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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"><html> <head> <title>Open a persistent database connection</title> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> </head> <body><div style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="function.odbc-num-rows.html">odbc_num_rows</a></div> <div class="next" style="text-align: right; float: right;"><a href="function.odbc-prepare.html">odbc_prepare</a></div> <div class="up"><a href="ref.uodbc.html">ODBC Functions</a></div> <div class="home"><a href="index.html">PHP Manual</a></div></div><hr /><div id="function.odbc-pconnect" class="refentry"> <div class="refnamediv"> <h1 class="refname">odbc_pconnect</h1> <p class="verinfo">(PHP 4, PHP 5)</p><p class="refpurpose"><span class="refname">odbc_pconnect</span> — <span class="dc-title">Open a persistent database connection</span></p> </div> <div class="refsect1 description"> <h3 class="title">Description</h3> <div class="methodsynopsis dc-description"> <span class="type">resource</span> <span class="methodname"><b><b>odbc_pconnect</b></b></span> ( <span class="methodparam"><span class="type">string</span> <tt class="parameter">$dsn</tt></span> , <span class="methodparam"><span class="type">string</span> <tt class="parameter">$user</tt></span> , <span class="methodparam"><span class="type">string</span> <tt class="parameter">$password</tt></span> [, <span class="methodparam"><span class="type">int</span> <tt class="parameter">$cursor_type</tt></span> ] )</div> <p class="para rdfs-comment"> Opens a persistent database connection. </p> <p class="para"> This function is much like <a href="function.odbc-connect.html" class="function">odbc_connect()</a>, except that the connection is not really closed when the script has finished. Future requests for a connection with the same <i><tt class="parameter">dsn</tt></i>, <i><tt class="parameter">user</tt></i>, <i><tt class="parameter">password</tt></i> combination (via <a href="function.odbc-connect.html" class="function">odbc_connect()</a> and <b>odbc_pconnect()</b>) can reuse the persistent connection. </p> </div> <div class="refsect1 parameters"> <h3 class="title">Parameters</h3> <p class="para"> See <a href="function.odbc-connect.html" class="function">odbc_connect()</a> for details. </p> </div> <div class="refsect1 returnvalues"> <h3 class="title">Return Values</h3> <p class="para"> Returns an ODBC connection id or 0 (<b><tt>FALSE</tt></b>) on error. </p> </div> <div class="refsect1 notes"> <h3 class="title">Notes</h3> <blockquote><p><b class="note">Note</b>: <span class="simpara"> Persistent connections have no effect if PHP is used as a CGI program. </span> </p></blockquote> </div> <div class="refsect1 seealso"> <h3 class="title">See Also</h3> <p class="para"> <ul class="simplelist"> <li class="member"><a href="function.odbc-connect.html" class="function" rel="rdfs-seeAlso">odbc_connect()</a></li> <li class="member"><a href="features.persistent-connections.html" class="link">Persistent Database Connections</a></li> </ul> </p> </div></div><hr /><div style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="function.odbc-num-rows.html">odbc_num_rows</a></div> <div class="next" style="text-align: right; float: right;"><a href="function.odbc-prepare.html">odbc_prepare</a></div> <div class="up"><a href="ref.uodbc.html">ODBC Functions</a></div> <div class="home"><a href="index.html">PHP Manual</a></div></div></body></html>⌨️ 快捷键说明
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