<HTML ><HEAD ><TITLE >pg_pconnect</TITLE ><META NAME="GENERATOR" CONTENT="Modular DocBook HTML Stylesheet Version 1.7"><LINK REL="HOME" TITLE="PHP Manual" HREF="index.html"><LINK REL="UP" TITLE="PostgreSQL functions" HREF="ref.pgsql.html"><LINK REL="PREVIOUS" TITLE="pg_options" HREF="function.pg-options.html"><LINK REL="NEXT" TITLE="pg_ping" HREF="function.pg-ping.html"><META HTTP-EQUIV="Content-type" CONTENT="text/html; charset=ISO-8859-1"></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 Manual</TH ></TR ><TR ><TD WIDTH="10%" ALIGN="left" VALIGN="bottom" ><A HREF="function.pg-options.html" ACCESSKEY="P" >Prev</A ></TD ><TD WIDTH="80%" ALIGN="center" VALIGN="bottom" ></TD ><TD WIDTH="10%" ALIGN="right" VALIGN="bottom" ><A HREF="function.pg-ping.html" ACCESSKEY="N" >Next</A ></TD ></TR ></TABLE ><HR ALIGN="LEFT" WIDTH="100%"></DIV ><H1 ><A NAME="function.pg-pconnect" ></A >pg_pconnect</H1 ><DIV CLASS="refnamediv" ><A NAME="AEN77681" ></A ><P > (PHP 3, PHP 4 )</P >pg_pconnect -- Open a persistent PostgreSQL connection</DIV ><DIV CLASS="refsect1" ><A NAME="AEN77684" ></A ><H2 >Description</H2 >resource <B CLASS="methodname" >pg_pconnect</B > ( string connection_string)<BR ></BR ><P > <B CLASS="function" >pg_pconnect()</B > opens a connection to a PostgreSQL database. It returns a connection resource that is needed by other PostgreSQL functions. </P ><P > For a description of the <TT CLASS="parameter" ><I >connection_string</I ></TT > parameter, see <A HREF="function.pg-connect.html" ><B CLASS="function" >pg_connect()</B ></A >. </P ><P > To enable persistent connection, the <A HREF="ref.pgsql.html#ini.pgsql.allow-persistent" >pgsql.allow_persistent</A > <TT CLASS="filename" >php.ini</TT > directive must be set to "On" (which is the default). The maximum number of persistent connection can be defined with the <A HREF="ref.pgsql.html#ini.pgsql.max-persistent" >pgsql.max_persistent</A > <TT CLASS="filename" >php.ini</TT > directive (defaults to -1 for no limit). The total number of connections can be set with the <A HREF="ref.pgsql.html#ini.pgsql.max-links" >pgsql.max_links</A > <TT CLASS="filename" >php.ini</TT > directive. </P ><P > <A HREF="function.pg-close.html" ><B CLASS="function" >pg_close()</B ></A > will not close persistent links generated by <B CLASS="function" >pg_pconnect()</B >. </P ><P > See also <A HREF="function.pg-connect.html" ><B CLASS="function" >pg_connect()</B ></A >, and the section <A HREF="features.persistent-connections.html" >Persistent Database Connections</A > for more information. </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.pg-options.html" ACCESSKEY="P" >Prev</A ></TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="index.html" ACCESSKEY="H" >Home</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" ><A HREF="function.pg-ping.html" ACCESSKEY="N" >Next</A ></TD ></TR ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" >pg_options</TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="ref.pgsql.html" ACCESSKEY="U" >Up</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" >pg_ping</TD ></TR ></TABLE ></DIV ></BODY ></HTML >