uTools-Manuals/docs/php/db2_close.html
2019-04-08 23:22:26 +08:00

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<html>
<head>
<meta http-equiv="content-type" content="text/html; charset=UTF-8">
<title>Closes a database connection</title>
</head>
<body class="docs"><div id="layout">
<div id="layout-content"><div id="function.db2-close" class="refentry">
<div class="refnamediv">
<h1 class="refname">db2_close</h1>
<p class="verinfo">(PECL ibm_db2 &gt;= 1.0.0)</p><p class="refpurpose"><span class="refname">db2_close</span> &mdash; <span class="dc-title">
Closes a database connection
</span></p>
</div>
<div class="refsect1 description" id="refsect1-function.db2-close-description">
<h3 class="title">说明</h3>
<div class="methodsynopsis dc-description">
<span class="methodname"><strong>db2_close</strong></span>
( <span class="methodparam"><span class="type">resource</span> <code class="parameter">$connection</code></span>
) : <span class="type">bool</span></div>
<p class="para rdfs-comment">
This function closes a DB2 client connection created with
<span class="function"><a href="db2_connect.html" class="function">db2_connect()</a></span> and returns the corresponding
resources to the database server.
</p>
<p class="para">
If you attempt to close a persistent DB2 client connection created with
<span class="function"><a href="db2_pconnect.html" class="function">db2_pconnect()</a></span>, the close request is ignored and the
persistent DB2 client connection remains available for the next caller.
</p>
</div>
<div class="refsect1 parameters" id="refsect1-function.db2-close-parameters">
<h3 class="title">参数</h3>
<p class="para">
<dl>
<dt>
<code class="parameter">connection</code></dt>
<dd>
<p class="para">
Specifies an active DB2 client connection.
</p>
</dd>
</dl>
</p>
</div>
<div class="refsect1 returnvalues" id="refsect1-function.db2-close-returnvalues">
<h3 class="title">返回值</h3>
<p class="para">
成功时返回 <strong><code>TRUE</code></strong> 或者在失败时返回 <strong><code>FALSE</code></strong>
</p>
</div>
<div class="refsect1 examples" id="refsect1-function.db2-close-examples">
<h3 class="title">范例</h3>
<p class="para">
<div class="example" id="example-1234">
<p><strong>Example #1 Closing a connection</strong></p>
<div class="example-contents"><p>
The following example demonstrates a successful attempt to close a
connection to an IBM DB2, Cloudscape, or Apache Derby database.
</p></div>
<div class="example-contents">
<div class="phpcode"><pre><span style="color: #000000">
<span style="color: #0000BB">&lt;?php<br />$conn&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #0000BB">db2_connect</span><span style="color: #007700">(</span><span style="color: #DD0000">'SAMPLE'</span><span style="color: #007700">,&nbsp;</span><span style="color: #DD0000">'db2inst1'</span><span style="color: #007700">,&nbsp;</span><span style="color: #DD0000">'ibmdb2'</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$rc&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #0000BB">db2_close</span><span style="color: #007700">(</span><span style="color: #0000BB">$conn</span><span style="color: #007700">);<br />if&nbsp;(</span><span style="color: #0000BB">$rc</span><span style="color: #007700">)&nbsp;{<br />&nbsp;&nbsp;&nbsp;&nbsp;echo&nbsp;</span><span style="color: #DD0000">"Connection&nbsp;was&nbsp;successfully&nbsp;closed."</span><span style="color: #007700">;<br />}<br /></span><span style="color: #0000BB">?&gt;</span>
</span>
</pre></div>
</div>
<div class="example-contents"><p>以上例程会输出:</p></div>
<div class="example-contents screen">
<div class="cdata"><pre>
Connection was successfully closed.
</pre></div>
</div>
</div>
</p>
</div>
<div class="refsect1 seealso" id="refsect1-function.db2-close-seealso">
<h3 class="title">参见</h3>
<p class="para">
<ul class="simplelist">
<li class="member"><span class="function"><a href="db2_connect.html" class="function" rel="rdfs-seeAlso">db2_connect()</a> - Returns a connection to a database</span></li>
<li class="member"><span class="function"><a href="db2_pclose.html" class="function" rel="rdfs-seeAlso">db2_pclose()</a> - Closes a persistent database connection</span></li>
<li class="member"><span class="function"><a href="db2_pconnect.html" class="function" rel="rdfs-seeAlso">db2_pconnect()</a> - Returns a persistent connection to a database</span></li>
</ul>
</p>
</div>
</div></div></div></body></html>