<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <HTML ><HEAD ><TITLE >odbc_prepare</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_pconnect" HREF="function.odbc-pconnect.html"><LINK REL="NEXT" TITLE="odbc_primarykeys" HREF="function.odbc-primarykeys.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-pconnect.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-primarykeys.html" ACCESSKEY="N" >下一页</A ></TD ></TR ></TABLE ><HR ALIGN="LEFT" WIDTH="100%"></DIV ><H1 ><A NAME="function.odbc-prepare" ></A >odbc_prepare</H1 ><DIV CLASS="refnamediv" ><A NAME="AEN161317" ></A ><P > (PHP 3 >= 3.0.6, PHP 4, PHP 5)</P >odbc_prepare -- Prepares a statement for execution</DIV ><DIV CLASS="refsect1" ><A NAME="AEN161320" ></A ><H2 >Description</H2 >resource <B CLASS="methodname" >odbc_prepare</B > ( resource connection_id, string query_string )<BR ></BR ><P > Returns <TT CLASS="constant" ><B >FALSE</B ></TT > on error. </P ><P > Returns an ODBC result identifier if the SQL command was prepared successfully. The result identifier can be used later to execute the statement with <A HREF="function.odbc-execute.html" ><B CLASS="function" >odbc_execute()</B ></A >. </P ><P > Some databases (such as IBM DB2, MS SQL Server, and Oracle) support stored procedures that accept parameters of type IN, INOUT, and OUT as defined by the ODBC specification. However, the Unified ODBC driver currently only supports parameters of type IN to stored procedures. </P ><P > In the following code, <CODE CLASS="varname" >$res</CODE > will only be valid if all three parameters to myproc are IN parameters: <TABLE BORDER="0" BGCOLOR="#E0E0E0" CELLPADDING="5" ><TR ><TD ><code><font color="#000000"> <font color="#0000BB"><?php<br />$a </font><font color="#007700">= </font><font color="#0000BB">1</font><font color="#007700">;<br /></font><font color="#0000BB">$b </font><font color="#007700">= </font><font color="#0000BB">2</font><font color="#007700">;<br /></font><font color="#0000BB">$c </font><font color="#007700">= </font><font color="#0000BB">3</font><font color="#007700">;<br /></font><font color="#0000BB">$stmt </font><font color="#007700">= </font><font color="#0000BB">odbc_prepare</font><font color="#007700">(</font><font color="#0000BB">$conn</font><font color="#007700">, </font><font color="#DD0000">'CALL myproc(?,?,?)'</font><font color="#007700">);<br /></font><font color="#0000BB">$res </font><font color="#007700">= </font><font color="#0000BB">odbc_execute</font><font color="#007700">(</font><font color="#0000BB">$stmt</font><font color="#007700">, array(</font><font color="#0000BB">$a</font><font color="#007700">, </font><font color="#0000BB">$b</font><font color="#007700">, </font><font color="#0000BB">$c</font><font color="#007700">));<br /></font><font color="#0000BB">?></font> </font> </code></TD ></TR ></TABLE > If you need to call a stored procedure using INOUT or OUT parameters, the recommended workaround is to use a native extension for your database (for example, <A HREF="ref.mssql.html" >mssql</A > for MS SQL Server, or <A HREF="ref.mssql.html" >oci8</A > for Oracle). </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-pconnect.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-primarykeys.html" ACCESSKEY="N" >下一页</A ></TD ></TR ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" >odbc_pconnect</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_primarykeys</TD ></TR ></TABLE ></DIV ></BODY ></HTML >
