<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<HTML
><HEAD
><TITLE
>maxdb_stmt_fetch</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_stmt_execute"
HREF="function.maxdb-stmt-execute.html"><LINK
REL="NEXT"
TITLE="maxdb_stmt_free_result"
HREF="function.maxdb-stmt-free-result.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-stmt-execute.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-stmt-free-result.html"
ACCESSKEY="N"
>下一页</A
></TD
></TR
></TABLE
><HR
ALIGN="LEFT"
WIDTH="100%"></DIV
><H1
><A
NAME="function.maxdb-stmt-fetch"
></A
>maxdb_stmt_fetch</H1
><DIV
CLASS="refnamediv"
><A
NAME="AEN113140"
></A
><P
> (PECL)</P
>maxdb_stmt_fetch<P
> (no version information, might be only in CVS)</P
>stmt->fetch -- Fetch results from a prepared statement into the bound variables</DIV
><DIV
CLASS="refsect1"
><A
NAME="AEN113144"
></A
><H2
>Description</H2
><P
>Procedural style:</P
>bool <B
CLASS="methodname"
>maxdb_stmt_fetch</B
> ( resource stmt )<BR
></BR
><P
>Object oriented style (method):</P
>class <B
CLASS="classname"
>stmt</B
> { <BR
></BR
>bool <B
CLASS="methodname"
>fetch</B
> ( void )<BR
></BR
>}<P
> <B
CLASS="function"
>maxdb_stmt_fetch()</B
> returns row data using the variables
bound by <A
HREF="function.maxdb-stmt-bind-result.html"
><B
CLASS="function"
>maxdb_stmt_bind_result()</B
></A
>.
</P
><DIV
CLASS="note"
><BLOCKQUOTE
CLASS="note"
><P
><B
>注意: </B
>
Note that all columns must be bound by the application before calling <B
CLASS="function"
>maxdb_stmt_fetch()</B
>.
</P
></BLOCKQUOTE
></DIV
></DIV
><DIV
CLASS="refsect1"
><A
NAME="AEN113167"
></A
><H2
>Return values</H2
><DIV
CLASS="table"
><A
NAME="AEN113169"
></A
><P
><B
>表 1. Return values</B
></P
><TABLE
BORDER="1"
CLASS="CALSTABLE"
><COL><COL><THEAD
><TR
><TH
>Value</TH
><TH
>Description</TH
></TR
></THEAD
><TBODY
><TR
><TD
><TT
CLASS="constant"
><B
>TRUE</B
></TT
></TD
><TD
>Success. Data has been fetched</TD
></TR
><TR
><TD
><TT
CLASS="constant"
><B
>FALSE</B
></TT
></TD
><TD
>Error occured</TD
></TR
><TR
><TD
><TT
CLASS="literal"
><TT
CLASS="constant"
><B
>NULL</B
></TT
></TT
></TD
><TD
>No more rows/data exists</TD
></TR
></TBODY
></TABLE
></DIV
></DIV
><DIV
CLASS="refsect1"
><A
NAME="AEN113190"
></A
><H2
>See also</H2
><P
> <A
HREF="function.maxdb-prepare.html"
><B
CLASS="function"
>maxdb_prepare()</B
></A
>,
<A
HREF="function.maxdb-stmt-errno.html"
><B
CLASS="function"
>maxdb_stmt_errno()</B
></A
>,
<A
HREF="function.maxdb-stmt-error.html"
><B
CLASS="function"
>maxdb_stmt_error()</B
></A
>,
<A
HREF="function.maxdb-stmt-bind-result.html"
><B
CLASS="function"
>maxdb_stmt_bind_result()</B
></A
>
</P
></DIV
><DIV
CLASS="refsect1"
><A
NAME="AEN113197"
></A
><H2
>Example</H2
><TABLE
WIDTH="100%"
BORDER="0"
CELLPADDING="0"
CELLSPACING="0"
CLASS="EXAMPLE"
><TR
><TD
><DIV
CLASS="example"
><A
NAME="AEN113199"
></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 zip, name FROM hotel.city ORDER by name"</font><font color="#007700">;<br /><br />if (</font><font color="#0000BB">$stmt </font><font color="#007700">= </font><font color="#0000BB">$maxdb</font><font color="#007700">-></font><font color="#0000BB">prepare</font><font color="#007700">(</font><font color="#0000BB">$query</font><font color="#007700">)) {<br /><br /> </font><font color="#FF8000">/* execute statement */<br /> </font><font color="#0000BB">$stmt</font><font color="#007700">-></font><font color="#0000BB">execute</font><font color="#007700">();<br /><br /> </font><font color="#FF8000">/* bind result variables */<br /> </font><font color="#0000BB">$stmt</font><font color="#007700">-></font><font color="#0000BB">bind_result</font><font color="#007700">(</font><font color="#0000BB">$name</font><font color="#007700">, </font><font color="#0000BB">$code</font><font color="#007700">);<br /><br /> </font><font color="#FF8000">/* fetch values */<br /> </font><font color="#007700">while (</font><font color="#0000BB">$stmt</font><font color="#007700">-></font><font color="#0000BB">fetch</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">$name</font><font color="#007700">, </font><font color="#0000BB">$code</font><font color="#007700">);<br /> }<br /><br /> </font><font color="#FF8000">/* close statement */<br /> </font><font color="#0000BB">$stmt</font><font color="#007700">-></font><font color="#0000BB">close</font><font color="#007700">();<br />}<br /><br /></font><font color="#FF8000">/* close connection */<br /></font><font color="#0000BB">$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="AEN113202"
></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 zip, name FROM hotel.city ORDER by name"</font><font color="#007700">;<br /><br />if (</font><font color="#0000BB">$stmt </font><font color="#007700">= </font><font color="#0000BB">maxdb_prepare</font><font color="#007700">(</font><font color="#0000BB">$link</font><font color="#007700">, </font><font color="#0000BB">$query</font><font color="#007700">)) {<br /><br /> </font><font color="#FF8000">/* execute statement */<br /> </font><font color="#0000BB">maxdb_stmt_execute</font><font color="#007700">(</font><font color="#0000BB">$stmt</font><font color="#007700">);<br /><br /> </font><font color="#FF8000">/* bind result variables */<br /> </font><font color="#0000BB">maxdb_stmt_bind_result</font><font color="#007700">(</font><font color="#0000BB">$stmt</font><font color="#007700">, </font><font color="#0000BB">$name</font><font color="#007700">, </font><font color="#0000BB">$code</font><font color="#007700">);<br /><br /> </font><font color="#FF8000">/* fetch values */<br /> </font><font color="#007700">while (</font><font color="#0000BB">maxdb_stmt_fetch</font><font color="#007700">(</font><font color="#0000BB">$stmt</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">$name</font><font color="#007700">, </font><font color="#0000BB">$code</font><font color="#007700">);<br /> }<br /><br /> </font><font color="#FF8000">/* close statement */<br /> </font><font color="#0000BB">maxdb_stmt_close</font><font color="#007700">(</font><font color="#0000BB">$stmt</font><font color="#007700">);<br />}<br /><br /></font><font color="#FF8000">/* close connection */<br /></font><font color="#0000BB">maxdb_close</font><font color="#007700">(</font><font color="#0000BB">$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"
>12203 (Albany)
60601 (Chicago)
60615 (Chicago)
45211 (Cincinnati)
33575 (Clearwater)
75243 (Dallas)
32018 (Daytona Beach)
33441 (Deerfield Beach)
48226 (Detroit)
90029 (Hollywood)
92714 (Irvine)
90804 (Long Beach)
11788 (Long Island)
90018 (Los Angeles)
70112 (New Orleans)
10019 (New York)
10580 (New York)
92262 (Palm Springs)
97213 (Portland)
60018 (Rosemont)
95054 (Santa Clara)
20903 (Silver Spring)
20005 (Washington)
20019 (Washington)
20037 (Washington)</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-stmt-execute.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-stmt-free-result.html"
ACCESSKEY="N"
>下一页</A
></TD
></TR
><TR
><TD
WIDTH="33%"
ALIGN="left"
VALIGN="top"
>maxdb_stmt_execute</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_stmt_free_result</TD
></TR
></TABLE
></DIV
></BODY
></HTML
>
