<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <html> <head> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <title>Open persistent Informix connection</title> </head> <body><div class="manualnavbar" style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="function.ifx-num-rows.html">ifx_num_rows</a></div> <div class="next" style="text-align: right; float: right;"><a href="function.ifx-prepare.html">ifx_prepare</a></div> <div class="up"><a href="ref.ifx.html">Informix Functions</a></div> <div class="home"><a href="index.html">PHP Manual</a></div> </div><hr /><div id="function.ifx-pconnect" class="refentry"> <div class="refnamediv"> <h1 class="refname">ifx_pconnect</h1> <p class="verinfo">(PHP 4, PHP <=5.2.0)</p><p class="refpurpose"><span class="refname">ifx_pconnect</span> — <span class="dc-title">Open persistent Informix connection</span></p> </div> <div class="refsect1 description" id="refsect1-function.ifx-pconnect-description"> <h3 class="title">Description</h3> <div class="methodsynopsis dc-description"> <span class="type">resource</span> <span class="methodname"><strong>ifx_pconnect</strong></span> ([ <span class="methodparam"><span class="type">string</span> <code class="parameter">$database</code></span> [, <span class="methodparam"><span class="type">string</span> <code class="parameter">$userid</code></span> [, <span class="methodparam"><span class="type">string</span> <code class="parameter">$password</code></span> ]]] )</div> <p class="para rdfs-comment"> <span class="function"><strong>ifx_pconnect()</strong></span> acts very much like <span class="function"><a href="function.ifx-connect.html" class="function">ifx_connect()</a></span> with two major differences. </p> <p class="para"> First, when connecting, the function would first try to find a (persistent) link that's already open with the same host, username and password. If one is found, an identifier for it will be returned instead of opening a new connection. </p> <p class="para"> 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.ifx-close.html" class="function">ifx_close()</a></span> will not close links established by <span class="function"><strong>ifx_pconnect()</strong></span>). </p> <p class="para"> This type of links is therefore called 'persistent'. </p> </div> <div class="refsect1 parameters" id="refsect1-function.ifx-pconnect-parameters"> <h3 class="title">Parameters</h3> <p class="para"> All of the arguments are optional, and if they're missing, defaults are taken from values supplied in <var class="filename">php.ini</var> (ifx.default_host for the host (Informix libraries will use <span class="envar">INFORMIXSERVER</span> environment value if not defined), ifx.default_user for user, ifx.default_password for the password (none if not defined). </p> <p class="para"> <dl> <dt> <span class="term"><em><code class="parameter">database</code></em></span> <dd> <p class="para"> The database name, as a string. </p> </dd> </dt> <dt> <span class="term"><em><code class="parameter">userid</code></em></span> <dd> <p class="para"> The username, as a string. </p> </dd> </dt> <dt> <span class="term"><em><code class="parameter">password</code></em></span> <dd> <p class="para"> The password, as a string. </p> </dd> </dt> </dl> </p> </div> <div class="refsect1 returnvalues" id="refsect1-function.ifx-pconnect-returnvalues"> <h3 class="title">Return Values</h3> <p class="para"> Returns: valid Informix persistent link identifier on success, or <strong><code>FALSE</code></strong> on errors. </p> </div> <div class="refsect1 seealso" id="refsect1-function.ifx-pconnect-seealso"> <h3 class="title">See Also</h3> <p class="para"> <ul class="simplelist"> <li class="member"> <span class="function"><a href="function.ifx-connect.html" class="function" rel="rdfs-seeAlso">ifx_connect()</a> - Open Informix server connection</span></li> </ul> </p> </div> </div><hr /><div class="manualnavbar" style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="function.ifx-num-rows.html">ifx_num_rows</a></div> <div class="next" style="text-align: right; float: right;"><a href="function.ifx-prepare.html">ifx_prepare</a></div> <div class="up"><a href="ref.ifx.html">Informix Functions</a></div> <div class="home"><a href="index.html">PHP Manual</a></div> </div></body></html>