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    2 => 'Возвращает опцию &quot;tagSets&quot; объекта ReadPreference',
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?>
<div id="mongodb-driver-readpreference.gettagsets" class="refentry">
 <div class="refnamediv">
  <h1 class="refname">MongoDB\Driver\ReadPreference::getTagSets</h1>
  <p class="verinfo">(mongodb &gt;=1.0.0)</p><p class="refpurpose"><span class="refname">MongoDB\Driver\ReadPreference::getTagSets</span> &mdash; <span class="dc-title">Возвращает опцию &quot;tagSets&quot; объекта ReadPreference</span></p>

 </div>

 <div class="refsect1 description" id="refsect1-mongodb-driver-readpreference.gettagsets-description">
  <h3 class="title">Описание</h3>
  <div class="methodsynopsis dc-description">
   <span class="modifier">final</span> <span class="modifier">public</span> <span class="methodname"><strong>MongoDB\Driver\ReadPreference::getTagSets</strong></span>(): <span class="type"><a href="language.types.array.php" class="type array">array</a></span></div>

 </div>


 <div class="refsect1 parameters" id="refsect1-mongodb-driver-readpreference.gettagsets-parameters">
  <h3 class="title">Список параметров</h3>
  
<p class="para">
 Сигнатура функции не содержит параметров.
</p>

 </div>


 <div class="refsect1 returnvalues" id="refsect1-mongodb-driver-readpreference.gettagsets-returnvalues">
  <h3 class="title">Возвращаемые значения</h3>
  <p class="para">
   Метод возвращает опцию &quot;tagSets&quot; объекта ReadPreference.
  </p>
 </div>


 <div class="refsect1 errors" id="refsect1-mongodb-driver-readpreference.gettagsets-errors">
  <h3 class="title">Ошибки</h3>
  <ul class="simplelist">
   <li>При ошибке парсинга аргумента метод выбрасывает исключение  <span class="classname"><a href="class.mongodb-driver-exception-invalidargumentexception.php" class="classname">MongoDB\Driver\Exception\InvalidArgumentException</a></span>.</li>
  </ul>
 </div>



 <div class="refsect1 examples" id="refsect1-mongodb-driver-readpreference.gettagsets-examples">
  <h3 class="title">Примеры</h3>
  <div class="example" id="example-1">
   <p><strong>Пример #1 Пример возврата опции методом <span class="function"><strong>MongoDB\Driver\ReadPreference::getTagSets()</strong></span></strong></p>
   <div class="example-contents">
<div class="phpcode"><code><span style="color: #000000"><span style="color: #0000BB">&lt;?php<br /><br />$mode </span><span style="color: #007700">= </span><span style="color: #0000BB">MongoDB\Driver\ReadPreference</span><span style="color: #007700">::</span><span style="color: #0000BB">SECONDARY_PREFERRED</span><span style="color: #007700">;<br /><br /></span><span style="color: #FF8000">/* Null и пустой массив говорят, что нет предпочтений в наборе тегов */<br /></span><span style="color: #0000BB">$rp </span><span style="color: #007700">= new </span><span style="color: #0000BB">MongoDB\Driver\ReadPreference</span><span style="color: #007700">(</span><span style="color: #0000BB">$mode</span><span style="color: #007700">, </span><span style="color: #0000BB">null</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">var_dump</span><span style="color: #007700">(</span><span style="color: #0000BB">$rp</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">getTagSets</span><span style="color: #007700">());<br /><br /></span><span style="color: #0000BB">$rp </span><span style="color: #007700">= new </span><span style="color: #0000BB">MongoDB\Driver\ReadPreference</span><span style="color: #007700">(</span><span style="color: #0000BB">$mode</span><span style="color: #007700">, []);<br /></span><span style="color: #0000BB">var_dump</span><span style="color: #007700">(</span><span style="color: #0000BB">$rp</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">getTagSets</span><span style="color: #007700">());<br /><br /></span><span style="color: #FF8000">/* Выбрать узел в Нью-Йорке, но вернуться к любому доступному резервному узлу */<br /></span><span style="color: #0000BB">$rp </span><span style="color: #007700">= new </span><span style="color: #0000BB">MongoDB\Driver\ReadPreference</span><span style="color: #007700">(</span><span style="color: #0000BB">$mode</span><span style="color: #007700">, [[</span><span style="color: #DD0000">'dc' </span><span style="color: #007700">=&gt; </span><span style="color: #DD0000">'ny'</span><span style="color: #007700">]]);<br /></span><span style="color: #0000BB">var_dump</span><span style="color: #007700">(</span><span style="color: #0000BB">$rp</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">getTagSets</span><span style="color: #007700">());<br /><br /></span><span style="color: #FF8000">/* Выбрать узел в Нью-Йорке, за которым следует узел в Сан-Франциско,<br />   который пометили для использования в отчётах, и, наконец, вернуться к любому доступному резервному узлу */<br /></span><span style="color: #0000BB">$rp </span><span style="color: #007700">= new </span><span style="color: #0000BB">MongoDB\Driver\ReadPreference</span><span style="color: #007700">(</span><span style="color: #0000BB">$mode</span><span style="color: #007700">, [<br />    [</span><span style="color: #DD0000">'dc' </span><span style="color: #007700">=&gt; </span><span style="color: #DD0000">'ny'</span><span style="color: #007700">],<br />    [</span><span style="color: #DD0000">'dc' </span><span style="color: #007700">=&gt; </span><span style="color: #DD0000">'sf'</span><span style="color: #007700">, </span><span style="color: #DD0000">'use' </span><span style="color: #007700">=&gt; </span><span style="color: #DD0000">'reporting'</span><span style="color: #007700">],<br />    [],<br />]);<br /></span><span style="color: #0000BB">var_dump</span><span style="color: #007700">(</span><span style="color: #0000BB">$rp</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">getTagSets</span><span style="color: #007700">());<br /><br /></span><span style="color: #0000BB">?&gt;</span></span></code></div>
   </div>

   
<div class="example-contents"><p>
 Результат выполнения приведённого примера:
</p></div>

   <div class="example-contents screen">
<div class="examplescode"><pre class="examplescode">array(0) {
}
array(0) {
}
array(2) {
  [0]=&gt;
  array(1) {
    [&quot;dc&quot;]=&gt;
    string(2) &quot;ny&quot;
  }
  [1]=&gt;
  array(0) {
  }
}
array(3) {
  [0]=&gt;
  array(1) {
    [&quot;dc&quot;]=&gt;
    string(2) &quot;ny&quot;
  }
  [1]=&gt;
  array(2) {
    [&quot;dc&quot;]=&gt;
    string(2) &quot;sf&quot;
    [&quot;use&quot;]=&gt;
    string(9) &quot;reporting&quot;
  }
  [2]=&gt;
  array(0) {
  }
}</pre>
</div>
   </div>
  </div>
 </div>



 <div class="refsect1 seealso" id="refsect1-mongodb-driver-readpreference.gettagsets-seealso">
  <h3 class="title">Смотрите также</h3>
  <ul class="simplelist">
   <li><a href="https://www.mongodb.com/docs/manual/core/read-preference/" class="link external">&raquo;&nbsp;Справочная информация по предпочтению чтения</a></li>
  </ul>
 </div>


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