<HTML ><HEAD ><TITLE >pg_lo_open</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_lo_import" HREF="function.pg-lo-import.html"><LINK REL="NEXT" TITLE="pg_lo_read_all" HREF="function.pg-lo-read-all.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-lo-import.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-lo-read-all.html" ACCESSKEY="N" >Next</A ></TD ></TR ></TABLE ><HR ALIGN="LEFT" WIDTH="100%"></DIV ><H1 ><A NAME="function.pg-lo-open" ></A >pg_lo_open</H1 ><DIV CLASS="refnamediv" ><A NAME="AEN77421" ></A ><P > (PHP 4 >= 4.2.0)</P >pg_lo_open -- Open a large object</DIV ><DIV CLASS="refsect1" ><A NAME="AEN77424" ></A ><H2 >Description</H2 >resource <B CLASS="methodname" >pg_lo_open</B > ( resource connection, int oid, string mode)<BR ></BR ><P > <B CLASS="function" >pg_lo_open()</B > opens a Large Object and returns large object resource. The resource encapsulates information about the connection. <TT CLASS="parameter" ><I >oid</I ></TT > specifies a valid large object oid and <TT CLASS="parameter" ><I >mode</I ></TT > can be either "r", "w", or "rw". It returns <TT CLASS="constant" ><B >FALSE</B ></TT > if there is an error. </P ><DIV CLASS="warning" ><P ></P ><TABLE CLASS="warning" BORDER="1" WIDTH="100%" ><TR ><TD ALIGN="CENTER" ><B >Warning</B ></TD ></TR ><TR ><TD ALIGN="LEFT" ><P > Do not close the database connection before closing the large object resource. </P ></TD ></TR ></TABLE ></DIV ><P > To use the large object (lo) interface, it is necessary to enclose it within a transaction block. </P ><DIV CLASS="note" ><BLOCKQUOTE CLASS="note" ><P ><B >Note: </B > This function used to be called <TT CLASS="literal" >pg_loopen()</TT >. </P ></BLOCKQUOTE ></DIV ><P > See also <A HREF="function.pg-lo-close.html" ><B CLASS="function" >pg_lo_close()</B ></A > and <A HREF="function.pg-lo-create.html" ><B CLASS="function" >pg_lo_create()</B ></A >. </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-lo-import.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-lo-read-all.html" ACCESSKEY="N" >Next</A ></TD ></TR ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" >pg_lo_import</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_lo_read_all</TD ></TR ></TABLE ></DIV ></BODY ></HTML >