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php-manual-en-5.5.7-1.mga4.noarch.rpm

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  <title>Retrieve item from the server</title>

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  <h1 class="refname">Memcache::get</h1>
  <p class="verinfo">(PECL memcache &gt;= 0.2.0)</p><p class="refpurpose"><span class="refname">Memcache::get</span> &mdash; <span class="dc-title">Retrieve item from the server</span></p>

 </div>

 <div class="refsect1 description" id="refsect1-memcache.get-description">
  <h3 class="title">Description</h3>
  <div class="methodsynopsis dc-description">
   <span class="type">string</span> <span class="methodname"><strong>Memcache::get</strong></span>
    ( <span class="methodparam"><span class="type">string</span> <code class="parameter">$key</code></span>
   [, <span class="methodparam"><span class="type">int</span> <code class="parameter reference">&$flags</code></span>
  ] )</div>

  <div class="methodsynopsis dc-description">
   <span class="type">array</span> <span class="methodname"><strong>Memcache::get</strong></span>
    ( <span class="methodparam"><span class="type">array</span> <code class="parameter">$keys</code></span>
   [, <span class="methodparam"><span class="type">array</span> <code class="parameter reference">&$flags</code></span>
  ] )</div>

  
  <p class="para rdfs-comment">
    <span class="function"><strong>Memcache::get()</strong></span> returns previously stored data if
   an item with such <em><code class="parameter">key</code></em> exists on the server at this
   moment.
  </p>

  <p class="para">
   You can pass array of keys to  <span class="function"><strong>Memcache::get()</strong></span> to get
   array of values. The result array will contain only found key-value pairs.
  </p>
  
 </div>

  
 <div class="refsect1 parameters" id="refsect1-memcache.get-parameters">
  <h3 class="title">Parameters</h3>
  <p class="para">
   <dl>

    <dt>

     <span class="term"><em><code class="parameter">key</code></em></span>
     <dd>

      <p class="para">
       The key or array of keys to fetch.
      </p>
     </dd>

    </dt>

    <dt>

     <span class="term"><em><code class="parameter">flags</code></em></span>
     <dd>

      <p class="para">
       If present, flags fetched along with the values will be written to this parameter. These
       flags are the same as the ones given to for example  <span class="function"><a href="memcache.set.html" class="function">Memcache::set()</a></span>.
       The lowest byte of the int is reserved for pecl/memcache internal usage (e.g. to indicate
       compression and serialization status).
      </p>
     </dd>

    </dt>

   </dl>

  </p>
 </div>


 <div class="refsect1 returnvalues" id="refsect1-memcache.get-returnvalues">
  <h3 class="title">Return Values</h3>
  <p class="para">
   Returns the string associated with the <em><code class="parameter">key</code></em> or
   an array of found key-value pairs when <em><code class="parameter">key</code></em> is an <span class="type"><a href="language.types.array.html" class="type array">array</a></span>.
   Returns <strong><code>FALSE</code></strong> on failure, <em><code class="parameter">key</code></em> is not found or
   <em><code class="parameter">key</code></em> is an empty <span class="type"><a href="language.types.array.html" class="type array">array</a></span>.
  </p>
 </div>


 <div class="refsect1 examples" id="refsect1-memcache.get-examples">
  <h3 class="title">Examples</h3>
  <p class="para">
   <div class="example" id="example-4415">
    <p><strong>Example #1  <span class="function"><strong>Memcache::get()</strong></span> example</strong></p>
    <div class="example-contents">
<div class="phpcode"><code><span style="color: #000000">
<span style="color: #0000BB">&lt;?php<br /><br /></span><span style="color: #FF8000">/*&nbsp;procedural&nbsp;API&nbsp;*/<br /></span><span style="color: #0000BB">$memcache_obj&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #0000BB">memcache_connect</span><span style="color: #007700">(</span><span style="color: #DD0000">'memcache_host'</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">11211</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$var&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #0000BB">memcache_get</span><span style="color: #007700">(</span><span style="color: #0000BB">$memcache_obj</span><span style="color: #007700">,&nbsp;</span><span style="color: #DD0000">'some_key'</span><span style="color: #007700">);<br /><br /></span><span style="color: #FF8000">/*&nbsp;OO&nbsp;API&nbsp;*/<br /></span><span style="color: #0000BB">$memcache_obj&nbsp;</span><span style="color: #007700">=&nbsp;new&nbsp;</span><span style="color: #0000BB">Memcache</span><span style="color: #007700">;<br /></span><span style="color: #0000BB">$memcache_obj</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">connect</span><span style="color: #007700">(</span><span style="color: #DD0000">'memcache_host'</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">11211</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$var&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #0000BB">$memcache_obj</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">get</span><span style="color: #007700">(</span><span style="color: #DD0000">'some_key'</span><span style="color: #007700">);<br /><br /></span><span style="color: #FF8000">/*&nbsp;<br />You&nbsp;also&nbsp;can&nbsp;use&nbsp;array&nbsp;of&nbsp;keys&nbsp;as&nbsp;a&nbsp;parameter.<br />If&nbsp;such&nbsp;item&nbsp;wasn't&nbsp;found&nbsp;at&nbsp;the&nbsp;server,&nbsp;the&nbsp;result<br />array&nbsp;simply&nbsp;will&nbsp;not&nbsp;include&nbsp;such&nbsp;key.<br />*/<br /><br />/*&nbsp;procedural&nbsp;API&nbsp;*/<br /></span><span style="color: #0000BB">$memcache_obj&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #0000BB">memcache_connect</span><span style="color: #007700">(</span><span style="color: #DD0000">'memcache_host'</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">11211</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$var&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #0000BB">memcache_get</span><span style="color: #007700">(</span><span style="color: #0000BB">$memcache_obj</span><span style="color: #007700">,&nbsp;Array(</span><span style="color: #DD0000">'some_key'</span><span style="color: #007700">,&nbsp;</span><span style="color: #DD0000">'another_key'</span><span style="color: #007700">));<br /><br /></span><span style="color: #FF8000">/*&nbsp;OO&nbsp;API&nbsp;*/<br /></span><span style="color: #0000BB">$memcache_obj&nbsp;</span><span style="color: #007700">=&nbsp;new&nbsp;</span><span style="color: #0000BB">Memcache</span><span style="color: #007700">;<br /></span><span style="color: #0000BB">$memcache_obj</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">connect</span><span style="color: #007700">(</span><span style="color: #DD0000">'memcache_host'</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">11211</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$var&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #0000BB">$memcache_obj</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">get</span><span style="color: #007700">(Array(</span><span style="color: #DD0000">'some_key'</span><span style="color: #007700">,&nbsp;</span><span style="color: #DD0000">'second_key'</span><span style="color: #007700">));<br /><br /></span><span style="color: #0000BB">?&gt;</span>
</span>
</code></div>
    </div>

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