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?>
<div id="function.mysql-client-encoding" class="refentry">
 <div class="refnamediv">
  <h1 class="refname">mysql_client_encoding</h1>
  <p class="verinfo">(PHP 4 &gt;= 4.3.0, PHP 5)</p><p class="refpurpose"><span class="refname">mysql_client_encoding</span> &mdash; <span class="dc-title">返回字符集的名称</span></p>

 </div>

 <div id="function.mysql-client-encoding-refsynopsisdiv">
  <div class="warning"><strong class="warning">警告</strong>
   <p class="para">本扩展自 PHP 5.5.0
起已废弃，并在自 PHP 7.0.0 开始被移除。应使用 <a href="book.mysqli.php" class="link">MySQLi</a>
或 <a href="ref.pdo-mysql.php" class="link">PDO_MySQL</a> 扩展来替换之。参见 <a href="mysqlinfo.api.choosing.php" class="link">MySQL：选择 API</a> 
指南来获取更多信息。用以替代本函数的有：</p>
   <ul class="simplelist">
    <li><span class="function"><a href="mysqli.character-set-name.php" class="function">mysqli_character_set_name()</a></span></li>
   </ul>
  </div>
 </div>

 <div class="refsect1 description" id="refsect1-function.mysql-client-encoding-description">
  <h3 class="title">说明</h3>
  <div class="methodsynopsis dc-description">
   <span class="methodname"><strong>mysql_client_encoding</strong></span>(<span class="methodparam"><span class="type"><a href="language.types.resource.php" class="type resource">resource</a></span> <code class="parameter">$link_identifier</code><span class="initializer"> = ?</span></span>): <span class="type"><a href="language.types.string.php" class="type string">string</a></span></div>

  <p class="simpara">
   从 MySQL 中取得 <code class="literal">character_set</code> 变量的值。
  </p>
 </div>


 <div class="refsect1 parameters" id="refsect1-function.mysql-client-encoding-parameters">
  <h3 class="title">参数</h3>
  <dl>
   <dt>
<code class="parameter">link_identifier</code></dt><dd><p class="para">MySQL
连接。如不指定连接标识，则使用由 <span class="function"><a href="function.mysql-connect.php" class="function">mysql_connect()</a></span>
最近打开的连接。如果没有找到该连接，会尝试不带参数调用
<span class="function"><a href="function.mysql-connect.php" class="function">mysql_connect()</a></span>
来创建。如没有找到连接或无法建立连接，则会生成
<strong><code><a href="errorfunc.constants.php#constant.e-warning">E_WARNING</a></code></strong> 级别的错误。</p></dd>

  </dl>
 </div>


 <div class="refsect1 returnvalues" id="refsect1-function.mysql-client-encoding-returnvalues">
  <h3 class="title">返回值</h3>
  <p class="simpara">
   返回当前连接的默认字符集名称。
  </p>
 </div>


 <div class="refsect1 examples" id="refsect1-function.mysql-client-encoding-examples">
  <h3 class="title">示例</h3>
  <div class="example" id="example-1">
   <p><strong>示例 #1 <span class="function"><strong>mysql_client_encoding()</strong></span> 示例</strong></p>
   <div class="example-contents">
<div class="phpcode"><code><span style="color: #000000"><span style="color: #0000BB">&lt;?php<br />$link    </span><span style="color: #007700">= </span><span style="color: #0000BB">mysql_connect</span><span style="color: #007700">(</span><span style="color: #DD0000">'localhost'</span><span style="color: #007700">, </span><span style="color: #DD0000">'mysql_user'</span><span style="color: #007700">, </span><span style="color: #DD0000">'mysql_password'</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$charset </span><span style="color: #007700">= </span><span style="color: #0000BB">mysql_client_encoding</span><span style="color: #007700">(</span><span style="color: #0000BB">$link</span><span style="color: #007700">);<br /><br />echo </span><span style="color: #DD0000">"The current character set is: </span><span style="color: #0000BB">$charset</span><span style="color: #DD0000">\n"</span><span style="color: #007700">;<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">The current character set is: latin1</pre>
</div>
   </div>
  </div>
 </div>


 <div class="refsect1 seealso" id="refsect1-function.mysql-client-encoding-seealso">
  <h3 class="title">参见</h3>
  <ul class="simplelist">
   <li><span class="function"><a href="function.mysql-real-escape-string.php" class="function" rel="rdfs-seeAlso">mysql_real_escape_string()</a> - 将字符串中的特殊字符进行转义，以在 SQL 语句中使用</span></li>
  </ul>
 </div>

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