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?>
<div id="function.stream-get-meta-data" class="refentry">
 <div class="refnamediv">
  <h1 class="refname">stream_get_meta_data</h1>
  <p class="verinfo">(PHP 4 &gt;= 4.3.0, PHP 5, PHP 7, PHP 8)</p><p class="refpurpose"><span class="refname">stream_get_meta_data</span> &mdash; <span class="dc-title">Lit les en-têtes et données méta des flux</span></p>

 </div>
 <div class="refsect1 description" id="refsect1-function.stream-get-meta-data-description">
  <h3 class="title">Description</h3>
  <div class="methodsynopsis dc-description">
   <span class="methodname"><strong>stream_get_meta_data</strong></span>(<span class="methodparam"><span class="type"><a href="language.types.resource.php" class="type resource">resource</a></span> <code class="parameter">$stream</code></span>): <span class="type"><a href="language.types.array.php" class="type array">array</a></span></div>

  <p class="para rdfs-comment">
   Retourne les informations disponibles sur le flux <code class="parameter">stream</code>. 
  </p>
 </div>


 <div class="refsect1 parameters" id="refsect1-function.stream-get-meta-data-parameters">
  <h3 class="title">Liste de paramètres</h3>
  <p class="para">
   <dl>
    
     <dt><code class="parameter">stream</code></dt>
     <dd>
      <p class="para">
       Le flux peut être n&#039;importe quel flux créé par les fonctions
       <span class="function"><a href="function.fopen.php" class="function">fopen()</a></span>, <span class="function"><a href="function.fsockopen.php" class="function">fsockopen()</a></span>,
       <span class="function"><a href="function.pfsockopen.php" class="function">pfsockopen()</a></span> et <span class="function"><a href="function.stream-socket-client.php" class="function">stream_socket_client()</a></span>.
      </p>
     </dd>
    
   </dl>
  </p>
 </div>


 <div class="refsect1 returnvalues" id="refsect1-function.stream-get-meta-data-returnvalues">
  <h3 class="title">Valeurs de retour</h3>
  <p class="para">
   Le tableau résultant peut contenir les éléments suivants :
  </p>
  <ul class="itemizedlist">
   <li class="listitem">
    <p class="para">
     <code class="literal">timed_out</code> (<a href="language.types.boolean.php" class="link">booléen</a>) : <strong><code><a href="reserved.constants.php#constant.true">true</a></code></strong> si le flux
     a atteint le délai d&#039;expiration en attendant des données
     durant le dernier appel aux fonctions <span class="function"><a href="function.fread.php" class="function">fread()</a></span>
     et <span class="function"><a href="function.fgets.php" class="function">fgets()</a></span>.
    </p>
   </li>
   <li class="listitem">
    <p class="para">
     <code class="literal">blocked</code> (<a href="language.types.boolean.php" class="link">booléen</a>) : <strong><code><a href="reserved.constants.php#constant.true">true</a></code></strong> si le flux est en
     mode bloquant. Voir aussi <span class="function"><a href="function.stream-set-blocking.php" class="function">stream_set_blocking()</a></span>.
    </p>
   </li>
   <li class="listitem">
    <p class="para">
     <code class="literal">eof</code> (<a href="language.types.boolean.php" class="link">booléen</a>) : <strong><code><a href="reserved.constants.php#constant.true">true</a></code></strong> si le flux a atteint la
     fin du fichier. Il est à noter que pour les sockets, cette valeur peut être
     <strong><code><a href="reserved.constants.php#constant.true">true</a></code></strong> même si <code class="literal">unread_bytes</code> est non nul. Pour
     déterminer s&#039;il reste des données à lire, utiliser plutôt la
     fonction <span class="function"><a href="function.feof.php" class="function">feof()</a></span>.
    </p>
   </li>
   <li class="listitem">
    <p class="para">
     <code class="literal">unread_bytes</code> (<a href="language.types.integer.php" class="link">entier</a>) : le nombre d&#039;octets
     actuellement placés dans le buffer interne à PHP.
    </p>
    <blockquote class="note"><p><strong class="note">Note</strong>: 
     <span class="simpara">
      Il ne faudrait pas utiliser cette valeur dans un script.
     </span>
    </p></blockquote>
   </li>
   <li class="listitem">
    <p class="para">
     <code class="literal">stream_type</code> (<a href="language.types.string.php" class="link">chaîne de caractères</a>) : un nom, qui
     décrit l&#039;implémentation sous-jacente de flux.
    </p>
   </li>
   <li class="listitem">
    <p class="para">
     <code class="literal">wrapper_type</code> (<a href="language.types.string.php" class="link">chaîne de caractères</a>) : un nom qui décrit
     le gestionnaire de protocole pour ce flux. Voir
     <a href="wrappers.php" class="xref">Liste des protocoles et des gestionnaires support&eacute;s</a> pour plus d&#039;informations sur les
     gestionnaires.
    </p>
   </li>
   <li class="listitem">
    <p class="para">
     <code class="literal">wrapper_data</code> (mixed) : des données spécifiques
     au gestionnaire liées à ce flux. Voir <a href="wrappers.php" class="xref">Liste des protocoles et des gestionnaires support&eacute;s</a> pour
     plus d&#039;informations sur les gestionnaires et leurs données.
    </p>
   </li>
   
   <li class="listitem">
    <p class="para">
     <code class="literal">mode</code> (<a href="language.types.string.php" class="link">chaîne de caractères</a>) : le type d&#039;accès requis pour ce flux
     ( voir le tableau 1 de la référence de la fonction <a href="function.fopen.php" class="link"><span class="function"><a href="function.fopen.php" class="function">fopen()</a></span></a>)
    </p>
   </li>
   <li class="listitem">
    <p class="para">
     <code class="literal">seekable</code> (<a href="language.types.boolean.php" class="link">booléen</a>) : si on peut rechercher dans
     le flux courant.
    </p>
   </li>
   <li class="listitem">
    <p class="para">
     <code class="literal">uri</code> (<a href="language.types.string.php" class="link">chaîne de caractères</a>) : l&#039;URI/nom de fichier associé à
     ce flux.
    </p>
   </li>
   <li class="listitem">
    <p class="para">
     <code class="literal">crypto</code> (<a href="language.types.array.php" class="link">tableau</a>) - les métadonnées de la connexion TLS
     pour ce flux. (Note: Seulement fourni quand la ressource de flux utilise TLS.)
    </p>
   </li>
  </ul>
 </div>


 <div class="refsect1 examples" id="refsect1-function.stream-get-meta-data-examples">
  <h3 class="title">Exemples</h3>
  <p class="para">
   <div class="example" id="example-1">
    <p><strong>Exemple #1 Exemple de <span class="function"><strong>stream_get_meta_data()</strong></span> utilisant <span class="function"><a href="function.fopen.php" class="function">fopen()</a></span> avec http</strong></p>
    <div class="example-contents">
<div class="phpcode"><code><span style="color: #000000"><span style="color: #0000BB">&lt;?php<br />$url </span><span style="color: #007700">= </span><span style="color: #DD0000">'http://www.example.com/'</span><span style="color: #007700">;<br /><br />if (!</span><span style="color: #0000BB">$fp </span><span style="color: #007700">= </span><span style="color: #0000BB">fopen</span><span style="color: #007700">(</span><span style="color: #0000BB">$url</span><span style="color: #007700">, </span><span style="color: #DD0000">'r'</span><span style="color: #007700">)) {<br />    </span><span style="color: #0000BB">trigger_error</span><span style="color: #007700">(</span><span style="color: #DD0000">"Unable to open URL (</span><span style="color: #0000BB">$url</span><span style="color: #DD0000">)"</span><span style="color: #007700">, </span><span style="color: #0000BB">E_USER_ERROR</span><span style="color: #007700">);<br />}<br /><br /></span><span style="color: #0000BB">$meta </span><span style="color: #007700">= </span><span style="color: #0000BB">stream_get_meta_data</span><span style="color: #007700">(</span><span style="color: #0000BB">$fp</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">var_dump</span><span style="color: #007700">(</span><span style="color: #0000BB">$meta</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">fclose</span><span style="color: #007700">(</span><span style="color: #0000BB">$fp</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">?&gt;</span></span></code></div>
    </div>

    <div class="example-contents"><p>Résultat de l&#039;exemple ci-dessus est similaire à :</p></div>
    <div class="example-contents screen">
<div class="examplescode"><pre class="examplescode">array(10) {
  &#039;timed_out&#039; =&gt;
  bool(false)
  &#039;blocked&#039; =&gt;
  bool(true)
  &#039;eof&#039; =&gt;
  bool(false)
  &#039;wrapper_data&#039; =&gt;
  array(13) {
    [0] =&gt;
    string(15) &quot;HTTP/1.1 200 OK&quot;
    [1] =&gt;
    string(11) &quot;Age: 244629&quot;
    [2] =&gt;
    string(29) &quot;Cache-Control: max-age=604800&quot;
    [3] =&gt;
    string(38) &quot;Content-Type: text/html; charset=UTF-8&quot;
    [4] =&gt;
    string(35) &quot;Date: Sat, 20 Nov 2021 18:17:57 GMT&quot;
    [5] =&gt;
    string(24) &quot;Etag: &quot;3147526947+ident&quot;&quot;
    [6] =&gt;
    string(38) &quot;Expires: Sat, 27 Nov 2021 18:17:57 GMT&quot;
    [7] =&gt;
    string(44) &quot;Last-Modified: Thu, 17 Oct 2019 07:18:26 GMT&quot;
    [8] =&gt;
    string(22) &quot;Server: ECS (chb/0286)&quot;
    [9] =&gt;
    string(21) &quot;Vary: Accept-Encoding&quot;
    [10] =&gt;
    string(12) &quot;X-Cache: HIT&quot;
    [11] =&gt;
    string(20) &quot;Content-Length: 1256&quot;
    [12] =&gt;
    string(17) &quot;Connection: close&quot;
  }
  &#039;wrapper_type&#039; =&gt;
  string(4) &quot;http&quot;
  &#039;stream_type&#039; =&gt;
  string(14) &quot;tcp_socket/ssl&quot;
  &#039;mode&#039; =&gt;
  string(1) &quot;r&quot;
  &#039;unread_bytes&#039; =&gt;
  int(1256)
  &#039;seekable&#039; =&gt;
  bool(false)
  &#039;uri&#039; =&gt;
  string(23) &quot;http://www.example.com/&quot;
}</pre>
</div>
    </div>
   </div>
   <div class="example" id="example-2">
    <p><strong>Exemple #2 Exemple de <span class="function"><strong>stream_get_meta_data()</strong></span> utilisant <span class="function"><a href="function.stream-socket-client.php" class="function">stream_socket_client()</a></span> avec https</strong></p>
    <div class="example-contents">
     <div class="phpcode"><code><span style="color: #000000"><span style="color: #0000BB">&lt;?php<br />$streamContext </span><span style="color: #007700">= </span><span style="color: #0000BB">stream_context_create</span><span style="color: #007700">(<br />    [<br />        </span><span style="color: #DD0000">'ssl' </span><span style="color: #007700">=&gt; [<br />            </span><span style="color: #DD0000">'capture_peer_cert' </span><span style="color: #007700">=&gt; </span><span style="color: #0000BB">true</span><span style="color: #007700">,<br />            </span><span style="color: #DD0000">'capture_peer_cert_chain' </span><span style="color: #007700">=&gt; </span><span style="color: #0000BB">true</span><span style="color: #007700">,<br />            </span><span style="color: #DD0000">'disable_compression' </span><span style="color: #007700">=&gt; </span><span style="color: #0000BB">true</span><span style="color: #007700">,<br />        ],<br />    ]<br />);<br /><br /></span><span style="color: #0000BB">$client </span><span style="color: #007700">= </span><span style="color: #0000BB">stream_socket_client</span><span style="color: #007700">(<br />    </span><span style="color: #DD0000">'ssl://www.example.com:443'</span><span style="color: #007700">,<br />    </span><span style="color: #0000BB">$errorNumber</span><span style="color: #007700">,<br />    </span><span style="color: #0000BB">$errorDescription</span><span style="color: #007700">,<br />    </span><span style="color: #0000BB">40</span><span style="color: #007700">,<br />    </span><span style="color: #0000BB">STREAM_CLIENT_CONNECT</span><span style="color: #007700">,<br />    </span><span style="color: #0000BB">$streamContext<br /></span><span style="color: #007700">);<br /><br /><br /></span><span style="color: #0000BB">$meta </span><span style="color: #007700">= </span><span style="color: #0000BB">stream_get_meta_data</span><span style="color: #007700">(</span><span style="color: #0000BB">$client</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">var_dump</span><span style="color: #007700">(</span><span style="color: #0000BB">$meta</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">?&gt;</span></span></code></div>
    </div>

    <div class="example-contents"><p>Résultat de l&#039;exemple ci-dessus est similaire à :</p></div>
    <div class="example-contents screen">
<div class="examplescode"><pre class="examplescode">array(8) {
  &#039;crypto&#039; =&gt;
  array(4) {
    &#039;protocol&#039; =&gt;
    string(7) &quot;TLSv1.3&quot;
    &#039;cipher_name&#039; =&gt;
    string(22) &quot;TLS_AES_256_GCM_SHA384&quot;
    &#039;cipher_bits&#039; =&gt;
    int(256)
    &#039;cipher_version&#039; =&gt;
    string(7) &quot;TLSv1.3&quot;
  }
  &#039;timed_out&#039; =&gt;
  bool(false)
  &#039;blocked&#039; =&gt;
  bool(true)
  &#039;eof&#039; =&gt;
  bool(false)
  &#039;stream_type&#039; =&gt;
  string(14) &quot;tcp_socket/ssl&quot;
  &#039;mode&#039; =&gt;
  string(2) &quot;r+&quot;
  &#039;unread_bytes&#039; =&gt;
  int(0)
  &#039;seekable&#039; =&gt;
  bool(false)
}</pre>
</div>
    </div>
   </div>
  </p>
 </div>


 <div class="refsect1 notes" id="refsect1-function.stream-get-meta-data-notes">
  <h3 class="title">Notes</h3>
  <blockquote class="note"><p><strong class="note">Note</strong>: 
   <p class="para">
    Cette fonction ne fonctionne pas sur les sockets créées avec 
    <a href="ref.sockets.php" class="link">l&#039;extension socket</a>.
   </p>
  </p></blockquote>
 </div>


 <div class="refsect1 seealso" id="refsect1-function.stream-get-meta-data-seealso">
  <h3 class="title">Voir aussi</h3>
  <p class="para">
   <ul class="simplelist">
    <li><span class="function"><a href="function.get-headers.php" class="function" rel="rdfs-seeAlso">get_headers()</a> - Retourne tous les en-t&ecirc;tes envoy&eacute;s par le serveur en r&eacute;ponse &agrave; une requ&ecirc;te HTTP</span></li>
    <li><a href="reserved.variables.httpresponseheader.php" class="link">$http_response_header</a></li>
   </ul>
  </p>
 </div>


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