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<div id="syncsharedmemory.first" class="refentry">
 <div class="refnamediv">
  <h1 class="refname">SyncSharedMemory::first</h1>
  <p class="verinfo">(PECL sync &gt;= 1.1.0)</p><p class="refpurpose"><span class="refname">SyncSharedMemory::first</span> &mdash; <span class="dc-title">Check to see if the object is the first instance system-wide of named shared memory</span></p>

 </div>

 <div class="refsect1 description" id="refsect1-syncsharedmemory.first-description">
  <h3 class="title">Опис</h3>
  <div class="methodsynopsis dc-description">
   <span class="modifier">public</span> <span class="methodname"><strong>SyncSharedMemory::first</strong></span>(): <span class="type"><a href="language.types.boolean.php" class="type bool">bool</a></span></div>

  <p class="para rdfs-comment">
   Retrieves the system-wide first instance status of a <span class="classname"><a href="class.syncsharedmemory.php" class="classname">SyncSharedMemory</a></span> object.
  </p>
 </div>


 <div class="refsect1 parameters" id="refsect1-syncsharedmemory.first-parameters">
  <h3 class="title">Параметри</h3>
  <p class="para">У цієї функції немає
параметрів.</p>
 </div>


 <div class="refsect1 returnvalues" id="refsect1-syncsharedmemory.first-returnvalues">
  <h3 class="title">Значення, що повертаються</h3>
  <p class="para">
   Повертає <strong><code><a href="reserved.constants.php#constant.true">true</a></code></strong> у разі успіху або <strong><code><a href="reserved.constants.php#constant.false">false</a></code></strong> в разі помилки.
  </p>
 </div>


 <div class="refsect1 examples" id="refsect1-syncsharedmemory.first-examples">
  <h3 class="title">Приклади</h3>
  <div class="example" id="example-1">
   <p><strong>Приклад #1 <span class="function"><strong>SyncSharedMemory::first()</strong></span> example</strong></p>
   <div class="example-contents">
<div class="phpcode"><code><span style="color: #000000"><span style="color: #0000BB">&lt;?php<br />$mem </span><span style="color: #007700">= new </span><span style="color: #0000BB">SyncSharedMemory</span><span style="color: #007700">(</span><span style="color: #DD0000">"AppReportName"</span><span style="color: #007700">, </span><span style="color: #0000BB">1024</span><span style="color: #007700">);<br />if (</span><span style="color: #0000BB">$mem</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">first</span><span style="color: #007700">())<br />{<br />    </span><span style="color: #FF8000">// Do first time initialization work here.<br /></span><span style="color: #007700">}<br /><br /></span><span style="color: #0000BB">var_dump</span><span style="color: #007700">(</span><span style="color: #0000BB">$mem</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">first</span><span style="color: #007700">());<br /><br /></span><span style="color: #0000BB">$mem2 </span><span style="color: #007700">= new </span><span style="color: #0000BB">SyncSharedMemory</span><span style="color: #007700">(</span><span style="color: #DD0000">"AppReportName"</span><span style="color: #007700">, </span><span style="color: #0000BB">1024</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">var_dump</span><span style="color: #007700">(</span><span style="color: #0000BB">$mem2</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">first</span><span style="color: #007700">());<br /></span><span style="color: #0000BB">?&gt;</span></span></code></div>
   </div>

   <div class="example-contents"><p>Поданий вище приклад виведе щось
схоже на:</p></div>
   <div class="example-contents screen">
<div class="examplescode"><pre class="examplescode">bool(true)
bool(false)</pre>
</div>
   </div>
  </div>
 </div>


 <div class="refsect1 seealso" id="refsect1-syncsharedmemory.first-seealso">
  <h3 class="title">Прогляньте також</h3>
  <ul class="simplelist">
   <li><span class="methodname"><a href="syncsharedmemory.write.php" class="methodname" rel="rdfs-seeAlso">SyncSharedMemory::write()</a> - Copy data to named shared memory</span></li>
   <li><span class="methodname"><a href="syncsharedmemory.read.php" class="methodname" rel="rdfs-seeAlso">SyncSharedMemory::read()</a> - Copy data from named shared memory</span></li>
  </ul>
 </div>


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