php-doc-en/reference/pgsql/functions/pg-client-encoding.xml

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<?xml version="1.0" encoding="utf-8"?>
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<!-- splitted from ./en/functions/pgsql.xml, last change in rev 1.16 -->
<refentry xml:id="function.pg-client-encoding" xmlns="http://docbook.org/ns/docbook">
<refnamediv>
<refname>pg_client_encoding</refname>
<refpurpose>
Gets the client encoding
</refpurpose>
</refnamediv>
<refsect1 role="description">
&reftitle.description;
<methodsynopsis>
<type>string</type><methodname>pg_client_encoding</methodname>
<methodparam choice="opt"><type class="union"><type>resource</type><type>null</type></type><parameter>connection</parameter><initializer>&null;</initializer></methodparam>
</methodsynopsis>
<para>
PostgreSQL supports automatic character set conversion between
server and client for certain character sets.
<function>pg_client_encoding</function> returns the client
encoding as a string. The returned string will be one of the
standard PostgreSQL encoding identifiers.
</para>
<note>
<para>
This function requires PHP 4.0.3 or higher and PostgreSQL 7.0 or
higher. If libpq is compiled without multibyte encoding support,
<function>pg_client_encoding</function> always returns
<literal>SQL_ASCII</literal>. Supported encoding depends on PostgreSQL
version. Refer to the PostgreSQL Documentation supported encodings.
</para>
<para>
The function used to be called <function>pg_clientencoding</function>.
</para>
</note>
</refsect1>
<refsect1 role="parameters">
&reftitle.parameters;
<para>
<variablelist>
<varlistentry>
<term><parameter>connection</parameter></term>
<listitem>
&pgsql.parameter.connection-with-nullable-default;
</listitem>
</varlistentry>
</variablelist>
</para>
</refsect1>
<refsect1 role="returnvalues">
&reftitle.returnvalues;
<para>
The client encoding.
</para>
</refsect1>
<refsect1 role="changelog">
&reftitle.changelog;
<informaltable>
<tgroup cols="2">
<thead>
<row>
<entry>&Version;</entry>
<entry>&Description;</entry>
</row>
</thead>
<tbody>
<row>
<entry>8.0.0</entry>
<entry>
<parameter>connection</parameter> is now nullable.
</entry>
</row>
</tbody>
</tgroup>
</informaltable>
</refsect1>
<refsect1 role="examples">
&reftitle.examples;
<para>
<example>
<title><function>pg_client_encoding</function> example</title>
<programlisting role="php">
<![CDATA[
<?php
// Assume $conn is a connection to a ISO-8859-1 database
$encoding = pg_client_encoding($conn);
echo "Client encoding is: ", $encoding, "\n";
?>
]]>
</programlisting>
&example.outputs;
<screen>
<![CDATA[
Client encoding is: ISO-8859-1
]]>
</screen>
</example>
</para>
</refsect1>
<refsect1 role="seealso">
&reftitle.seealso;
<para>
<simplelist>
<member><function>pg_set_client_encoding</function></member>
</simplelist>
</para>
</refsect1>
</refentry>
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