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<refentry xml:id="function.fdf-get-value" xmlns="http://docbook.org/ns/docbook">
 <refnamediv>
  <refname>fdf_get_value</refname>
  <refpurpose>Get the value of a field</refpurpose>
 </refnamediv>
 
 <refsect1 role="description">
  &reftitle.description;
  <methodsynopsis>
   <type>mixed</type><methodname>fdf_get_value</methodname>
   <methodparam><type>resource</type><parameter>fdf_document</parameter></methodparam>
   <methodparam><type>string</type><parameter>fieldname</parameter></methodparam>
   <methodparam choice="opt"><type>int</type><parameter>which</parameter><initializer>-1</initializer></methodparam>
  </methodsynopsis>
  <para>
   Gets the value for the requested field.
  </para>
 </refsect1>

 <refsect1 role="parameters">
  &reftitle.parameters;
  <para>
   <variablelist>
    <varlistentry>
     <term><parameter>fdf_document</parameter></term>
     <listitem>
      <para>
       The FDF document handle, returned by <function>fdf_create</function>,
       <function>fdf_open</function> or <function>fdf_open_string</function>.
      </para>
     </listitem>
    </varlistentry>
    <varlistentry>
     <term><parameter>fieldname</parameter></term>
     <listitem>
      <para>
       Name of the FDF field, as a string.
      </para>
     </listitem>
    </varlistentry>
    <varlistentry>
     <term><parameter>which</parameter></term>
     <listitem>
      <para>
       Elements of an array field can be retrieved by passing this optional
       parameter, starting at zero. For non-array fields, this parameter will
       be ignored.
      </para>
     </listitem>
    </varlistentry>
   </variablelist>
  </para>
 </refsect1>

 <refsect1 role="returnvalues">
  &reftitle.returnvalues;
  <para>
   Returns the field value.
  </para>
 </refsect1>

 <refsect1 role="changelog">
  &reftitle.changelog;
  <para>
   <informaltable>
    <tgroup cols="2">
     <thead>
      <row>
       <entry>&Version;</entry>
       <entry>&Description;</entry>
      </row>
     </thead>
     <tbody>
      <row>
       <entry>4.3.0</entry>
       <entry>
        Support for arrays and the <parameter>which</parameter> parameter
        were added.
       </entry>
      </row>
     </tbody>
    </tgroup>
   </informaltable>
  </para>
 </refsect1>

 <refsect1 role="seealso">
  &reftitle.seealso;
  <para>
   <simplelist>
    <member><function>fdf_set_value</function></member>
   </simplelist>
  </para>
 </refsect1>

</refentry>

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