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<?xml version="1.0" encoding="utf-8"?>
<!-- $Revision: 330762 $ -->
<refentry xml:id="function.cubrid-pconnect" xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">
<refnamediv>
<refname>cubrid_pconnect</refname>
<refpurpose>Open a persistent connection to a CUBRID server</refpurpose>
</refnamediv>
<refsect1 role="description">
&reftitle.description;
<methodsynopsis>
<type>resource</type><methodname>cubrid_pconnect</methodname>
<methodparam><type>string</type><parameter>host</parameter></methodparam>
<methodparam><type>int</type><parameter>port</parameter></methodparam>
<methodparam><type>string</type><parameter>dbname</parameter></methodparam>
<methodparam choice="opt"><type>string</type><parameter>userid</parameter></methodparam>
<methodparam choice="opt"><type>string</type><parameter>passwd</parameter></methodparam>
</methodsynopsis>
<para>
Establishes a persistent connection to a CUBRID server.
</para>
<para>
<function>cubrid_pconnect</function> acts very much like
<function>cubrid_connect</function> with two major differences.
</para>
<para>
First, when connecting, the function would first try to find a (persistent)
link that's already open with the same host, port, dbname and userid. If
one is found, an identifier for it will be returned instead of opening a
new connection.
</para>
<para>
Second, the connection to the SQL server will not be closed when the
execution of the script ends. Instead, the link will remain open for
future use (<function>cubrid_close</function> or
<function>cubrid_disconnect</function> will not close links established by
<function>cubrid_pconnect</function>).
</para>
<para>
This type of link is therefore called 'persistent'.
</para>
</refsect1>
<refsect1 role="parameters">
&reftitle.parameters;
<para>
<variablelist>
<varlistentry>
<term><parameter>host</parameter></term>
<listitem><para>Host name or IP address of CUBRID CAS server.</para></listitem>
</varlistentry>
<varlistentry>
<term><parameter>port</parameter></term>
<listitem><para>Port number of CUBRID CAS server (BROKER_PORT configured in $CUBRID/conf/cubrid_broker.conf).</para></listitem>
</varlistentry>
<varlistentry>
<term><parameter>dbname</parameter></term>
<listitem><para>Name of database.</para></listitem>
</varlistentry>
<varlistentry>
<term><parameter>userid</parameter></term>
<listitem><para>User name for the database.</para></listitem>
</varlistentry>
<varlistentry>
<term><parameter>passwd</parameter></term>
<listitem><para>User password.</para></listitem>
</varlistentry>
</variablelist>
</para>
</refsect1>
<refsect1 role="returnvalues">
&reftitle.returnvalues;
<para>
Connection identifier, when process is successful.
</para>
<para>
&false;, when process is unsuccessful.
</para>
</refsect1>
<refsect1 role="examples">
&reftitle.examples;
<example>
<title><function>cubrid_connect</function> example</title>
<programlisting role="php">
<![CDATA[
<?php
printf("%-30s %s\n", "CUBRID PHP Version:", cubrid_version());
printf("\n");
$conn = cubrid_pconnect("localhost", 33000, "demodb", "dba");
if (!$conn) {
die('Connect Error ('. cubrid_error_code() .')' . cubrid_error_msg());
}
$db_params = cubrid_get_db_parameter($conn);
while (list($param_name, $param_value) = each($db_params)) {
printf("%-30s %s\n", $param_name, $param_value);
}
printf("\n");
$server_info = cubrid_get_server_info($conn);
$client_info = cubrid_get_client_info();
printf("%-30s %s\n", "Server Info:", $server_info);
printf("%-30s %s\n", "Client Info:", $client_info);
printf("\n");
$charset = cubrid_get_charset($conn);
printf("%-30s %s\n", "CUBRID Charset:", $charset);
cubrid_disconnect($conn);
?>
]]>
</programlisting>
&example.outputs;
<screen>
<![CDATA[
CUBRID PHP Version: 9.1.0.0001
PARAM_ISOLATION_LEVEL 3
LOCK_TIMEOUT -1
MAX_STRING_LENGTH 1073741823
PARAM_AUTO_COMMIT 1
Server Info: 9.1.0.0212
Client Info: 9.1.0
CUBRID Charset: iso8859-1
]]>
</screen>
</example>
</refsect1>
<refsect1 role="seealso">
&reftitle.seealso;
<para>
<simplelist>
<member><function>cubrid_connect</function></member>
<member><function>cubrid_connect_with_url</function></member>
<member><function>cubrid_pconnect_with_url</function></member>
<member><function>cubrid_disconnect</function></member>
<member><function>cubrid_close</function></member>
</simplelist>
</para>
</refsect1>
</refentry>
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