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

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>maxdb_stmt_bind_result</H1
><DIV
CLASS="refnamediv"
><A
NAME="AEN112805"
></A
><P
>    (PECL)</P
>maxdb_stmt_bind_result<P
>    (no version information, might be only in CVS)</P
>stmt-&#62;bind_result&nbsp;--&nbsp;Binds variables to a prepared statement for result storage</DIV
><DIV
CLASS="refsect1"
><A
NAME="AEN112809"
></A
><H2
>Description</H2
><P
>Procedural style:</P
>bool <B
CLASS="methodname"
>maxdb_stmt_bind_result</B
> ( resource stmt, mixed &#38;var1 [, mixed &#38;...] )<BR
></BR
><P
>Object oriented style (method):</P
>class <B
CLASS="classname"
>stmt</B
> { <BR
></BR
>bool <B
CLASS="methodname"
>bind_result</B
> ( mixed &#38;var1 [, mixed &#38;...] )<BR
></BR
>}<P
>&#13;   <B
CLASS="function"
>maxdb_stmt_bind_result()</B
> is used to associate (bind) columns in the result
   set to variables. When <A
HREF="function.maxdb-stmt-fetch.html"
><B
CLASS="function"
>maxdb_stmt_fetch()</B
></A
> is called to fetch data, the MaxDB
   client/server protocol places the data for the bound columns into the specified variables
   <CODE
CLASS="parameter"
>var1, ...</CODE
>.
  </P
><DIV
CLASS="note"
><BLOCKQUOTE
CLASS="note"
><P
><B
>注意: </B
>
    Note that all columns must be bound prior to calling <A
HREF="function.maxdb-stmt-fetch.html"
><B
CLASS="function"
>maxdb_stmt_fetch()</B
></A
>.
    Depending on column types bound variables can silently change to the corresponding PHP type.
   </P
><P
>&#13;    A column can be bound or rebound at any time, even after a result set has been partially retrieved.
    The new binding takes effect the next time <A
HREF="function.maxdb-stmt-fetch.html"
><B
CLASS="function"
>maxdb_stmt_fetch()</B
></A
> is called.
   </P
></BLOCKQUOTE
></DIV
></DIV
><DIV
CLASS="refsect1"
><A
NAME="AEN112846"
></A
><H2
>Return values</H2
><P
>&#13;   如果成功则返回 <TT
CLASS="constant"
><B
>TRUE</B
></TT
>，失败则返回 <TT
CLASS="constant"
><B
>FALSE</B
></TT
>。
  </P
></DIV
><DIV
CLASS="refsect1"
><A
NAME="AEN112851"
></A
><H2
>See also</H2
><P
>&#13;   <A
HREF="function.maxdb-stmt-bind-param.html"
><B
CLASS="function"
>maxdb_stmt_bind_param()</B
></A
>,
   <A
HREF="function.maxdb-stmt-execute.html"
><B
CLASS="function"
>maxdb_stmt_execute()</B
></A
>,
   <A
HREF="function.maxdb-stmt-fetch.html"
><B
CLASS="function"
>maxdb_stmt_fetch()</B
></A
>,
   <A
HREF="function.maxdb-prepare.html"
><B
CLASS="function"
>maxdb_prepare()</B
></A
>,
   <A
HREF="function.maxdb-stmt-prepare.html"
><B
CLASS="function"
>maxdb_stmt_prepare()</B
></A
>,
   <A
HREF="function.maxdb-stmt-init.html"
><B
CLASS="function"
>maxdb_stmt_init()</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
>
  </P
></DIV
><DIV
CLASS="refsect1"
><A
NAME="AEN112862"
></A
><H2
>Example</H2
><TABLE
WIDTH="100%"
BORDER="0"
CELLPADDING="0"
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CLASS="EXAMPLE"
><TR
><TD
><DIV
CLASS="example"
><A
NAME="AEN112864"
></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">&lt;?php<br />$maxdb </font><font color="#007700">= new </font><font color="#0000BB">maxdb</font><font color="#007700">(</font><font color="#DD0000">"localhost"</font><font color="#007700">, </font><font color="#DD0000">"MONA"</font><font color="#007700">, </font><font color="#DD0000">"RED"</font><font color="#007700">, </font><font color="#DD0000">"DEMODB"</font><font color="#007700">);<br /><br />if (</font><font color="#0000BB">maxdb_connect_errno</font><font color="#007700">()) {<br />&nbsp;&nbsp;&nbsp;</font><font color="#0000BB">printf</font><font color="#007700">(</font><font color="#DD0000">"Connect failed: %s\n"</font><font color="#007700">, </font><font color="#0000BB">maxdb_connect_error</font><font color="#007700">());<br />&nbsp;&nbsp;&nbsp;exit();<br />}<br /><br /></font><font color="#FF8000">/* prepare statement */<br /></font><font color="#007700">if (</font><font color="#0000BB">$stmt </font><font color="#007700">= </font><font color="#0000BB">$maxdb</font><font color="#007700">-&gt;</font><font color="#0000BB">prepare</font><font color="#007700">(</font><font color="#DD0000">"SELECT zip, name FROM hotel.city ORDER BY name"</font><font color="#007700">)) {<br />&nbsp;&nbsp;&nbsp;</font><font color="#0000BB">$stmt</font><font color="#007700">-&gt;</font><font color="#0000BB">execute</font><font color="#007700">();<br /><br />&nbsp;&nbsp;&nbsp;</font><font color="#FF8000">/* bind variables to prepared statement */<br />&nbsp;&nbsp;&nbsp;</font><font color="#0000BB">$stmt</font><font color="#007700">-&gt;</font><font color="#0000BB">bind_result</font><font color="#007700">(</font><font color="#0000BB">$col1</font><font color="#007700">, </font><font color="#0000BB">$col2</font><font color="#007700">);<br /><br />&nbsp;&nbsp;&nbsp;</font><font color="#FF8000">/* fetch values */<br />&nbsp;&nbsp;&nbsp;</font><font color="#007700">while (</font><font color="#0000BB">$stmt</font><font color="#007700">-&gt;</font><font color="#0000BB">fetch</font><font color="#007700">()) {<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</font><font color="#0000BB">printf</font><font color="#007700">(</font><font color="#DD0000">"%s %s\n"</font><font color="#007700">, </font><font color="#0000BB">$col1</font><font color="#007700">, </font><font color="#0000BB">$col2</font><font color="#007700">);<br />&nbsp;&nbsp;&nbsp;}<br /><br />&nbsp;&nbsp;&nbsp;</font><font color="#FF8000">/* close statement */<br />&nbsp;&nbsp;&nbsp;</font><font color="#0000BB">$stmt</font><font color="#007700">-&gt;</font><font color="#0000BB">close</font><font color="#007700">();<br />}<br /></font><font color="#FF8000">/* close connection */<br /></font><font color="#0000BB">$maxdb</font><font color="#007700">-&gt;</font><font color="#0000BB">close</font><font color="#007700">();<br /><br /></font><font color="#0000BB">?&gt;</font>
</font>
</code></TD
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><TD
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><A
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></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">&lt;?php<br />$link </font><font color="#007700">= </font><font color="#0000BB">maxdb_connect</font><font color="#007700">(</font><font color="#DD0000">"localhost"</font><font color="#007700">, </font><font color="#DD0000">"MONA"</font><font color="#007700">, </font><font color="#DD0000">"RED"</font><font color="#007700">, </font><font color="#DD0000">"DEMODB"</font><font color="#007700">);<br /><br /></font><font color="#FF8000">/* check connection */<br /></font><font color="#007700">if (!</font><font color="#0000BB">$link</font><font color="#007700">) {<br />&nbsp;&nbsp;&nbsp;</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 />&nbsp;&nbsp;&nbsp;exit();<br />}<br /><br /></font><font color="#FF8000">/* prepare statement */<br /></font><font color="#007700">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="#DD0000">"SELECT zip, name FROM hotel.city ORDER BY name"</font><font color="#007700">)) {<br />&nbsp;&nbsp;&nbsp;</font><font color="#0000BB">maxdb_stmt_execute</font><font color="#007700">(</font><font color="#0000BB">$stmt</font><font color="#007700">);<br /><br />&nbsp;&nbsp;&nbsp;</font><font color="#FF8000">/* bind variables to prepared statement */<br />&nbsp;&nbsp;&nbsp;</font><font color="#0000BB">maxdb_stmt_bind_result</font><font color="#007700">(</font><font color="#0000BB">$stmt</font><font color="#007700">, </font><font color="#0000BB">$col1</font><font color="#007700">, </font><font color="#0000BB">$col2</font><font color="#007700">);<br /><br />&nbsp;&nbsp;&nbsp;</font><font color="#FF8000">/* fetch values */<br />&nbsp;&nbsp;&nbsp;</font><font color="#007700">while (</font><font color="#0000BB">maxdb_stmt_fetch</font><font color="#007700">(</font><font color="#0000BB">$stmt</font><font color="#007700">)) {<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</font><font color="#0000BB">printf</font><font color="#007700">(</font><font color="#DD0000">"%s %s\n"</font><font color="#007700">, </font><font color="#0000BB">$col1</font><font color="#007700">, </font><font color="#0000BB">$col2</font><font color="#007700">);<br />&nbsp;&nbsp;&nbsp;}<br /><br />&nbsp;&nbsp;&nbsp;</font><font color="#FF8000">/* close statement */<br />&nbsp;&nbsp;&nbsp;</font><font color="#0000BB">maxdb_stmt_close</font><font color="#007700">(</font><font color="#0000BB">$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">?&gt;</font>
</font>
</code></TD
></TR
></TABLE
></DIV
></TD
></TR
></TABLE
><P
>&#13;   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
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