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?>
<div id="ref.pdo-oci" class="reference">
  
  <h1 class="title">Oracle PDO Driver (PDO_OCI)</h1>
  
  <div class="partintro">

   

<div class="section" id="ref.pdo-oci.installation">
 <h2 class="title">安装</h2>
 <p class="para">
  If the Oracle Database is on the same machine as PHP, the database
  software already contains the necessary libraries.  When PHP is on
  a different machine, use the free
  <a href="https://www.oracle.com/database/technologies/instant-client.html" class="link external">&raquo;&nbsp;Oracle Instant Client</a> libraries.
  For details refer to the <a href="oci8.requirements.php" class="link">OCI8 Requirements</a> section.
 </p>

 <div class="section" id="pdo-oci.installation.php84">
  <h2 class="title">PHP 8.4</h2>
  <p class="para">
   此扩展已被移至 <a href="https://pecl.php.net/" class="link external">&raquo;&nbsp;PECL</a> 资源库；不再与 PHP 捆绑，从 PHP 8.4.0
  </p>
  <p class="para">
   安装此 PECL 扩展相关的信息可在手册中标题为
<a href="install.pecl.php" class="link">PECL
扩展的安装</a>章节中找到。更多信息如新的发行版本、下载、源文件、
维护人员信息及变更日志等，都在此处：
   <a href="https://pecl.php.net/package/PDO_OCI" class="link external">&raquo;&nbsp;https://pecl.php.net/package/PDO_OCI</a>.
  </p>
 </div>

 <div class="section" id="pdo-oci.installation.phplt84">
  <h2 class="title">PHP &lt; 8.4</h2>
  <p class="para">
   Use <strong class="option configure">--with-pdo-oci[=DIR]</strong> to install
   the PDO Oracle OCI extension, where the optional <code class="literal">[=DIR]</code>
   is the Oracle Home directory. <code class="literal">[=DIR]</code> defaults to
   the <var class="varname">$ORACLE_HOME</var> environment variable.
  </p>
  <p class="para">
   Use <strong class="option configure">--with-pdo-oci=instantclient,prefix,version</strong>
   for an Oracle Instant Client <abbr>SDK</abbr>, where prefix and
   version are configured.
  </p>
  <p class="para">
   <div class="example-contents screen">
    <div class="cdata"><pre>
// Using $ORACLE_HOME
$ ./configure --with-pdo-oci

// Using OIC for Linux with 10.2.0.3 RPMs with a /usr prefix
$ ./configure --with-pdo-oci=instantclient,/usr,10.2.0.3
</pre></div>
   </div>
  </p>
 </div>
</div>


   

<div class="section" id="pdo-oci.constants">
 <h2 class="title">预定义常量</h2>
 <p class="simpara">下列常量由此驱动定义，且仅在扩展编译入 PHP
或在运行时动态载入时可用。另外，使用此驱动时，仅会使用这些驱动特定的常量。使用其他驱动的驱动特定的常量可能会导致不可预见的情况。如果代码可运行于多个驱动，<span class="function"><a href="pdo.getattribute.php" class="function">PDO::getAttribute()</a></span>
可被用于获取
<strong><code>PDO_ATTR_DRIVER_NAME</code></strong>
属性以检查驱动。</p>
 <dl>
  
  
   <dt id="pdo.constants.oci-attr-action">
    <strong><code><a href="ref.pdo-oci.php#pdo.constants.oci-attr-action">PDO::OCI_ATTR_ACTION</a></code></strong>
     (<span class="type"><a href="language.types.integer.php" class="type int">int</a></span>)
   </dt>
   <dd>
    <p class="para">
     Provides a way to specify the action on the database session.
    </p>
    <p class="para">
     自以下版本起 PHP  7.2.16 and 7.3.3
    </p>
   </dd>
  
  
  
   <dt id="pdo.constants.oci-attr-client-info">
    <strong><code><a href="ref.pdo-oci.php#pdo.constants.oci-attr-client-info">PDO::OCI_ATTR_CLIENT_INFO</a></code></strong>
     (<span class="type"><a href="language.types.integer.php" class="type int">int</a></span>)
   </dt>
   <dd>
    <p class="para">
     Provides a way to specify the client info on the database session.
    </p>
    <p class="para">
     自以下版本起 PHP  7.2.16 and 7.3.3
    </p>
   </dd>
  
  
  
   <dt id="pdo.constants.oci-attr-client-identifier">
    <strong><code><a href="ref.pdo-oci.php#pdo.constants.oci-attr-client-identifier">PDO::OCI_ATTR_CLIENT_IDENTIFIER</a></code></strong>
     (<span class="type"><a href="language.types.integer.php" class="type int">int</a></span>)
   </dt>
   <dd>
    <p class="para">
     Provides a way to specify the client identifier on the database session.
    </p>
    <p class="para">
     自以下版本起 PHP  7.2.16 and 7.3.3
    </p>
   </dd>
  
  
  
   <dt id="pdo.constants.oci-attr-module">
    <strong><code><a href="ref.pdo-oci.php#pdo.constants.oci-attr-module">PDO::OCI_ATTR_MODULE</a></code></strong>
     (<span class="type"><a href="language.types.integer.php" class="type int">int</a></span>)
   </dt>
   <dd>
    <p class="para">
     Provides a way to specify the module on the database session.
    </p>
    <p class="para">
     自以下版本起 PHP  7.2.16 and 7.3.3
    </p>
   </dd>
  

 </dl>
</div>




  </div>

  

 <h2>目录</h2><ul class="chunklist chunklist_reference"><li><a href="ref.pdo-oci.connection.php">PDO_OCI DSN</a> — Connecting to Oracle databases</li></ul>
</div>
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