php-doc-en/reference/dbase/functions/dbase-replace-record.xml
2016-10-28 10:53:32 +00:00

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<?xml version="1.0" encoding="utf-8"?>
<!-- $Revision$ -->
<refentry xml:id="function.dbase-replace-record" xmlns="http://docbook.org/ns/docbook">
<refnamediv>
<refname>dbase_replace_record</refname>
<refpurpose>Replaces a record in a database</refpurpose>
</refnamediv>
<refsect1 role="description">
&reftitle.description;
<methodsynopsis>
<type>bool</type><methodname>dbase_replace_record</methodname>
<methodparam><type>resource</type><parameter>dbase_identifier</parameter></methodparam>
<methodparam><type>array</type><parameter>record</parameter></methodparam>
<methodparam><type>int</type><parameter>record_number</parameter></methodparam>
</methodsynopsis>
<para>
Replaces the given record in the database with the given data.
</para>
</refsect1>
<refsect1 role="parameters">
&reftitle.parameters;
<para>
<variablelist>
<varlistentry>
<term><parameter>dbase_identifier</parameter></term>
<listitem>
<para>
The database link identifier, returned by <function>dbase_open</function>
or <function>dbase_create</function>.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><parameter>record</parameter></term>
<listitem>
<para>
An indexed array of data. The number of items must be equal to the
number of fields in the database, otherwise
<function>dbase_replace_record</function> will fail.
</para>
<note>
<para>
If you're using <function>dbase_get_record</function> return value for this
parameter, remember to reset the key named <literal>deleted</literal>.
</para>
</note>
</listitem>
</varlistentry>
<varlistentry>
<term><parameter>record_number</parameter></term>
<listitem>
<para>
An integer which spans from 1 to the number of records in the database
(as returned by <function>dbase_numrecords</function>).
</para>
</listitem>
</varlistentry>
</variablelist>
</para>
</refsect1>
<refsect1 role="returnvalues">
&reftitle.returnvalues;
<para>
&return.success;
</para>
</refsect1>
<refsect1 role="changelog">
&reftitle.changelog;
<informaltable>
<tgroup cols="2">
<thead>
<row>
<entry>&Version;</entry>
<entry>&Description;</entry>
</row>
</thead>
<tbody>
<row>
<entry>dbase 7.0.0</entry>
<entry>
<parameter>dbase_identifier</parameter> is now a <type>resource</type>
instead of an <type>int</type>.
</entry>
</row>
</tbody>
</tgroup>
</informaltable>
</refsect1>
<refsect1 role="examples">
&reftitle.examples;
<para>
<example>
<title>Updating a record in the database</title>
<programlisting role="php">
<![CDATA[
<?php
// open in read-write mode
$db = dbase_open('/tmp/test.dbf', 2);
if ($db) {
// gets the old row
$row = dbase_get_record_with_names($db, 1);
// remove the 'deleted' entry
unset($row['deleted']);
// Update the date field with the current timestamp
$row['date'] = date('Ymd');
// convert the row to an indexed array
$row = array_values($row);
// Replace the record
dbase_replace_record($db, $row, 1);
dbase_close($db);
}
?>
]]>
</programlisting>
</example>
</para>
</refsect1>
<refsect1 role="notes"><!-- {{{ -->
&reftitle.notes;
<note>
<para>
Boolean fields result in an <type>integer</type> element value
(<literal>0</literal> or <literal>1</literal>) when retrieved via
<function>dbase_get_record</function> or
<function>dbase_get_record_with_names</function>. If they are written back,
this results in the value becoming <literal>0</literal>, so care has to be
taken to properly adjust the values.
</para>
</note>
</refsect1><!-- }}} -->
<refsect1 role="seealso">
&reftitle.seealso;
<para>
<simplelist>
<member><function>dbase_add_record</function></member>
<member><function>dbase_delete_record</function></member>
</simplelist>
</para>
</refsect1>
</refentry>
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