mysqli.get-charset.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>Returns a character set object</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="mysqli.field-count.html">mysqli->field_count</a></div> <div class="next" style="text-align: right; float: right;"><a href="mysqli.get-client-info.html">mysqli::get_client_info</a></div> <div class="up"><a href="class.mysqli.html">MySQLi</a></div> <div class="home"><a href="index.html">PHP Manual</a></div></div><hr /><div id="mysqli.get-charset" class="refentry"> <div class="refnamediv"> <h1 class="refname">mysqli::get_charset</h1> <h1 class="refname">mysqli_get_charset</h1> <p class="verinfo">(PHP 5 >= 5.1.0)</p><p class="refpurpose"><span class="refname">mysqli::get_charset</span> -- <span class="refname">mysqli_get_charset</span> — <span class="dc-title">Returns a character set object</span></p> </div> <div class="refsect1 description"> <h3 class="title">Description</h3> <div class="methodsynopsis dc-description"> <span class="type">object</span> <span class="methodname"><b><b>mysqli::get_charset</b></b></span> ( <span class="methodparam">void</span> )</div> <div class="methodsynopsis dc-description"> <span class="type">object</span> <span class="methodname"><b><b>mysqli_get_charset</b></b></span> ( <span class="methodparam"><span class="type"><a href="class.mysqli.html" class="type mysqli">mysqli</a></span> <tt class="parameter">$link</tt></span> )</div> <p class="para rdfs-comment"> Returns a character set object providing several properties of the current active characer set. </p> </div> <div class="refsect1 parameters"> <h3 class="title">Parameters</h3> <p class="para"> <dl> <dt><span class="term"><i><tt class="parameter">link</tt></i></span><dd><p class="para">Procedural style only: A link identifierreturned by <a href="mysqli.connect.html" class="function">mysqli_connect()</a> or <a href="mysqli.init.html" class="function">mysqli_init()</a></p></dd></dt> </dl> </p> </div> <div class="refsect1 returnvalues"> <h3 class="title">Return Values</h3> <p class="para"> The function returns a character set object with the following properties: <dl> <dt> <span class="term"><i><tt class="parameter">charset</tt></i></span> <dd><p class="para">Character set name</p></dd> </dt> <dt> <span class="term"><i><tt class="parameter">collation</tt></i></span> <dd><p class="para">Collation name</p></dd> </dt> <dt> <span class="term"><i><tt class="parameter">dir</tt></i></span> <dd><p class="para">Directory the charset description was fetched from (?) or "" for builtin character sets</p></dd> </dt> <dt> <span class="term"><i><tt class="parameter">min_length</tt></i></span> <dd><p class="para">Minimum character lenght in bytes</p></dd> </dt> <dt> <span class="term"><i><tt class="parameter">max_length</tt></i></span> <dd><p class="para">Maximum character length in bytes</p></dd> </dt> <dt> <span class="term"><i><tt class="parameter">number</tt></i></span> <dd><p class="para">Internal character set number</p></dd> </dt> <dt> <span class="term"><i><tt class="parameter">state</tt></i></span> <dd><p class="para">Characer set status (?)</p></dd> </dt> </dl> </p> </div> <div class="refsect1 examples"> <h3 class="title">Examples</h3> <div class="example"> <p><b>Example #1 Object oriented style</b></p> <div class="example-contents"><div class="phpcode"><code><span style="color: #000000"><span style="color: #0000BB"><?php<br /> $db </span><span style="color: #007700">= </span><span style="color: #0000BB">mysqli_init</span><span style="color: #007700">();<br /> </span><span style="color: #0000BB">$db</span><span style="color: #007700">-></span><span style="color: #0000BB">real_connect</span><span style="color: #007700">(</span><span style="color: #DD0000">"localhost"</span><span style="color: #007700">,</span><span style="color: #DD0000">"root"</span><span style="color: #007700">,</span><span style="color: #DD0000">""</span><span style="color: #007700">,</span><span style="color: #DD0000">"test"</span><span style="color: #007700">);<br /> </span><span style="color: #0000BB">var_dump</span><span style="color: #007700">(</span><span style="color: #0000BB">$db</span><span style="color: #007700">-></span><span style="color: #0000BB">get_charset</span><span style="color: #007700">());<br /></span><span style="color: #0000BB">?></span></span></code></div> </div> </div> <div class="example"> <p><b>Example #2 Procedural style</b></p> <div class="example-contents"><div class="phpcode"><code><span style="color: #000000"><span style="color: #0000BB"><?php<br /> $db </span><span style="color: #007700">= </span><span style="color: #0000BB">mysqli_init</span><span style="color: #007700">();<br /> </span><span style="color: #0000BB">mysqli_real_connect</span><span style="color: #007700">(</span><span style="color: #0000BB">$db</span><span style="color: #007700">, </span><span style="color: #DD0000">"localhost"</span><span style="color: #007700">,</span><span style="color: #DD0000">"root"</span><span style="color: #007700">,</span><span style="color: #DD0000">""</span><span style="color: #007700">,</span><span style="color: #DD0000">"test"</span><span style="color: #007700">);<br /> </span><span style="color: #0000BB">var_dump</span><span style="color: #007700">(</span><span style="color: #0000BB">$db</span><span style="color: #007700">-></span><span style="color: #0000BB">get_charset</span><span style="color: #007700">());<br /></span><span style="color: #0000BB">?></span></span></code></div> </div> </div> <p class="para">The above example will output:</p> <div class="example-contents"><pre><div class="cdata"><pre>object(stdClass)#2 (7) { ["charset"]=> string(6) "latin1" ["collation"]=> string(17) "latin1_swedish_ci" ["dir"]=> string(0) "" ["min_length"]=> int(1) ["max_length"]=> int(1) ["number"]=> int(8) ["state"]=> int(801)}</pre></div> </pre></div> </div> <div class="refsect1 seealso"> <h3 class="title">See Also</h3> <p class="para"> <ul class="simplelist"> <li class="member"><b>mysqli_characters_set_name()</b></li> <li class="member"><a href="mysqli.set-charset.html" class="function" rel="rdfs-seeAlso">mysqli_set_charset()</a></li> </ul> </p> </div></div><hr /><div style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="mysqli.field-count.html">mysqli->field_count</a></div> <div class="next" style="text-align: right; float: right;"><a href="mysqli.get-client-info.html">mysqli::get_client_info</a></div> <div class="up"><a href="class.mysqli.html">MySQLi</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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