<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <HTML ><HEAD ><TITLE >maxdb_fetch_assoc</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="MaxDB PHP Extension" HREF="ref.maxdb.html"><LINK REL="PREVIOUS" TITLE="maxdb_fetch_array" HREF="function.maxdb-fetch-array.html"><LINK REL="NEXT" TITLE="maxdb_fetch_field_direct" HREF="function.maxdb-fetch-field-direct.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.maxdb-fetch-array.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.maxdb-fetch-field-direct.html" ACCESSKEY="N" >下一页</A ></TD ></TR ></TABLE ><HR ALIGN="LEFT" WIDTH="100%"></DIV ><H1 ><A NAME="function.maxdb-fetch-assoc" ></A >maxdb_fetch_assoc</H1 ><DIV CLASS="refnamediv" ><A NAME="AEN110566" ></A ><P > (PECL)</P >maxdb_fetch_assoc<P > (no version information, might be only in CVS)</P >maxdb->fetch_assoc -- Fetch a result row as an associative array</DIV ><DIV CLASS="refsect1" ><A NAME="AEN110570" ></A ><H2 >Description</H2 ><P >Procedural style:</P >array <B CLASS="methodname" >maxdb_fetch_assoc</B > ( resource result )<BR ></BR ><P >Object oriented style (method):</P >class <B CLASS="classname" >result</B > { <BR ></BR >array <B CLASS="methodname" >fetch_assoc</B > ( void )<BR ></BR >}<P > Returns an associative array that corresponds to the fetched row or <TT CLASS="constant" ><B >NULL</B ></TT > if there are no more rows. </P ><P > The <B CLASS="function" >maxdb_fetch_assoc()</B > function is used to return an associative array representing the next row in the result set for the result represented by the <CODE CLASS="parameter" >result</CODE > parameter, where each key in the array represents the name of one of the result set's columns. </P ><P > If two or more columns of the result have the same field names, the last column will take precedence. To access the other column(s) of the same name, you either need to access the result with numeric indices by using <A HREF="function.maxdb-fetch-row.html" ><B CLASS="function" >maxdb_fetch_row()</B ></A > or add alias names. </P ><DIV CLASS="note" ><BLOCKQUOTE CLASS="note" ><P ><B >注意: </B >本函数返回的字段名是<SPAN CLASS="emphasis" ><I CLASS="emphasis" >区分大小写</I ></SPAN >的。</P ></BLOCKQUOTE ></DIV ><DIV CLASS="note" ><BLOCKQUOTE CLASS="note" ><P ><B >注意: </B >本函数对 PHP <TT CLASS="constant" ><B >NULL</B ></TT > 值设定 NULL 字段。</P ></BLOCKQUOTE ></DIV ></DIV ><DIV CLASS="refsect1" ><A NAME="AEN110600" ></A ><H2 >Return values</H2 ><P > Returns an array that corresponds to the fetched row or <TT CLASS="constant" ><B >NULL</B ></TT > if there are no more rows in resultset. </P ></DIV ><DIV CLASS="refsect1" ><A NAME="AEN110604" ></A ><H2 >See also</H2 ><P > <A HREF="function.maxdb-fetch-array.html" ><B CLASS="function" >maxdb_fetch_array()</B ></A >, <A HREF="function.maxdb-fetch-row.html" ><B CLASS="function" >maxdb_fetch_row()</B ></A >, <B CLASS="function" >maxdb_fetch_resource()</B >. </P ></DIV ><DIV CLASS="refsect1" ><A NAME="AEN110610" ></A ><H2 >Example</H2 ><TABLE WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" CLASS="EXAMPLE" ><TR ><TD ><DIV CLASS="example" ><A NAME="AEN110612" ></A ><P ><B >例 1. Object oriented style</B ></P ><TABLE BORDER="0" BGCOLOR="#E0E0E0" CELLPADDING="5" ><TR ><TD ><code><font color="#000000"> <font color="#0000BB"><?php<br />$maxdb </font><font color="#007700">= new </font><font color="#0000BB">maxdb</font><font color="#007700">(</font><font color="#DD0000">"localhost"</font><font color="#007700">, </font><font color="#DD0000">"MONA"</font><font color="#007700">, </font><font color="#DD0000">"RED"</font><font color="#007700">, </font><font color="#DD0000">"DEMODB"</font><font color="#007700">);<br /><br /></font><font color="#FF8000">/* check connection */<br /></font><font color="#007700">if (</font><font color="#0000BB">maxdb_connect_errno</font><font color="#007700">()) {<br /> </font><font color="#0000BB">printf</font><font color="#007700">(</font><font color="#DD0000">"Connect failed: %s\n"</font><font color="#007700">, </font><font color="#0000BB">maxdb_connect_error</font><font color="#007700">());<br /> exit();<br />}<br /><br /></font><font color="#0000BB">$query </font><font color="#007700">= </font><font color="#DD0000">"SELECT name, state FROM hotel.city ORDER by zip"</font><font color="#007700">;<br /><br />if (</font><font color="#0000BB">$result </font><font color="#007700">= </font><font color="#0000BB">$maxdb</font><font color="#007700">-></font><font color="#0000BB">query</font><font color="#007700">(</font><font color="#0000BB">$query</font><font color="#007700">)) {<br /><br /> </font><font color="#FF8000">/* fetch associative array */<br /> </font><font color="#007700">while (</font><font color="#0000BB">$row </font><font color="#007700">= </font><font color="#0000BB">$result</font><font color="#007700">-></font><font color="#0000BB">fetch_assoc</font><font color="#007700">()) {<br /> </font><font color="#0000BB">printf </font><font color="#007700">(</font><font color="#DD0000">"%s (%s)\n"</font><font color="#007700">, </font><font color="#0000BB">$row</font><font color="#007700">[</font><font color="#DD0000">"NAME"</font><font color="#007700">], </font><font color="#0000BB">$row</font><font color="#007700">[</font><font color="#DD0000">"STATE"</font><font color="#007700">]);<br /> }<br /><br /> </font><font color="#FF8000">/* free result set */<br /> </font><font color="#0000BB">$result</font><font color="#007700">-></font><font color="#0000BB">close</font><font color="#007700">();<br />}<br /><br /></font><font color="#FF8000">/* close connection */<br /></font><font color="#0000BB">$maxdb</font><font color="#007700">-></font><font color="#0000BB">close</font><font color="#007700">();<br /></font><font color="#0000BB">?></font> </font> </code></TD ></TR ></TABLE ></DIV ></TD ></TR ></TABLE ><TABLE WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" CLASS="EXAMPLE" ><TR ><TD ><DIV CLASS="example" ><A NAME="AEN110615" ></A ><P ><B >例 2. Procedural style</B ></P ><TABLE BORDER="0" BGCOLOR="#E0E0E0" CELLPADDING="5" ><TR ><TD ><code><font color="#000000"> <font color="#0000BB"><?php<br />$link </font><font color="#007700">= </font><font color="#0000BB">maxdb_connect</font><font color="#007700">(</font><font color="#DD0000">"localhost"</font><font color="#007700">, </font><font color="#DD0000">"MONA"</font><font color="#007700">, </font><font color="#DD0000">"RED"</font><font color="#007700">, </font><font color="#DD0000">"DEMODB"</font><font color="#007700">);<br /><br /></font><font color="#FF8000">/* check connection */<br /></font><font color="#007700">if (</font><font color="#0000BB">maxdb_connect_errno</font><font color="#007700">()) {<br /> </font><font color="#0000BB">printf</font><font color="#007700">(</font><font color="#DD0000">"Connect failed: %s\n"</font><font color="#007700">, </font><font color="#0000BB">maxdb_connect_error</font><font color="#007700">());<br /> exit();<br />}<br /><br /></font><font color="#0000BB">$query </font><font color="#007700">= </font><font color="#DD0000">"SELECT name, state FROM hotel.city ORDER by zip"</font><font color="#007700">;<br /><br />if (</font><font color="#0000BB">$result </font><font color="#007700">= </font><font color="#0000BB">maxdb_query</font><font color="#007700">(</font><font color="#0000BB">$link</font><font color="#007700">, </font><font color="#0000BB">$query</font><font color="#007700">)) {<br /><br /> </font><font color="#FF8000">/* fetch associative array */<br /> </font><font color="#007700">while (</font><font color="#0000BB">$row </font><font color="#007700">= </font><font color="#0000BB">maxdb_fetch_assoc</font><font color="#007700">(</font><font color="#0000BB">$result</font><font color="#007700">)) {<br /> </font><font color="#0000BB">printf </font><font color="#007700">(</font><font color="#DD0000">"%s (%s)\n"</font><font color="#007700">, </font><font color="#0000BB">$row</font><font color="#007700">[</font><font color="#DD0000">"NAME"</font><font color="#007700">], </font><font color="#0000BB">$row</font><font color="#007700">[</font><font color="#DD0000">"STATE"</font><font color="#007700">]);<br /> }<br /><br /> </font><font color="#FF8000">/* free result set */<br /> </font><font color="#0000BB">maxdb_free_result</font><font color="#007700">(</font><font color="#0000BB">$result</font><font color="#007700">);<br />}<br /><br /></font><font color="#FF8000">/* close connection */<br /></font><font color="#0000BB">maxdb_close</font><font color="#007700">(</font><font color="#0000BB">$link</font><font color="#007700">);<br /></font><font color="#0000BB">?></font> </font> </code></TD ></TR ></TABLE ></DIV ></TD ></TR ></TABLE ><P > The above examples would produce the following output: </P ><TABLE BORDER="0" BGCOLOR="#E0E0E0" CELLPADDING="5" ><TR ><TD ><PRE CLASS="screen" >New York (NY) New York (NY) Long Island (NY) Albany (NY) Washington (DC) Washington (DC) Washington (DC) Silver Spring (MD) Daytona Beach (FL) Deerfield Beach (FL) Clearwater (FL) Cincinnati (OH) Detroit (MI) Rosemont (IL) Chicago (IL) Chicago (IL) New Orleans (LA) Dallas (TX) Los Angeles (CA) Hollywood (CA) Long Beach (CA) Palm Springs (CA) Irvine (CA) Santa Clara (CA) Portland (OR)</PRE ></TD ></TR ></TABLE ></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.maxdb-fetch-array.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.maxdb-fetch-field-direct.html" ACCESSKEY="N" >下一页</A ></TD ></TR ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" >maxdb_fetch_array</TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="ref.maxdb.html" ACCESSKEY="U" >上一级</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" >maxdb_fetch_field_direct</TD ></TR ></TABLE ></DIV ></BODY ></HTML >