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?>
<div id="zlib.constants" class="appendix">
 <h1 class="title">Constantes pré-définies</h1>

 <p class="simpara">Ces constantes sont définies par cette
extension, et ne sont disponibles que si cette extension a été compilée avec
PHP, ou bien chargée au moment de l&#039;exécution.</p>
 <dl>
  
   <dt id="constant.force-gzip">
    <strong><code><a href="zlib.constants.php#constant.force-gzip">FORCE_GZIP</a></code></strong>
    (<span class="type"><a href="language.types.integer.php" class="type int">int</a></span>)
   </dt>
   <dd>
    <span class="simpara">

    </span>
   </dd>
  
  
   <dt id="constant.force-deflate">
    <strong><code><a href="zlib.constants.php#constant.force-deflate">FORCE_DEFLATE</a></code></strong>
    (<span class="type"><a href="language.types.integer.php" class="type int">int</a></span>)
   </dt>
   <dd>
    <span class="simpara">

    </span>
   </dd>
  
  
   <dt id="constant.zlib-encoding-raw">
    <strong><code><a href="zlib.constants.php#constant.zlib-encoding-raw">ZLIB_ENCODING_RAW</a></code></strong>
    (<span class="type"><a href="language.types.integer.php" class="type int">int</a></span>)
   </dt>
   <dd>
    <span class="simpara">
     Algorithme DEFLATE tel que décrit dans la RFC 1951.
    </span>
   </dd>
  
  
   <dt id="constant.zlib-encoding-deflate">
    <strong><code><a href="zlib.constants.php#constant.zlib-encoding-deflate">ZLIB_ENCODING_DEFLATE</a></code></strong>
    (<span class="type"><a href="language.types.integer.php" class="type int">int</a></span>)
   </dt>
   <dd>
    <span class="simpara">
     Algorithme de compression ZLIB tel que décrit dans la RFC 1950.
    </span>
   </dd>
  
  
   <dt id="constant.zlib-encoding-gzip">
    <strong><code><a href="zlib.constants.php#constant.zlib-encoding-gzip">ZLIB_ENCODING_GZIP</a></code></strong>
    (<span class="type"><a href="language.types.integer.php" class="type int">int</a></span>)
   </dt>
   <dd>
    <span class="simpara">
     Algorithme GZIP tel que décrit par la RFC 1952.
    </span>
   </dd>
  
  
   <dt id="constant.zlib-filtered">
    <strong><code><a href="zlib.constants.php#constant.zlib-filtered">ZLIB_FILTERED</a></code></strong>
    (<span class="type"><a href="language.types.integer.php" class="type int">int</a></span>)
   </dt>
   <dd>
    <span class="simpara">
    </span>
   </dd>
  
  
   <dt id="constant.zlib-huffman-only">
    <strong><code><a href="zlib.constants.php#constant.zlib-huffman-only">ZLIB_HUFFMAN_ONLY</a></code></strong>
    (<span class="type"><a href="language.types.integer.php" class="type int">int</a></span>)
   </dt>
   <dd>
    <span class="simpara">
    </span>
   </dd>
  
  
   <dt id="constant.zlib-fixed">
    <strong><code><a href="zlib.constants.php#constant.zlib-fixed">ZLIB_FIXED</a></code></strong>
    (<span class="type"><a href="language.types.integer.php" class="type int">int</a></span>)
   </dt>
   <dd>
    <span class="simpara">
    </span>
   </dd>
  
  
   <dt id="constant.zlib-rle">
    <strong><code><a href="zlib.constants.php#constant.zlib-rle">ZLIB_RLE</a></code></strong>
    (<span class="type"><a href="language.types.integer.php" class="type int">int</a></span>)
   </dt>
   <dd>
    <span class="simpara">
    </span>
   </dd>
  
  
   <dt id="constant.zlib-default-strategy">
    <strong><code><a href="zlib.constants.php#constant.zlib-default-strategy">ZLIB_DEFAULT_STRATEGY</a></code></strong>
    (<span class="type"><a href="language.types.integer.php" class="type int">int</a></span>)
   </dt>
   <dd>
    <span class="simpara">
    </span>
   </dd>
  
  
   <dt id="constant.zlib-block">
    <strong><code><a href="zlib.constants.php#constant.zlib-block">ZLIB_BLOCK</a></code></strong>
    (<span class="type"><a href="language.types.integer.php" class="type int">int</a></span>)
   </dt>
   <dd>
    <span class="simpara">
    </span>
   </dd>
  
  
   <dt id="constant.zlib-no-flush">
    <strong><code><a href="zlib.constants.php#constant.zlib-no-flush">ZLIB_NO_FLUSH</a></code></strong>
    (<span class="type"><a href="language.types.integer.php" class="type int">int</a></span>)
   </dt>
   <dd>
    <span class="simpara">
    </span>
   </dd>
  
  
   <dt id="constant.zlib-partial-flush">
    <strong><code><a href="zlib.constants.php#constant.zlib-partial-flush">ZLIB_PARTIAL_FLUSH</a></code></strong>
    (<span class="type"><a href="language.types.integer.php" class="type int">int</a></span>)
   </dt>
   <dd>
    <span class="simpara">
    </span>
   </dd>
  
  
   <dt id="constant.zlib-sync-flush">
    <strong><code><a href="zlib.constants.php#constant.zlib-sync-flush">ZLIB_SYNC_FLUSH</a></code></strong>
    (<span class="type"><a href="language.types.integer.php" class="type int">int</a></span>)
   </dt>
   <dd>
    <span class="simpara">
    </span>
   </dd>
  
  
   <dt id="constant.zlib-full-flush">
    <strong><code><a href="zlib.constants.php#constant.zlib-full-flush">ZLIB_FULL_FLUSH</a></code></strong>
    (<span class="type"><a href="language.types.integer.php" class="type int">int</a></span>)
   </dt>
   <dd>
    <span class="simpara">
    </span>
   </dd>
  
  
   <dt id="constant.zlib-finish">
    <strong><code><a href="zlib.constants.php#constant.zlib-finish">ZLIB_FINISH</a></code></strong>
    (<span class="type"><a href="language.types.integer.php" class="type int">int</a></span>)
   </dt>
   <dd>
    <span class="simpara">
    </span>
   </dd>
  
  
   <dt id="constant.zlib-version">
    <strong><code><a href="zlib.constants.php#constant.zlib-version">ZLIB_VERSION</a></code></strong>
    (<span class="type"><a href="language.types.string.php" class="type string">string</a></span>)
   </dt>
   <dd>
    <span class="simpara">
     Numéro de version de <code class="literal">zlib</code> en tant que <span class="type"><a href="language.types.string.php" class="type string">string</a></span>.
    </span>
   </dd>
  
  
   <dt id="constant.zlib-vernum">
    <strong><code><a href="zlib.constants.php#constant.zlib-vernum">ZLIB_VERNUM</a></code></strong>
    (<span class="type"><a href="language.types.integer.php" class="type int">int</a></span>)
   </dt>
   <dd>
    <span class="simpara">
     Numéro de version de <code class="literal">zlib</code> en tant que <span class="type"><a href="language.types.integer.php" class="type int">int</a></span>.
    </span>
   </dd>
  
  
   <dt id="constant.zlib-ok">
    <strong><code><a href="zlib.constants.php#constant.zlib-ok">ZLIB_OK</a></code></strong>
    (<span class="type"><a href="language.types.integer.php" class="type int">int</a></span>)
   </dt>
   <dd>
    <span class="simpara">
     Pas d&#039;erreurs ou d&#039;informations supplémentaires.
    </span>
   </dd>
  
  
   <dt id="constant.zlib-stream-end">
    <strong><code><a href="zlib.constants.php#constant.zlib-stream-end">ZLIB_STREAM_END</a></code></strong>
    (<span class="type"><a href="language.types.integer.php" class="type int">int</a></span>)
   </dt>
   <dd>
    <span class="simpara">
     Le flux s&#039;est terminé avec succès.
    </span>
   </dd>
  
  
   <dt id="constant.zlib-need-dict">
    <strong><code><a href="zlib.constants.php#constant.zlib-need-dict">ZLIB_NEED_DICT</a></code></strong>
    (<span class="type"><a href="language.types.integer.php" class="type int">int</a></span>)
   </dt>
   <dd>
    <span class="simpara">
     Un dictionnaire prédéfini est nécessaire.
    </span>
   </dd>
  
  
   <dt id="constant.zlib-errno">
    <strong><code><a href="zlib.constants.php#constant.zlib-errno">ZLIB_ERRNO</a></code></strong>
    (<span class="type"><a href="language.types.integer.php" class="type int">int</a></span>)
   </dt>
   <dd>
    <span class="simpara">
     Erreur d&#039;opération de fichier.
    </span>
   </dd>
  
  
   <dt id="constant.zlib-stream-error">
    <strong><code><a href="zlib.constants.php#constant.zlib-stream-error">ZLIB_STREAM_ERROR</a></code></strong>
    (<span class="type"><a href="language.types.integer.php" class="type int">int</a></span>)
   </dt>
   <dd>
    <span class="simpara">
     L&#039;état du flux est incohérent ou un paramètre est invalide.
    </span>
   </dd>
  
  
   <dt id="constant.zlib-data-error">
    <strong><code><a href="zlib.constants.php#constant.zlib-data-error">ZLIB_DATA_ERROR</a></code></strong>
    (<span class="type"><a href="language.types.integer.php" class="type int">int</a></span>)
   </dt>
   <dd>
    <span class="simpara">
     Les données d&#039;entrée sont corrompues.
    </span>
   </dd>
  
  
   <dt id="constant.zlib-mem-error">
    <strong><code><a href="zlib.constants.php#constant.zlib-mem-error">ZLIB_MEM_ERROR</a></code></strong>
    (<span class="type"><a href="language.types.integer.php" class="type int">int</a></span>)
   </dt>
   <dd>
    <span class="simpara">
     Mémoire insuffisante.
    </span>
   </dd>
  
  
   <dt id="constant.zlib-buf-error">
    <strong><code><a href="zlib.constants.php#constant.zlib-buf-error">ZLIB_BUF_ERROR</a></code></strong>
    (<span class="type"><a href="language.types.integer.php" class="type int">int</a></span>)
   </dt>
   <dd>
    <span class="simpara">
     Aucun progrès n&#039;est possible en raison d&#039;un espace tampon insuffisant ou d&#039;une fin inattendue d&#039;un flux d&#039;entrée.
    </span>
   </dd>
  
  
   <dt id="constant.zlib-version-error">
    <strong><code><a href="zlib.constants.php#constant.zlib-version-error">ZLIB_VERSION_ERROR</a></code></strong>
    (<span class="type"><a href="language.types.integer.php" class="type int">int</a></span>)
   </dt>
   <dd>
    <span class="simpara">
     La version de la bibliothèque <code class="literal">zlib</code> est incompatible avec la version supposée par l&#039;appelant.
    </span>
   </dd>
  
 </dl>
</div>
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