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<div id="ds-sequence.contains" class="refentry">
 <div class="refnamediv">
  <h1 class="refname">Ds\Sequence::contains</h1>
  <p class="verinfo">(PECL ds &gt;= 1.0.0)</p><p class="refpurpose"><span class="refname">Ds\Sequence::contains</span> &mdash; <span class="dc-title">Determines if the sequence contains given values</span></p>

 </div>

 <div class="refsect1 description" id="refsect1-ds-sequence.contains-description">
  <h3 class="title">说明</h3>
  <div class="methodsynopsis dc-description">
   <span class="modifier">abstract</span> <span class="modifier">public</span> <span class="methodname"><strong>Ds\Sequence::contains</strong></span>(<span class="methodparam"><span class="type"><a href="language.types.mixed.php" class="type mixed">mixed</a></span> <code class="parameter">...$values</code></span>): <span class="type"><a href="language.types.boolean.php" class="type bool">bool</a></span></div>

  <p class="para rdfs-comment">
    Determines if the sequence contains all values.
  </p>
 </div>


 <div class="refsect1 parameters" id="refsect1-ds-sequence.contains-parameters">
  <h3 class="title">参数</h3>
  <dl>
   
    <dt><code class="parameter">values</code></dt>
    <dd>
     <p class="para">
        Values to check.
     </p>
    </dd>
   
  </dl>
 </div>


 <div class="refsect1 returnvalues" id="refsect1-ds-sequence.contains-returnvalues">
  <h3 class="title">返回值</h3>
  <p class="para">
    <strong><code><a href="reserved.constants.php#constant.false">false</a></code></strong> if any of the provided <code class="parameter">values</code> are not in the
    sequence, <strong><code><a href="reserved.constants.php#constant.true">true</a></code></strong> otherwise.
  </p>
 </div>


 <div class="refsect1 examples" id="refsect1-ds-sequence.contains-examples">
  <h3 class="title">示例</h3>
  <div class="example" id="example-4230">
   <p><strong>示例 #1 <span class="function"><strong>Ds\Sequence::contains()</strong></span> example</strong></p>
   <div class="example-contents">
<div class="phpcode"><code><span style="color: #000000"><span style="color: #0000BB">&lt;?php<br />$sequence </span><span style="color: #007700">= new </span><span style="color: #0000BB">\Ds\Vector</span><span style="color: #007700">([</span><span style="color: #DD0000">'a'</span><span style="color: #007700">, </span><span style="color: #DD0000">'b'</span><span style="color: #007700">, </span><span style="color: #DD0000">'c'</span><span style="color: #007700">, </span><span style="color: #0000BB">1</span><span style="color: #007700">, </span><span style="color: #0000BB">2</span><span style="color: #007700">, </span><span style="color: #0000BB">3</span><span style="color: #007700">]);<br /><br /></span><span style="color: #0000BB">var_dump</span><span style="color: #007700">(</span><span style="color: #0000BB">$sequence</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">contains</span><span style="color: #007700">(</span><span style="color: #DD0000">'a'</span><span style="color: #007700">));                </span><span style="color: #FF8000">// true<br /></span><span style="color: #0000BB">var_dump</span><span style="color: #007700">(</span><span style="color: #0000BB">$sequence</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">contains</span><span style="color: #007700">(</span><span style="color: #DD0000">'a'</span><span style="color: #007700">, </span><span style="color: #DD0000">'b'</span><span style="color: #007700">));           </span><span style="color: #FF8000">// true<br /></span><span style="color: #0000BB">var_dump</span><span style="color: #007700">(</span><span style="color: #0000BB">$sequence</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">contains</span><span style="color: #007700">(</span><span style="color: #DD0000">'c'</span><span style="color: #007700">, </span><span style="color: #DD0000">'d'</span><span style="color: #007700">));           </span><span style="color: #FF8000">// false<br /><br /></span><span style="color: #0000BB">var_dump</span><span style="color: #007700">(</span><span style="color: #0000BB">$sequence</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">contains</span><span style="color: #007700">(...[</span><span style="color: #DD0000">'c'</span><span style="color: #007700">, </span><span style="color: #DD0000">'b'</span><span style="color: #007700">, </span><span style="color: #DD0000">'a'</span><span style="color: #007700">])); </span><span style="color: #FF8000">// true<br /><br />// Always strict<br /></span><span style="color: #0000BB">var_dump</span><span style="color: #007700">(</span><span style="color: #0000BB">$sequence</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">contains</span><span style="color: #007700">(</span><span style="color: #0000BB">1</span><span style="color: #007700">));                  </span><span style="color: #FF8000">// true<br /></span><span style="color: #0000BB">var_dump</span><span style="color: #007700">(</span><span style="color: #0000BB">$sequence</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">contains</span><span style="color: #007700">(</span><span style="color: #DD0000">'1'</span><span style="color: #007700">));                </span><span style="color: #FF8000">// false<br /><br /></span><span style="color: #0000BB">var_dump</span><span style="color: #007700">(</span><span style="color: #0000BB">$sequece</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">contains</span><span style="color: #007700">(...[]));               </span><span style="color: #FF8000">// true<br /></span><span style="color: #0000BB">?&gt;</span></span></code></div>
   </div>

   <div class="example-contents"><p>以上示例的输出类似于：</p></div>
   <div class="example-contents screen">
<div class="examplescode"><pre class="examplescode">bool(true)
bool(true)
bool(false)
bool(true)
bool(true)
bool(false)
bool(true)</pre>
</div>
   </div>
  </div>
 </div>



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