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<?xml version="1.0" encoding="iso-8859-1"?>
<!-- $Revision: 1.6 $ -->
<refentry id="function.oci-pconnect">
<refnamediv>
<refname>oci_pconnect</refname>
<refpurpose>Connect to an Oracle database using a persistent connection</refpurpose>
</refnamediv>
<refsect1>
<title>Description</title>
<methodsynopsis>
<type>resource</type><methodname>oci_pconnect</methodname>
<methodparam><type>string</type><parameter>username</parameter></methodparam>
<methodparam><type>string</type><parameter>password</parameter></methodparam>
<methodparam choice="opt"><type>string</type><parameter>db</parameter></methodparam>
<methodparam choice="opt"><type>string</type><parameter>charset</parameter></methodparam>
</methodsynopsis>
<para>
<function>oci_pconnect</function> creates a new persistent connection to
an Oracle server and logs on. The optional third parameter can either contain
the name of the local Oracle instance or the name of the entry in
<filename>tnsnames.ora</filename>. If the third parameter is not specified,
PHP uses environment variables <literal>ORACLE_SID</literal> and
<literal>TWO_TASK</literal> to determine the name of local Oracle
instance and location of <filename>tnsnames.ora</filename> accordingly.
</para>
&oci.charset;
<para>
<function>oci_pconnect</function> returns connection identifier or
&false; on error.
</para>
<note>
<para>
Note, that these kind of links only work if you are using
a module version of PHP. See the
<link linkend="features.persistent-connections">Persistent
Database Connections</link> section for more information.
</para>
</note>
<note>
<para>
In PHP versions before 5.0.0 you must use <function>ociplogon</function> instead.
This name still can be used, it was left as alias of
<function>oci_pconnect</function> for downwards compatability.
This, however, is deprecated and not recommended.
</para>
</note>
<para>
See also <function>oci_connect</function> and
<function>oci_new_connect</function>.
</para>
</refsect1>
</refentry>
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