<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <HTML ><HEAD ><TITLE >dbx_fetch_row</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="dbx Functions" HREF="ref.dbx.html"><LINK REL="PREVIOUS" TITLE="dbx_escape_string" HREF="function.dbx-escape-string.html"><LINK REL="NEXT" TITLE="dbx_query" HREF="function.dbx-query.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.dbx-escape-string.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.dbx-query.html" ACCESSKEY="N" >下一页</A ></TD ></TR ></TABLE ><HR ALIGN="LEFT" WIDTH="100%"></DIV ><H1 ><A NAME="function.dbx-fetch-row" ></A >dbx_fetch_row</H1 ><DIV CLASS="refnamediv" ><A NAME="AEN35487" ></A ><P > (PHP 5 <= 5.0.4)</P >dbx_fetch_row -- Fetches rows from a query-result that had the <TT CLASS="constant" ><B >DBX_RESULT_UNBUFFERED</B ></TT > flag set</DIV ><DIV CLASS="refsect1" ><A NAME="AEN35491" ></A ><H2 >说明</H2 >mixed <B CLASS="methodname" >dbx_fetch_row</B > ( object result_identifier )<BR ></BR ><P > <B CLASS="function" >dbx_fetch_row()</B > fetches rows from a result identifier that had the <TT CLASS="constant" ><B >DBX_RESULT_UNBUFFERED</B ></TT > flag set. </P ><P > When the <TT CLASS="constant" ><B >DBX_RESULT_UNBUFFERED</B ></TT > is not set in the query, <B CLASS="function" >dbx_fetch_row()</B > will fail as all rows have already been fetched into the results <SPAN CLASS="property" >data</SPAN > property. </P ><P > As a side effect, the <SPAN CLASS="property" >rows</SPAN > property of the query-result object is incremented for each successful call to <B CLASS="function" >dbx_fetch_row()</B >. </P ></DIV ><DIV CLASS="refsect1" ><A NAME="AEN35509" ></A ><H2 >参数</H2 ><P > <P ></P ><DIV CLASS="variablelist" ><DL ><DT ><CODE CLASS="parameter" >result_identifier</CODE ></DT ><DD ><P > A result set returned by <A HREF="function.dbx-query.html" ><B CLASS="function" >dbx_query()</B ></A >. </P ></DD ></DL ></DIV > </P ></DIV ><DIV CLASS="refsect1" ><A NAME="AEN35519" ></A ><H2 >返回值</H2 ><P > Returns an object on success that contains the same information as any row would have in the <A HREF="function.dbx-query.html" ><B CLASS="function" >dbx_query()</B ></A > result <SPAN CLASS="property" >data</SPAN > property, including columns accessible by index or fieldname when the flags for <A HREF="function.dbx-query.html" ><B CLASS="function" >dbx_query()</B ></A > were set that way. </P ><P > Upon failure, returns <TT CLASS="literal" >0</TT > (e.g. when no more rows are available). </P ></DIV ><DIV CLASS="refsect1" ><A NAME="AEN35527" ></A ><H2 >范例</H2 ><P > <TABLE WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" CLASS="EXAMPLE" ><TR ><TD ><DIV CLASS="example" ><A NAME="AEN35530" ></A ><P ><B >例 1. How to handle the returned value</B ></P ><TABLE BORDER="0" BGCOLOR="#E0E0E0" CELLPADDING="5" ><TR ><TD ><code><font color="#000000"> <font color="#0000BB"><?php<br />$result </font><font color="#007700">= </font><font color="#0000BB">dbx_query</font><font color="#007700">(</font><font color="#0000BB">$link</font><font color="#007700">, </font><font color="#DD0000">'SELECT id, parentid, description FROM table'</font><font color="#007700">, </font><font color="#0000BB">DBX_RESULT_UNBUFFERED</font><font color="#007700">);<br /><br />echo </font><font color="#DD0000">"<table>\n"</font><font color="#007700">;<br />while (</font><font color="#0000BB">$row </font><font color="#007700">= </font><font color="#0000BB">dbx_fetch_row</font><font color="#007700">(</font><font color="#0000BB">$result</font><font color="#007700">)) {<br /> echo </font><font color="#DD0000">"<tr>\n"</font><font color="#007700">;<br /> foreach (</font><font color="#0000BB">$row </font><font color="#007700">as </font><font color="#0000BB">$field</font><font color="#007700">) {<br /> echo </font><font color="#DD0000">"<td>$field</td>"</font><font color="#007700">;<br /> }<br /> echo </font><font color="#DD0000">"</tr>\n"</font><font color="#007700">;<br />}<br />echo </font><font color="#DD0000">"</table>\n"</font><font color="#007700">;<br /></font><font color="#0000BB">?></font> </font> </code></TD ></TR ></TABLE ></DIV ></TD ></TR ></TABLE > </P ></DIV ><DIV CLASS="refsect1" ><A NAME="AEN35533" ></A ><H2 >参见</H2 ><P > <P ></P ><TABLE BORDER="0" ><TBODY ><TR ><TD ><A HREF="function.dbx-query.html" ><B CLASS="function" >dbx_query()</B ></A ></TD ></TR ></TBODY ></TABLE ><P ></P > </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.dbx-escape-string.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.dbx-query.html" ACCESSKEY="N" >下一页</A ></TD ></TR ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" >dbx_escape_string</TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="ref.dbx.html" ACCESSKEY="U" >上一级</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" >dbx_query</TD ></TR ></TABLE ></DIV ></BODY ></HTML >