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<!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>Change logged in user of the active connection</title>
</head>
<body class="docs"><div id="layout">
<div id="layout-content"><div id="function.fbsql-change-user" class="refentry">
<div class="refnamediv">
<h1 class="refname">fbsql_change_user</h1>
<p class="verinfo">(PHP 4 &gt;= 4.0.6, PHP 5, PHP 7)</p><p class="refpurpose"><span class="refname">fbsql_change_user</span> &mdash; <span class="dc-title">Change logged in user of the active connection</span></p>
</div>
<div class="refsect1 description" id="refsect1-function.fbsql-change-user-description">
<h3 class="title">说明</h3>
<div class="methodsynopsis dc-description">
<span class="methodname"><strong>fbsql_change_user</strong></span>
( <span class="methodparam"><span class="type">string</span> <code class="parameter">$user</code></span>
, <span class="methodparam"><span class="type">string</span> <code class="parameter">$password</code></span>
[, <span class="methodparam"><span class="type">string</span> <code class="parameter">$database</code></span>
[, <span class="methodparam"><span class="type">resource</span> <code class="parameter">$link_identifier</code></span>
]] ) : <span class="type">bool</span></div>
<p class="para rdfs-comment">
<span class="function"><strong>fbsql_change_user()</strong></span> changes the logged in user of the
specified connection. If the new user and password authorization fails,
the current connected user stays active.
</p>
</div>
<div class="refsect1 parameters" id="refsect1-function.fbsql-change-user-parameters">
<h3 class="title">参数</h3>
<p class="para">
<dl>
<dt>
<code class="parameter">user</code></dt>
<dd>
<p class="para">
The new user name.
</p>
</dd>
<dt>
<code class="parameter">password</code></dt>
<dd>
<p class="para">
The new user password.
</p>
</dd>
<dt>
<code class="parameter">database</code></dt>
<dd>
<p class="para">
If specified, this will be the default or current database after the
user has been changed.
</p>
</dd>
<dt>
<code class="parameter">
link_identifier</code></dt>
<dd>
<p class="para">
<span class="function"><a href="fbsql_connect.html" class="function">fbsql_connect()</a></span>
<span class="function"><a href="fbsql_pconnect.html" class="function">fbsql_pconnect()</a></span> 返回的 FrontBase 链接标识符.</p>
<p class="para">如可选并未指定,函数会尝试查找一个到 FrontBase 服务器的开放链接,且如没有找到这样的链接,会尝试通过不带参数调用 <span class="function"><a href="fbsql_connect.html" class="function">fbsql_connect()</a></span> 来创建一个。</p>
</dd>
</dl>
</p>
</div>
<div class="refsect1 returnvalues" id="refsect1-function.fbsql-change-user-returnvalues">
<h3 class="title">返回值</h3>
<p class="para">
成功时返回 <strong><code>TRUE</code></strong> 或者在失败时返回 <strong><code>FALSE</code></strong>
</p>
</div>
</div></div></div></body></html>