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archived-doc-en/reference/fdf/functions/fdf-set-value.xml

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<?xml version="1.0" encoding="utf-8"?>
<!-- $Revision$ -->
<refentry xmlns="http://docbook.org/ns/docbook" xml:id="function.fdf-set-value">
<refnamediv>
<refname>fdf_set_value</refname>
<refpurpose>Set the value of a field</refpurpose>
</refnamediv>
<refsect1 role="description">
&reftitle.description;
<methodsynopsis>
<type>bool</type><methodname>fdf_set_value</methodname>
<methodparam><type>resource</type><parameter>fdf_document</parameter></methodparam>
<methodparam><type>string</type><parameter>fieldname</parameter></methodparam>
<methodparam><type>mixed</type><parameter>value</parameter></methodparam>
<methodparam choice="opt"><type>int</type><parameter>isName</parameter></methodparam>
</methodsynopsis>
<simpara>
Sets the <parameter>value</parameter> for the given field.
</simpara>
</refsect1>
<refsect1 role="parameters">
&reftitle.parameters;
<variablelist>
<varlistentry>
<term><parameter>fdf_document</parameter></term>
<listitem>
<simpara>
The FDF document handle, returned by <function>fdf_create</function>,
<function>fdf_open</function> or <function>fdf_open_string</function>.
</simpara>
</listitem>
</varlistentry>
<varlistentry>
<term><parameter>fieldname</parameter></term>
<listitem>
<simpara>
Name of the FDF field, as a string.
</simpara>
</listitem>
</varlistentry>
<varlistentry>
<term><parameter>value</parameter></term>
<listitem>
<simpara>
This parameter will be stored as a string unless it is an array. In
this case all array elements will be stored as a value array.
</simpara>
</listitem>
</varlistentry>
<varlistentry>
<term><parameter>isName</parameter></term>
<listitem>
<note>
<simpara>
In older versions of the FDF toolkit last parameter determined if the
field value was to be converted to a PDF Name (= 1) or set to a PDF
String (= 0).
</simpara>
<simpara>
The value is no longer used in the current toolkit version 5.0. For
compatibility reasons it is still supported as an optional parameter,
but ignored internally.
</simpara>
</note>
</listitem>
</varlistentry>
</variablelist>
</refsect1>
<refsect1 role="returnvalues">
&reftitle.returnvalues;
<simpara>
&return.success;
</simpara>
</refsect1>
<refsect1 role="seealso">
&reftitle.seealso;
<simplelist>
<member><function>fdf_get_value</function></member>
<member><function>fdf_remove_item</function></member>
</simplelist>
</refsect1>
</refentry>
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