<?php
include_once $_SERVER['DOCUMENT_ROOT'] . '/include/shared-manual.inc';
$TOC = array();
$TOC_DEPRECATED = array();
$PARENTS = array();
include_once dirname(__FILE__) ."/toc/class.memcached.inc";
$setup = array (
  'home' => 
  array (
    0 => 'index.php',
    1 => 'PHP Manual',
  ),
  'head' => 
  array (
    0 => 'UTF-8',
    1 => 'uk',
  ),
  'this' => 
  array (
    0 => 'memcached.getbykey.php',
    1 => 'Memcached::getByKey',
    2 => 'Retrieve an item from a specific server',
  ),
  'up' => 
  array (
    0 => 'class.memcached.php',
    1 => 'Memcached',
  ),
  'prev' => 
  array (
    0 => 'memcached.getallkeys.php',
    1 => 'Memcached::getAllKeys',
  ),
  'next' => 
  array (
    0 => 'memcached.getdelayed.php',
    1 => 'Memcached::getDelayed',
  ),
  'alternatives' => 
  array (
  ),
  'source' => 
  array (
    'lang' => 'en',
    'path' => 'reference/memcached/memcached/getbykey.xml',
  ),
  'history' => 
  array (
  ),
);
$setup["toc"] = $TOC;
$setup["toc_deprecated"] = $TOC_DEPRECATED;
$setup["parents"] = $PARENTS;
manual_setup($setup);

contributors($setup);

?>
<div id="memcached.getbykey" class="refentry">
 <div class="refnamediv">
  <h1 class="refname">Memcached::getByKey</h1>
  <p class="verinfo">(PECL memcached &gt;= 0.1.0)</p><p class="refpurpose"><span class="refname">Memcached::getByKey</span> &mdash; <span class="dc-title">Retrieve an item from a specific server</span></p>

 </div>

 <div class="refsect1 description" id="refsect1-memcached.getbykey-description">
  <h3 class="title">Опис</h3>
  <div class="methodsynopsis dc-description">
   <span class="modifier">public</span> <span class="methodname"><strong>Memcached::getByKey</strong></span>(<br>&nbsp;&nbsp;&nbsp;&nbsp;<span class="methodparam"><span class="type"><a href="language.types.string.php" class="type string">string</a></span> <code class="parameter">$server_key</code></span>,<br>&nbsp;&nbsp;&nbsp;&nbsp;<span class="methodparam"><span class="type"><a href="language.types.string.php" class="type string">string</a></span> <code class="parameter">$key</code></span>,<br>&nbsp;&nbsp;&nbsp;&nbsp;<span class="methodparam"><span class="type"><span class="type"><a href="language.types.null.php" class="type null">?</a></span><span class="type"><a href="language.types.callable.php" class="type callable">callable</a></span></span> <code class="parameter">$cache_cb</code><span class="initializer"> = <strong><code><a href="reserved.constants.php#constant.null">null</a></code></strong></span></span>,<br>&nbsp;&nbsp;&nbsp;&nbsp;<span class="methodparam"><span class="type"><a href="language.types.integer.php" class="type int">int</a></span> <code class="parameter">$get_flags</code><span class="initializer"> = 0</span></span><br>): <span class="type"><a href="language.types.mixed.php" class="type mixed">mixed</a></span></div>

  <p class="para rdfs-comment">
   <span class="function"><strong>Memcached::getByKey()</strong></span> is functionally equivalent to
   <span class="methodname"><a href="memcached.get.php" class="methodname">Memcached::get()</a></span>, except that the free-form
   <code class="parameter">server_key</code> can be used to map the
   <code class="parameter">key</code> to a specific server.
  </p>
 </div>


 <div class="refsect1 parameters" id="refsect1-memcached.getbykey-parameters">
  <h3 class="title">Параметри</h3>
  <p class="para">
   <dl>
    
     <dt><code class="parameter">server_key</code></dt>
     <dd>
      <p class="para">
       Ключ, що визначає сервер, на якому зберігатиметься значення або з якого його
можна отримати. Замість гешування ключа елемента, гешується ключ сервера, з яким
буде взаємодіяти memcached. Це дозволяє об&#039;єднувати пов&#039;язані елементи
на єдиному сервері для пришвидшення одночасних операцій.
      </p>
     </dd>
    
    
     <dt><code class="parameter">key</code></dt>
     <dd>
      <p class="para">
       The key of the item to fetch.
      </p>
     </dd>
    
    
     <dt><code class="parameter">cache_cb</code></dt>
     <dd>
      <p class="para">
       Read-through caching callback or <strong><code><a href="reserved.constants.php#constant.null">null</a></code></strong>
      </p>
     </dd>
    
    
     <dt><code class="parameter">get_flags</code></dt>
     <dd>
      <p class="para">
       Flags to control the returned result. When value of <strong><code><a href="memcached.constants.php#memcached.constants.get-extended">Memcached::GET_EXTENDED</a></code></strong>
       is given will return the CAS token.
      </p>
     </dd>
    
   </dl>
  </p>
 </div>


 <div class="refsect1 returnvalues" id="refsect1-memcached.getbykey-returnvalues">
  <h3 class="title">Значення, що повертаються</h3>
  <p class="para">
   Returns the value stored in the cache or <strong><code><a href="reserved.constants.php#constant.false">false</a></code></strong> otherwise.
   The <span class="methodname"><a href="memcached.getresultcode.php" class="methodname">Memcached::getResultCode()</a></span> will return
   <strong><code><a href="memcached.constants.php#memcached.constants.res-notfound">Memcached::RES_NOTFOUND</a></code></strong> if the key does not exist.
  </p>
 </div>


 <div class="refsect1 changelog" id="refsect1-memcached.getbykey-changelog">
  <h3 class="title">Журнал змін</h3>
  <table class="doctable informaltable">
   
    <thead>
     <tr>
      <th>Версія</th>
      <th>Опис</th>
     </tr>

    </thead>

    <tbody class="tbody">
     <tr>
      <td>PECL memcached 3.0.0</td>
      <td>
       The <code class="parameter reference">&cas_token</code> parameter was removed.
       Instead <code class="parameter">get_flags</code> was added and when it is given the value of <strong><code><a href="memcached.constants.php#memcached.constants.get-extended">Memcached::GET_EXTENDED</a></code></strong> it will ensure the CAS token to be fetched.
      </td>
     </tr>

    </tbody>
   
  </table>

 </div>


 <div class="refsect1 seealso" id="refsect1-memcached.getbykey-seealso">
  <h3 class="title">Прогляньте також</h3>
  <p class="para">
   <ul class="simplelist">
    <li><span class="methodname"><a href="memcached.get.php" class="methodname" rel="rdfs-seeAlso">Memcached::get()</a> - Retrieve an item</span></li>
    <li><span class="methodname"><a href="memcached.getmulti.php" class="methodname" rel="rdfs-seeAlso">Memcached::getMulti()</a> - Retrieve multiple items</span></li>
    <li><span class="methodname"><a href="memcached.getdelayed.php" class="methodname" rel="rdfs-seeAlso">Memcached::getDelayed()</a> - Request multiple items</span></li>
   </ul>
  </p>
 </div>


</div><?php manual_footer($setup); ?>