<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <HTML ><HEAD ><TITLE >odbc_pconnect</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_num_rows" HREF="function.odbc-num-rows.html"><LINK REL="NEXT" TITLE="odbc_prepare" HREF="function.odbc-prepare.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-num-rows.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-prepare.html" ACCESSKEY="N" >下一页</A ></TD ></TR ></TABLE ><HR ALIGN="LEFT" WIDTH="100%"></DIV ><H1 ><A NAME="function.odbc-pconnect" ></A >odbc_pconnect</H1 ><DIV CLASS="refnamediv" ><A NAME="AEN161283" ></A ><P > (PHP 3 >= 3.0.6, PHP 4, PHP 5)</P >odbc_pconnect -- Open a persistent database connection</DIV ><DIV CLASS="refsect1" ><A NAME="AEN161286" ></A ><H2 >Description</H2 >resource <B CLASS="methodname" >odbc_pconnect</B > ( string dsn, string user, string password [, int cursor_type] )<BR ></BR ><P > Returns an ODBC connection id or 0 (<TT CLASS="constant" ><B >FALSE</B ></TT >) on error. This function is much like <A HREF="function.odbc-connect.html" ><B CLASS="function" >odbc_connect()</B ></A >, except that the connection is not really closed when the script has finished. Future requests for a connection with the same <CODE CLASS="parameter" >dsn</CODE >, <CODE CLASS="parameter" >user</CODE >, <CODE CLASS="parameter" >password</CODE > combination (via <A HREF="function.odbc-connect.html" ><B CLASS="function" >odbc_connect()</B ></A > and <B CLASS="function" >odbc_pconnect()</B >) can reuse the persistent connection. </P ><P > <DIV CLASS="note" ><BLOCKQUOTE CLASS="note" ><P ><B >注意: </B > Persistent connections have no effect if PHP is used as a CGI program. </P ></BLOCKQUOTE ></DIV > </P ><P > For information about the optional cursor_type parameter see the <A HREF="function.odbc-connect.html" ><B CLASS="function" >odbc_connect()</B ></A > function. For more information on persistent connections, refer to the PHP FAQ. </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-num-rows.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-prepare.html" ACCESSKEY="N" >下一页</A ></TD ></TR ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" >odbc_num_rows</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_prepare</TD ></TR ></TABLE ></DIV ></BODY ></HTML >