gzdeflate.xml

<?xml version="1.0" encoding="utf-8"?>
<!-- EN-Revision: 02ba67b51f2bde571b6ce07026e935f4e81019af Maintainer: pastore Status: ready -->
<!-- CREDITS: cucinato -->
<refentry xml:id="function.gzdeflate" xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">
 <refnamediv>
  <refname>gzdeflate</refname>
  <refpurpose>Comprime una stringa</refpurpose>
 </refnamediv>
 <refsect1 role="description">
  &reftitle.description;
  <methodsynopsis>
   <type class="union"><type>string</type><type>false</type></type><methodname>gzdeflate</methodname>
   <methodparam><type>string</type><parameter>data</parameter></methodparam>
   <methodparam choice="opt"><type>int</type><parameter>level</parameter><initializer>-1</initializer></methodparam>
   <methodparam choice="opt"><type>int</type><parameter>encoding</parameter><initializer><constant>ZLIB_ENCODING_RAW</constant></initializer></methodparam>
  </methodsynopsis>
  <para>
   Questa funzione comprime la stringa data utilizzando il formato dati
   <literal>DEFLATE</literal>.
  </para>
  <para>
   Per i dettagli sull'algoritmo di compressione DEFLATE, vedere il documento
   "<link xlink:href="&url.rfc;1951">DEFLATE Compressed Data Format
   Specification version 1.3</link>" (RFC 1951).
  </para>
 </refsect1>
 <refsect1 role="parameters">
  &reftitle.parameters;
  <para>
   <variablelist>
    <varlistentry>
     <term><parameter>data</parameter></term>
     <listitem>
      <para>
       I dati da comprimere.
      </para>
     </listitem>
    </varlistentry>
    <varlistentry>
     <term><parameter>level</parameter></term>
     <listitem>
      <para>
       Il livello di compressione. Varia tra 0 per nessuna compressione fino a 9
       per la compressione massima. Se non viene specificato, il livello di compressione di default
       sarà quello di default della libreria zlib.
      </para>
     </listitem>
    </varlistentry>
    <varlistentry>
     <term><parameter>encoding</parameter></term>
     <listitem>
      <para>
       Una delle costanti <constant>ZLIB_ENCODING_*</constant>.
      </para>
     </listitem>
    </varlistentry>
   </variablelist>
  </para>
 </refsect1>
 <refsect1 role="returnvalues">
  &reftitle.returnvalues;
  <para>
   La stringa compressa o &false; in caso di errore.
  </para>
 </refsect1>
 <refsect1 role="examples">
  &reftitle.examples;
  <para>
   <example>
    <title>Esempio di <function>gzdeflate</function></title>
    <programlisting role="php">
<![CDATA[
<?php
$compressed = gzdeflate('Comprimimi', 9);
echo $compressed;
?>
]]>
    </programlisting>
   </example>
  </para>
 </refsect1>

 <refsect1 role="seealso">
  &reftitle.seealso;
  <para>
   <simplelist>
    <member><function>gzinflate</function></member>
    <member><function>gzcompress</function></member>
    <member><function>gzuncompress</function></member>
    <member><function>gzencode</function></member>
   </simplelist>
  </para>
 </refsect1>
</refentry>
<!-- Keep this comment at the end of the file
Local variables:
mode: sgml
sgml-omittag:t
sgml-shorttag:t
sgml-minimize-attributes:nil
sgml-always-quote-attributes:t
sgml-indent-step:1
sgml-indent-data:t
indent-tabs-mode:nil
sgml-parent-document:nil
sgml-default-dtd-file:"~/.phpdoc/manual.ced"
sgml-exposed-tags:nil
sgml-local-catalogs:nil
sgml-local-ecat-files:nil
End:
vim600: syn=xml fen fdm=syntax fdl=2 si
vim: et tw=78 syn=sgml
vi: ts=1 sw=1
-->