uTools-Manuals/docs/php/pg_connection_status.html
2019-04-28 19:00:34 +08:00

56 lines
4.1 KiB
HTML

<!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>获得连接状态</title>
</head>
<body class="docs"><div id="layout">
<div id="layout-content"><div id="function.pg-connection-status" class="refentry">
<div class="refnamediv">
<h1 class="refname">pg_connection_status</h1>
<p class="verinfo">(PHP 4 &gt;= 4.2.0, PHP 5, PHP 7)</p><p class="refpurpose"><span class="refname">pg_connection_status</span> &mdash; <span class="dc-title">
获得连接状态
</span></p>
</div>
<div class="refsect1 unknown-seealsp" id="refsect1-function.pg-connection-status-unknown-seealsp">
<h3 class="title">说明</h3>
<div class="methodsynopsis dc-description">
<span class="methodname"><strong>pg_connection_status</strong></span>
( <span class="methodparam"><span class="type">resource</span> <code class="parameter">$connection</code></span>
) : <span class="type">int</span></div>
<p class="para rdfs-comment">
<span class="function"><strong>pg_connection_status()</strong></span> 返回一个连接的状态。可能的状态为
<em>PGSQL_CONNECTION_OK</em><em>PGSQL_CONNECTION_BAD</em>
</p>
<p class="para">
<div class="example" id="example-2477">
<p><strong>Example #1 <span class="function"><strong>pg_connection_status()</strong></span> 例子</strong></p>
<div class="example-contents">
<div class="phpcode"><pre><span style="color: #000000">
<span style="color: #0000BB">&lt;?php<br />&nbsp;&nbsp;&nbsp;&nbsp;$dbconn&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #0000BB">pg_connect</span><span style="color: #007700">(</span><span style="color: #DD0000">"dbname=publisher"</span><span style="color: #007700">)&nbsp;or&nbsp;die(</span><span style="color: #DD0000">"Could&nbsp;not&nbsp;connect"</span><span style="color: #007700">);<br />&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #0000BB">$stat&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #0000BB">pg_connection_status</span><span style="color: #007700">(</span><span style="color: #0000BB">$dbconn</span><span style="color: #007700">);<br />&nbsp;&nbsp;&nbsp;&nbsp;echo&nbsp;</span><span style="color: #DD0000">'connection_status:&nbsp;'</span><span style="color: #007700">.</span><span style="color: #0000BB">$stat</span><span style="color: #007700">;<br /></span><span style="color: #0000BB">?&gt;</span>
</span>
</pre></div>
</div>
</div>
</p>
<p class="para">
<div class="example" id="example-2478">
<p><strong>Example #2 <span class="function"><strong>pg_connection_status()</strong></span> 例子</strong></p>
<div class="example-contents">
<div class="phpcode"><pre><span style="color: #000000">
<span style="color: #0000BB">&lt;?php<br />&nbsp;&nbsp;&nbsp;&nbsp;$dbconn&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #0000BB">pg_connect</span><span style="color: #007700">(</span><span style="color: #DD0000">"dbname=publisher"</span><span style="color: #007700">)&nbsp;or&nbsp;die(</span><span style="color: #DD0000">"Could&nbsp;not&nbsp;connect"</span><span style="color: #007700">);<br />&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #0000BB">$stat&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #0000BB">pg_connection_status</span><span style="color: #007700">(</span><span style="color: #0000BB">$dbconn</span><span style="color: #007700">);<br />&nbsp;&nbsp;&nbsp;&nbsp;echo&nbsp;</span><span style="color: #DD0000">'connection_status:&nbsp;'</span><span style="color: #007700">.</span><span style="color: #0000BB">$stat</span><span style="color: #007700">;<br /></span><span style="color: #0000BB">?&gt;</span>
</span>
</pre></div>
</div>
</div>
</p>
<p class="para">
参见 <span class="function"><a href="pg_connection_busy.html" class="function">pg_connection_busy()</a></span>
</p>
</div>
</div></div></div></body></html>