php-doc-en/reference/pgsql/functions/pg-update.xml
2003-12-15 16:55:22 +00:00

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<?xml version="1.0" encoding="iso-8859-1"?>
<!-- $Revision: 1.10 $ -->
<!-- splitted from ./en/functions/pgsql.xml, last change in rev 1.80 -->
<refentry id='function.pg-update'>
<refnamediv>
<refname>pg_update</refname>
<refpurpose>
Update table.
</refpurpose>
</refnamediv>
<refsect1>
<title>Description</title>
<methodsynopsis>
<type>mixed</type><methodname>pg_update</methodname>
<methodparam><type>resource</type><parameter>connection</parameter></methodparam>
<methodparam><type>string</type><parameter>table_name</parameter></methodparam>
<methodparam><type>array</type><parameter>data</parameter></methodparam>
<methodparam><type>array</type><parameter>condition</parameter></methodparam>
<methodparam choice="opt"><type>int</type><parameter>options</parameter></methodparam>
</methodsynopsis>
<para>
<function>pg_update</function> updates records that matches
<literal>condition</literal> with <literal>data</literal>. If
<literal>options</literal> is specified,
<function>pg_convert</function> is applied to
<literal>data</literal> with specified options.
</para>
<para>
<example>
<title><function>pg_update</function> example</title>
<programlisting role="php">
<![CDATA[
<?php
$db = pg_connect('dbname=foo');
$data = array('field1'=>'AA', 'field2'=>'BB');
// This is safe, since $_POST is converted automatically
$res = pg_update($db, 'post_log', $_POST, $data);
if ($res) {
echo "Data is updated: $res\n";
} else {
echo "User must have sent wrong inputs\n";
}
?>
]]>
</programlisting>
</example>
</para>
&warn.experimental.func;
<para>
See also <function>pg_convert</function>.
</para>
</refsect1>
</refentry>
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