📄 function.pg-client-encoding.html
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"><html> <head> <title>Gets the client encoding</title> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> </head> <body><div style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="function.pg-cancel-query.html">pg_cancel_query</a></div> <div class="next" style="text-align: right; float: right;"><a href="function.pg-close.html">pg_close</a></div> <div class="up"><a href="ref.pgsql.html">PostgreSQL Functions</a></div> <div class="home"><a href="index.html">PHP Manual</a></div></div><hr /><div id="function.pg-client-encoding" class="refentry"> <div class="refnamediv"> <h1 class="refname">pg_client_encoding</h1> <p class="verinfo">(PHP 4 >= 4.0.3, PHP 5)</p><p class="refpurpose"><span class="refname">pg_client_encoding</span> — <span class="dc-title"> Gets the client encoding </span></p> </div> <div class="refsect1 description"> <h3 class="title">Description</h3> <div class="methodsynopsis dc-description"> <span class="type">string</span> <span class="methodname"><b><b>pg_client_encoding</b></b></span> ([ <span class="methodparam"><span class="type">resource</span> <tt class="parameter">$connection</tt></span> ] )</div> <p class="para rdfs-comment"> PostgreSQL supports automatic character set conversion between server and client for certain character sets. <b>pg_client_encoding()</b> returns the client encoding as a string. The returned string will be one of the standard PostgreSQL encoding identifiers. </p> <blockquote><p><b class="note">Note</b>: This function requires PHP 4.0.3 or higher and PostgreSQL 7.0 or higher. If libpq is compiled without multibyte encoding support, <b>pg_client_encoding()</b> always returns <i>SQL_ASCII</i>. Supported encoding depends on PostgreSQL version. Refer to the PostgreSQL Documentation supported encodings. <br /> The function used to be called <b>pg_clientencoding()</b>. <br /> </p></blockquote> </div><div class="refsect1 parameters"> <h3 class="title">Parameters</h3> <p class="para"> <dl> <dt> <span class="term"><i><tt class="parameter">connection</tt></i></span> <dd> <p class="para"> PostgreSQL database connection resource. When <i><tt class="parameter">connection</tt></i> is not present, the default connection is used. The default connection is the last connection made by <a href="function.pg-connect.html" class="function">pg_connect()</a> or <a href="function.pg-pconnect.html" class="function">pg_pconnect()</a>. </p> </dd> </dt> </dl> </p> </div> <div class="refsect1 returnvalues"> <h3 class="title">Return Values</h3> <p class="para"> The client encoding, or <b><tt>FALSE</tt></b> on error. </p> </div> <div class="refsect1 examples"> <h3 class="title">Examples</h3> <p class="para"> <div class="example"> <p><b>Example #1 <b>pg_client_encoding()</b> example</b></p> <div class="example-contents"><div class="phpcode"><code><span style="color: #000000"><span style="color: #0000BB"><?php<br /></span><span style="color: #FF8000">// Assume $conn is a connection to a ISO-8859-1 database<br /></span><span style="color: #0000BB">$encoding </span><span style="color: #007700">= </span><span style="color: #0000BB">pg_client_encoding</span><span style="color: #007700">(</span><span style="color: #0000BB">$conn</span><span style="color: #007700">);<br /><br />echo </span><span style="color: #DD0000">"Client encoding is: "</span><span style="color: #007700">, </span><span style="color: #0000BB">$encoding</span><span style="color: #007700">, </span><span style="color: #DD0000">"\n"</span><span style="color: #007700">;<br /></span><span style="color: #0000BB">?></span></span></code></div> </div> <div class="example-contents"><p>The above example will output:</p></div> <div class="example-contents"><pre><div class="cdata"><pre>Client encoding is: ISO-8859-1</pre></div> </pre></div> </div> </p> </div> <div class="refsect1 seealso"> <h3 class="title">See Also</h3> <p class="para"> <ul class="simplelist"> <li class="member"><a href="function.pg-set-client-encoding.html" class="function" rel="rdfs-seeAlso">pg_set_client_encoding()</a></li> </ul> </p> </div></div><hr /><div style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="function.pg-cancel-query.html">pg_cancel_query</a></div> <div class="next" style="text-align: right; float: right;"><a href="function.pg-close.html">pg_close</a></div> <div class="up"><a href="ref.pgsql.html">PostgreSQL Functions</a></div> <div class="home"><a href="index.html">PHP Manual</a></div></div></body></html>⌨️ 快捷键说明
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