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<refentry xml:id="function.imap-fetchstructure" xmlns="http://docbook.org/ns/docbook">
 <refnamediv>
  <refname>imap_fetchstructure</refname>
  <refpurpose>Read the structure of a particular message</refpurpose>
 </refnamediv>
 <refsect1 role="description">
  &reftitle.description;
  <methodsynopsis>
   <type>object</type><methodname>imap_fetchstructure</methodname>
   <methodparam><type>resource</type><parameter>imap_stream</parameter></methodparam>
   <methodparam><type>int</type><parameter>msg_number</parameter></methodparam>
   <methodparam choice="opt"><type>int</type><parameter>options</parameter><initializer>0</initializer></methodparam>
  </methodsynopsis>
  <para>
   Fetches all the structured information for a given message. 
  </para>
 </refsect1>
 <refsect1 role="parameters">
  &reftitle.parameters;
  <para>
   <variablelist>
    &imap.imap-stream.description;
    <varlistentry>
     <term><parameter>msg_number</parameter></term>
     <listitem>
      <para>
       The message number
      </para>
     </listitem>
    </varlistentry>
    <varlistentry>
     <term><parameter>options</parameter></term>
     <listitem>
      <para>
       This optional parameter only has a single option, 
       <constant>FT_UID</constant>, which tells the function to treat the
       <parameter>msg_number</parameter> argument as a 
       <literal>UID</literal>.
      </para>
     </listitem>
    </varlistentry>
   </variablelist>
  </para>
 </refsect1>
 <refsect1 role="returnvalues">
  &reftitle.returnvalues;
  <para>
   Returns an object includes the envelope, internal date, size, flags and
   body structure along with a similar object for each mime attachment. The
   structure of the returned objects is as follows:
  </para>
  <para>
   <table>
    <title>
     Returned Objects for <function>imap_fetchstructure</function>
    </title>
    <tgroup cols="2">
     <tbody>
      <row>
       <entry>type</entry>
       <entry>Primary body type</entry>
      </row>
      <row>
       <entry>encoding</entry>
       <entry>Body transfer encoding</entry>
      </row>
      <row>
       <entry>ifsubtype</entry>
       <entry>&true; if there is a subtype string</entry>
      </row>
      <row>
       <entry>subtype</entry>
       <entry><acronym>MIME</acronym> subtype</entry>
      </row>
      <row>
       <entry>ifdescription</entry>
       <entry>&true; if there is a description string</entry>
      </row>
      <row>
       <entry>description</entry>
       <entry>Content description string</entry>
      </row>
      <row>
       <entry>ifid</entry>
       <entry>&true; if there is an identification string</entry>
      </row>
      <row>
       <entry>id</entry>
       <entry>Identification string</entry>
      </row>
      <row>
       <entry>lines</entry>
       <entry>Number of lines</entry>
      </row>
      <row>
       <entry>bytes</entry>
       <entry>Number of bytes</entry>
      </row>
      <row>
       <entry>ifdisposition</entry>
       <entry>&true; if there is a disposition string</entry>
      </row>
      <row>
       <entry>disposition</entry>
       <entry>Disposition string</entry>
      </row>
      <row>
       <entry>ifdparameters</entry>
       <entry>&true; if the <varname>dparameters</varname> array exists</entry>
      </row>
      <row>
       <entry>dparameters</entry>
       <entry>An array of objects where each object has an
        <literal>"attribute"</literal> and a <literal>"value"</literal>
        property corresponding to the parameters on the
        <literal>Content-disposition</literal> <acronym>MIME</acronym>
        header.</entry>
      </row>
      <row>
       <entry>ifparameters</entry>
       <entry>&true; if the parameters array exists</entry>
      </row>
      <row>
       <entry>parameters</entry>
       <entry>An array of objects where each object has an
        <literal>"attribute"</literal> and a <literal>"value"</literal>
        property.</entry>
      </row>
      <row>
       <entry>parts</entry>
       <entry>An array of objects identical in structure to the top-level
       object, each of which corresponds to a <acronym>MIME</acronym> body
       part.</entry>
      </row>
     </tbody>
    </tgroup>
   </table>
  </para>
  <para>
   <table>
     <title>Primary body type (may vary with used library)</title>
     <tgroup cols="2">
      <tbody>
      <row><entry>0</entry><entry>text</entry></row>
      <row><entry>1</entry><entry>multipart</entry></row>
      <row><entry>2</entry><entry>message</entry></row>
      <row><entry>3</entry><entry>application</entry></row>
      <row><entry>4</entry><entry>audio</entry></row>
      <row><entry>5</entry><entry>image</entry></row>
      <row><entry>6</entry><entry>video</entry></row>
      <row><entry>7</entry><entry>other</entry></row>
      </tbody>
     </tgroup>
   </table>
  </para>
  <para>
   <table>
     <title>Transfer encodings (may vary with used library)</title>
     <tgroup cols="2">
      <tbody>
      <row><entry>0</entry><entry>7BIT</entry></row>
      <row><entry>1</entry><entry>8BIT</entry></row>
      <row><entry>2</entry><entry>BINARY</entry></row>
      <row><entry>3</entry><entry>BASE64</entry></row>
      <row><entry>4</entry><entry>QUOTED-PRINTABLE</entry></row>
      <row><entry>5</entry><entry>OTHER</entry></row>
     </tbody>
    </tgroup>
   </table>
  </para>
 </refsect1>
 <refsect1 role="seealso">
  &reftitle.seealso;
  <para>
   <simplelist>
    <member><function>imap_fetchbody</function></member>
    <member><function>imap_bodystruct</function></member>
   </simplelist>
  </para>
 </refsect1>
</refentry>

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