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56 lines
4.1 KiB
HTML
56 lines
4.1 KiB
HTML
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
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<html>
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<head>
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<meta http-equiv="content-type" content="text/html; charset=UTF-8">
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<title>获得连接状态</title>
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</head>
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<body class="docs"><div id="layout">
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<div id="layout-content"><div id="function.pg-connection-status" class="refentry">
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<div class="refnamediv">
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<h1 class="refname">pg_connection_status</h1>
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<p class="verinfo">(PHP 4 >= 4.2.0, PHP 5, PHP 7)</p><p class="refpurpose"><span class="refname">pg_connection_status</span> — <span class="dc-title">
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获得连接状态
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</span></p>
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</div>
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<div class="refsect1 unknown-seealsp" id="refsect1-function.pg-connection-status-unknown-seealsp">
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<h3 class="title">说明</h3>
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<div class="methodsynopsis dc-description">
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<span class="methodname"><strong>pg_connection_status</strong></span>
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( <span class="methodparam"><span class="type">resource</span> <code class="parameter">$connection</code></span>
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) : <span class="type">int</span></div>
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<p class="para rdfs-comment">
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<span class="function"><strong>pg_connection_status()</strong></span> 返回一个连接的状态。可能的状态为
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<em>PGSQL_CONNECTION_OK</em> 和 <em>PGSQL_CONNECTION_BAD</em>。
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</p>
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<p class="para">
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<div class="example" id="example-2477">
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<p><strong>Example #1 <span class="function"><strong>pg_connection_status()</strong></span> 例子</strong></p>
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<div class="example-contents">
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<div class="phpcode"><pre><span style="color: #000000">
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<span style="color: #0000BB"><?php<br /> $dbconn </span><span style="color: #007700">= </span><span style="color: #0000BB">pg_connect</span><span style="color: #007700">(</span><span style="color: #DD0000">"dbname=publisher"</span><span style="color: #007700">) or die(</span><span style="color: #DD0000">"Could not connect"</span><span style="color: #007700">);<br /> </span><span style="color: #0000BB">$stat </span><span style="color: #007700">= </span><span style="color: #0000BB">pg_connection_status</span><span style="color: #007700">(</span><span style="color: #0000BB">$dbconn</span><span style="color: #007700">);<br /> echo </span><span style="color: #DD0000">'connection_status: '</span><span style="color: #007700">.</span><span style="color: #0000BB">$stat</span><span style="color: #007700">;<br /></span><span style="color: #0000BB">?></span>
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</span>
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</pre></div>
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</div>
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</div>
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</p>
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<p class="para">
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<div class="example" id="example-2478">
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<p><strong>Example #2 <span class="function"><strong>pg_connection_status()</strong></span> 例子</strong></p>
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<div class="example-contents">
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<div class="phpcode"><pre><span style="color: #000000">
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<span style="color: #0000BB"><?php<br /> $dbconn </span><span style="color: #007700">= </span><span style="color: #0000BB">pg_connect</span><span style="color: #007700">(</span><span style="color: #DD0000">"dbname=publisher"</span><span style="color: #007700">) or die(</span><span style="color: #DD0000">"Could not connect"</span><span style="color: #007700">);<br /> </span><span style="color: #0000BB">$stat </span><span style="color: #007700">= </span><span style="color: #0000BB">pg_connection_status</span><span style="color: #007700">(</span><span style="color: #0000BB">$dbconn</span><span style="color: #007700">);<br /> echo </span><span style="color: #DD0000">'connection_status: '</span><span style="color: #007700">.</span><span style="color: #0000BB">$stat</span><span style="color: #007700">;<br /></span><span style="color: #0000BB">?></span>
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</span>
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</pre></div>
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</div>
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</div>
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</p>
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<p class="para">
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参见 <span class="function"><a href="pg_connection_busy.html" class="function">pg_connection_busy()</a></span>。
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</p>
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</div>
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</div></div></div></body></html> |