📄 function.mb-detect-order.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>Set/Get character encoding detection order</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.mb-detect-encoding.html">mb_detect_encoding</a></div> <div class="next" style="text-align: right; float: right;"><a href="function.mb-encode-mimeheader.html">mb_encode_mimeheader</a></div> <div class="up"><a href="ref.mbstring.html">Multibyte String Functions</a></div> <div class="home"><a href="index.html">PHP Manual</a></div></div><hr /><div id="function.mb-detect-order" class="refentry"> <div class="refnamediv"> <h1 class="refname">mb_detect_order</h1> <p class="verinfo">(PHP 4 >= 4.0.6, PHP 5)</p><p class="refpurpose"><span class="refname">mb_detect_order</span> — <span class="dc-title">Set/Get character encoding detection order</span></p> </div> <div class="refsect1 description"> <h3 class="title">Description</h3> <div class="methodsynopsis dc-description"> <span class="type"><a href="language.pseudo-types.html#language.types.mixed" class="type mixed">mixed</a></span> <span class="methodname"><b><b>mb_detect_order</b></b></span> ([ <span class="methodparam"><span class="type"><a href="language.pseudo-types.html#language.types.mixed" class="type mixed">mixed</a></span> <tt class="parameter">$encoding_list</tt></span> ] )</div> <p class="para rdfs-comment"> Sets the automatic character encoding detection order to <i><tt class="parameter">encoding_list</tt></i>. </p> </div> <div class="refsect1 parameters"> <h3 class="title">Parameters</h3> <p class="para"> <dl> <dt> <span class="term"><i><tt class="parameter">encoding_list</tt></i></span> <dd> <p class="para"> <i><tt class="parameter">encoding_list</tt></i> is an <a href="language.types.array.html" class="type array">array</a> or comma separated list of character encoding. ("auto" is expanded to "ASCII, JIS, UTF-8, EUC-JP, SJIS") </p> <p class="para"> If <i><tt class="parameter">encoding_list</tt></i> is omitted, it returns the current character encoding detection order as array. </p> <p class="para"> This setting affects <a href="function.mb-detect-encoding.html" class="function">mb_detect_encoding()</a> and <a href="function.mb-send-mail.html" class="function">mb_send_mail()</a>. </p> <p class="para"> <i>mbstring</i> currently implements the following encoding detection filters. If there is an invalid byte sequence for the following encodings, encoding detection will fail. </p> <span class="simpara"> <i>UTF-8</i>, <i>UTF-7</i>, <i>ASCII</i>, <i>EUC-JP</i>,<i>SJIS</i>, <i>eucJP-win</i>, <i>SJIS-win</i>, <i>JIS</i>, <i>ISO-2022-JP</i> </span> <p class="para"> For <i>ISO-8859-*</i>, <i>mbstring</i> always detects as <i>ISO-8859-*</i>. </p> <p class="para"> For <i>UTF-16</i>, <i>UTF-32</i>, <i>UCS2</i> and <i>UCS4</i>, encoding detection will fail always. </p> <p class="para"> <div class="example"> <p><b>Example #1 Useless detect order example</b></p> <div class="example-contents"><div class="cdata"><pre>; Always detect as ISO-8859-1detect_order = ISO-8859-1, UTF-8; Always detect as UTF-8, since ASCII/UTF-7 values are ; valid for UTF-8detect_order = UTF-8, ASCII, UTF-7</pre></div> </div> </div> </p> </dd> </dt> </dl> </p> </div> <div class="refsect1 returnvalues"> <h3 class="title">Return Values</h3> <p class="para"> Returns <b><tt>TRUE</tt></b> on success or <b><tt>FALSE</tt></b> on failure. </p> </div> <div class="refsect1 examples"> <h3 class="title">Examples</h3> <p class="para"> <div class="example"> <p><b>Example #2 <b>mb_detect_order()</b> examples</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">/* Set detection order by enumerated list */<br /></span><span style="color: #0000BB">mb_detect_order</span><span style="color: #007700">(</span><span style="color: #DD0000">"eucjp-win,sjis-win,UTF-8"</span><span style="color: #007700">);<br /><br /></span><span style="color: #FF8000">/* Set detection order by array */<br /></span><span style="color: #0000BB">$ary</span><span style="color: #007700">[] = </span><span style="color: #DD0000">"ASCII"</span><span style="color: #007700">;<br /></span><span style="color: #0000BB">$ary</span><span style="color: #007700">[] = </span><span style="color: #DD0000">"JIS"</span><span style="color: #007700">;<br /></span><span style="color: #0000BB">$ary</span><span style="color: #007700">[] = </span><span style="color: #DD0000">"EUC-JP"</span><span style="color: #007700">;<br /></span><span style="color: #0000BB">mb_detect_order</span><span style="color: #007700">(</span><span style="color: #0000BB">$ary</span><span style="color: #007700">);<br /><br /></span><span style="color: #FF8000">/* Display current detection order */<br /></span><span style="color: #007700">echo </span><span style="color: #0000BB">implode</span><span style="color: #007700">(</span><span style="color: #DD0000">", "</span><span style="color: #007700">, </span><span style="color: #0000BB">mb_detect_order</span><span style="color: #007700">());<br /></span><span style="color: #0000BB">?></span></span></code></div> </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.mb-internal-encoding.html" class="function" rel="rdfs-seeAlso">mb_internal_encoding()</a></li> <li class="member"><a href="function.mb-http-input.html" class="function" rel="rdfs-seeAlso">mb_http_input()</a></li> <li class="member"><a href="function.mb-http-output.html" class="function" rel="rdfs-seeAlso">mb_http_output()</a></li> <li class="member"><a href="function.mb-send-mail.html" class="function" rel="rdfs-seeAlso">mb_send_mail()</a></li> </ul> </p> </div></div><hr /><div style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="function.mb-detect-encoding.html">mb_detect_encoding</a></div> <div class="next" style="text-align: right; float: right;"><a href="function.mb-encode-mimeheader.html">mb_encode_mimeheader</a></div> <div class="up"><a href="ref.mbstring.html">Multibyte String 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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