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103 lines
4.5 KiB
HTML
103 lines
4.5 KiB
HTML
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
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<meta http-equiv="content-type" content="text/html; charset=UTF-8">
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<title>Returns an array with client, protocol and server version (when available)</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-version" class="refentry">
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<div class="refnamediv">
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<h1 class="refname">pg_version</h1>
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<p class="verinfo">(PHP 5, PHP 7)</p><p class="refpurpose"><span class="refname">pg_version</span> — <span class="dc-title">
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Returns an array with client, protocol and server version (when available)
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</span></p>
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</div>
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<div class="refsect1 description" id="refsect1-function.pg-version-description">
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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_version</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">array</span></div>
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<p class="para rdfs-comment">
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<span class="function"><strong>pg_version()</strong></span> returns an array with the client, protocol
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and server version. Protocol and server versions are only available if PHP
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was compiled with PostgreSQL 7.4 or later.
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</p>
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<p class="para">
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For more detailed server information, use <span class="function"><a href="pg_parameter_status.html" class="function">pg_parameter_status()</a></span>.
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</p>
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</div>
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<div class="refsect1 parameters" id="refsect1-function.pg-version-parameters">
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<h3 class="title">参数</h3>
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<p class="para">
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<dl>
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<dt>
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<code class="parameter">connection</code></dt>
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<dd>
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<p class="para">
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PostgreSQL database connection resource. When
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<code class="parameter">connection</code> is not present, the default connection
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is used. The default connection is the last connection made by
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<span class="function"><a href="pg_connect.html" class="function">pg_connect()</a></span> or <span class="function"><a href="pg_pconnect.html" class="function">pg_pconnect()</a></span>.
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</p>
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</dd>
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</dl>
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</p>
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</div>
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<div class="refsect1 returnvalues" id="refsect1-function.pg-version-returnvalues">
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<h3 class="title">返回值</h3>
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<p class="para">
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Returns an array with <em>client</em>, <em>protocol</em>
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and <em>server</em> keys and values (if available). Returns
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<strong><code>FALSE</code></strong> on error or invalid connection.
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</p>
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</div>
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<div class="refsect1 examples" id="refsect1-function.pg-version-examples">
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<h3 class="title">范例</h3>
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<p class="para">
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<div class="example" id="example-2522">
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<p><strong>Example #1 <span class="function"><strong>pg_version()</strong></span> example</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 /> $dbconn </span><span style="color: #007700">= </span><span style="color: #0000BB">pg_connect</span><span style="color: #007700">(</span><span style="color: #DD0000">"host=localhost port=5432 dbname=mary"</span><span style="color: #007700">)<br /> or die(</span><span style="color: #DD0000">"Could not connect"</span><span style="color: #007700">);<br /> <br /> </span><span style="color: #0000BB">$v </span><span style="color: #007700">= </span><span style="color: #0000BB">pg_version</span><span style="color: #007700">(</span><span style="color: #0000BB">$dbconn</span><span style="color: #007700">);<br /> <br /> echo </span><span style="color: #0000BB">$v</span><span style="color: #007700">[</span><span style="color: #DD0000">'client'</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 class="example-contents"><p>以上例程会输出：</p></div>
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<div class="example-contents screen">
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<div class="cdata"><pre>
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7.4
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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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</div>
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<div class="refsect1 seealso" id="refsect1-function.pg-version-seealso">
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<h3 class="title">参见</h3>
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<p class="para">
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<ul class="simplelist">
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<li class="member"><span class="function"><a href="pg_parameter_status.html" class="function" rel="rdfs-seeAlso">pg_parameter_status()</a> - Looks up a current parameter setting of the server</span></li>
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</ul>
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</p>
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</div>
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</div></div></div></body></html> |