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<div id="function.cubrid-pconnect" class="refentry">
 <div class="refnamediv">
  <h1 class="refname">cubrid_pconnect</h1>
  <p class="verinfo">(PECL CUBRID &gt;= 8.3.1)</p><p class="refpurpose"><span class="refname">cubrid_pconnect</span> &mdash; <span class="dc-title">Open a persistent connection to a CUBRID server</span></p>

 </div>

 <div class="refsect1 description" id="refsect1-function.cubrid-pconnect-description">
  <h3 class="title">Description</h3>
  <div class="methodsynopsis dc-description">
   <span class="methodname"><strong>cubrid_pconnect</strong></span>(<br>&nbsp;&nbsp;&nbsp;&nbsp;<span class="methodparam"><span class="type"><a href="language.types.string.php" class="type string">string</a></span> <code class="parameter">$host</code></span>,<br>&nbsp;&nbsp;&nbsp;&nbsp;<span class="methodparam"><span class="type"><a href="language.types.integer.php" class="type int">int</a></span> <code class="parameter">$port</code></span>,<br>&nbsp;&nbsp;&nbsp;&nbsp;<span class="methodparam"><span class="type"><a href="language.types.string.php" class="type string">string</a></span> <code class="parameter">$dbname</code></span>,<br>&nbsp;&nbsp;&nbsp;&nbsp;<span class="methodparam"><span class="type"><a href="language.types.string.php" class="type string">string</a></span> <code class="parameter">$userid</code><span class="initializer"> = ?</span></span>,<br>&nbsp;&nbsp;&nbsp;&nbsp;<span class="methodparam"><span class="type"><a href="language.types.string.php" class="type string">string</a></span> <code class="parameter">$passwd</code><span class="initializer"> = ?</span></span><br>): <span class="type"><a href="language.types.resource.php" class="type resource">resource</a></span></div>

  <p class="simpara">
   Establishes a persistent connection to a CUBRID server.
  </p>
  <p class="simpara">
   <span class="function"><strong>cubrid_pconnect()</strong></span> acts very much like
   <span class="function"><a href="function.cubrid-connect.php" class="function">cubrid_connect()</a></span> with two major differences.
  </p>
  <p class="simpara">
   First, when connecting, the function would first try to find a (persistent)
   link that&#039;s already open with the same host, port, dbname and userid. If
   one is found, an identifier for it will be returned instead of opening a
   new connection.
  </p>
  <p class="simpara">
   Second, the connection to the SQL server will not be closed when the
   execution of the script ends.  Instead, the link will remain open for
   future use (<span class="function"><a href="function.cubrid-close.php" class="function">cubrid_close()</a></span> or
   <span class="function"><a href="function.cubrid-disconnect.php" class="function">cubrid_disconnect()</a></span> will not close links established by
   <span class="function"><strong>cubrid_pconnect()</strong></span>).
  </p>
  <p class="simpara">
   This type of link is therefore called &#039;persistent&#039;.
  </p>
 </div>


  <div class="refsect1 parameters" id="refsect1-function.cubrid-pconnect-parameters">
 <h3 class="title">Parameters</h3>
 <dl>
  
   <dt><code class="parameter">host</code></dt>
   <dd><span class="simpara">Host name or IP address of CUBRID CAS server.</span></dd>
  
  
   <dt><code class="parameter">port</code></dt>
   <dd><span class="simpara">Port number of CUBRID CAS server (BROKER_PORT configured in $CUBRID/conf/cubrid_broker.conf).</span></dd>
  
  
   <dt><code class="parameter">dbname</code></dt>
   <dd><span class="simpara">Name of database.</span></dd>
  
  
   <dt><code class="parameter">userid</code></dt>
   <dd><span class="simpara">User name for the database.</span></dd>
  
  
   <dt><code class="parameter">passwd</code></dt>
   <dd><span class="simpara">User password.</span></dd>
  
 </dl>
 </div>


  <div class="refsect1 returnvalues" id="refsect1-function.cubrid-pconnect-returnvalues">
  <h3 class="title">Return Values</h3>
  <p class="simpara">
    Connection identifier, when process is successful, or <strong><code><a href="reserved.constants.php#constant.false">false</a></code></strong> on failure.
  </p>
 </div>


 <div class="refsect1 examples" id="refsect1-function.cubrid-pconnect-examples">
  <h3 class="title">Examples</h3>
  <div class="example" id="example-1">
   <p><strong>Example #1 <span class="function"><a href="function.cubrid-connect.php" class="function">cubrid_connect()</a></span> example</strong></p>
   <div class="example-contents">
<div class="phpcode"><code><span style="color: #000000"><span style="color: #0000BB">&lt;?php<br />printf</span><span style="color: #007700">(</span><span style="color: #DD0000">"%-30s %s\n"</span><span style="color: #007700">, </span><span style="color: #DD0000">"CUBRID PHP Version:"</span><span style="color: #007700">, </span><span style="color: #0000BB">cubrid_version</span><span style="color: #007700">());<br /><br /></span><span style="color: #0000BB">printf</span><span style="color: #007700">(</span><span style="color: #DD0000">"\n"</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">$conn </span><span style="color: #007700">= </span><span style="color: #0000BB">cubrid_pconnect</span><span style="color: #007700">(</span><span style="color: #DD0000">"localhost"</span><span style="color: #007700">, </span><span style="color: #0000BB">33000</span><span style="color: #007700">, </span><span style="color: #DD0000">"demodb"</span><span style="color: #007700">, </span><span style="color: #DD0000">"dba"</span><span style="color: #007700">);<br /><br />if (!</span><span style="color: #0000BB">$conn</span><span style="color: #007700">) {<br />    die(</span><span style="color: #DD0000">'Connect Error ('</span><span style="color: #007700">. </span><span style="color: #0000BB">cubrid_error_code</span><span style="color: #007700">() .</span><span style="color: #DD0000">')' </span><span style="color: #007700">. </span><span style="color: #0000BB">cubrid_error_msg</span><span style="color: #007700">());<br />}<br /><br /></span><span style="color: #0000BB">$db_params </span><span style="color: #007700">= </span><span style="color: #0000BB">cubrid_get_db_parameter</span><span style="color: #007700">(</span><span style="color: #0000BB">$conn</span><span style="color: #007700">);<br /><br />while (list(</span><span style="color: #0000BB">$param_name</span><span style="color: #007700">, </span><span style="color: #0000BB">$param_value</span><span style="color: #007700">) = </span><span style="color: #0000BB">each</span><span style="color: #007700">(</span><span style="color: #0000BB">$db_params</span><span style="color: #007700">)) {<br />    </span><span style="color: #0000BB">printf</span><span style="color: #007700">(</span><span style="color: #DD0000">"%-30s %s\n"</span><span style="color: #007700">, </span><span style="color: #0000BB">$param_name</span><span style="color: #007700">, </span><span style="color: #0000BB">$param_value</span><span style="color: #007700">);<br />}<br /><br /></span><span style="color: #0000BB">printf</span><span style="color: #007700">(</span><span style="color: #DD0000">"\n"</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">$server_info </span><span style="color: #007700">= </span><span style="color: #0000BB">cubrid_get_server_info</span><span style="color: #007700">(</span><span style="color: #0000BB">$conn</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$client_info </span><span style="color: #007700">= </span><span style="color: #0000BB">cubrid_get_client_info</span><span style="color: #007700">();<br /><br /></span><span style="color: #0000BB">printf</span><span style="color: #007700">(</span><span style="color: #DD0000">"%-30s %s\n"</span><span style="color: #007700">, </span><span style="color: #DD0000">"Server Info:"</span><span style="color: #007700">, </span><span style="color: #0000BB">$server_info</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">printf</span><span style="color: #007700">(</span><span style="color: #DD0000">"%-30s %s\n"</span><span style="color: #007700">, </span><span style="color: #DD0000">"Client Info:"</span><span style="color: #007700">, </span><span style="color: #0000BB">$client_info</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">printf</span><span style="color: #007700">(</span><span style="color: #DD0000">"\n"</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">$charset </span><span style="color: #007700">= </span><span style="color: #0000BB">cubrid_get_charset</span><span style="color: #007700">(</span><span style="color: #0000BB">$conn</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">printf</span><span style="color: #007700">(</span><span style="color: #DD0000">"%-30s %s\n"</span><span style="color: #007700">, </span><span style="color: #DD0000">"CUBRID Charset:"</span><span style="color: #007700">, </span><span style="color: #0000BB">$charset</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">cubrid_disconnect</span><span style="color: #007700">(</span><span style="color: #0000BB">$conn</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">?&gt;</span></span></code></div>
   </div>

    <div class="example-contents"><p>The above example will output:</p></div>
    <div class="example-contents screen">
<div class="examplescode"><pre class="examplescode">CUBRID PHP Version:            9.1.0.0001

PARAM_ISOLATION_LEVEL          3
LOCK_TIMEOUT                   -1
MAX_STRING_LENGTH              1073741823
PARAM_AUTO_COMMIT              1

Server Info:                   9.1.0.0212
Client Info:                   9.1.0

CUBRID Charset:                iso8859-1</pre>
</div>
   </div>
  </div>
 </div>


   <div class="refsect1 seealso" id="refsect1-function.cubrid-pconnect-seealso">
  <h3 class="title">See Also</h3>
  <ul class="simplelist">
  <li><span class="function"><a href="function.cubrid-connect.php" class="function" rel="rdfs-seeAlso">cubrid_connect()</a> - Open a connection to a CUBRID Server</span></li>
  <li><span class="function"><a href="function.cubrid-connect-with-url.php" class="function" rel="rdfs-seeAlso">cubrid_connect_with_url()</a> - Establish the environment for connecting to CUBRID server</span></li>
  <li><span class="function"><a href="function.cubrid-pconnect-with-url.php" class="function" rel="rdfs-seeAlso">cubrid_pconnect_with_url()</a> - Open a persistent connection to CUBRID server</span></li>
  <li><span class="function"><a href="function.cubrid-disconnect.php" class="function" rel="rdfs-seeAlso">cubrid_disconnect()</a> - Close a database connection</span></li>
  <li><span class="function"><a href="function.cubrid-close.php" class="function" rel="rdfs-seeAlso">cubrid_close()</a> - Close CUBRID connection</span></li>
  </ul>
 </div>


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