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117 lines
5.9 KiB
HTML
117 lines
5.9 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>检测字符的编码</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.mb-detect-encoding" class="refentry">
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<div class="refnamediv">
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<h1 class="refname">mb_detect_encoding</h1>
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<p class="verinfo">(PHP 4 >= 4.0.6, PHP 5, PHP 7)</p><p class="refpurpose"><span class="refname">mb_detect_encoding</span> — <span class="dc-title">检测字符的编码</span></p>
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</div>
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<div class="refsect1 description" id="refsect1-function.mb-detect-encoding-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>mb_detect_encoding</strong></span>
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( <span class="methodparam"><span class="type">string</span> <code class="parameter">$str</code></span>
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[, <span class="methodparam"><span class="type"><a href="language.pseudo-types.html#language.types.mixed" class="type mixed">mixed</a></span> <code class="parameter">$encoding_list</code><span class="initializer"> = mb_detect_order()</span></span>
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[, <span class="methodparam"><span class="type">bool</span> <code class="parameter">$strict</code><span class="initializer"> = false</span></span>
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]] ) : <span class="type">string</span></div>
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<p class="para rdfs-comment">
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检测<span class="type"><span class="type 字符串">字符串</span></span> <code class="parameter">str</code> 的编码。
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</p>
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</div>
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<div class="refsect1 parameters" id="refsect1-function.mb-detect-encoding-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">str</code></dt>
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<dd>
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<p class="para">
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待检查的<span class="type"><span class="type 字符串">字符串</span></span>。
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</p>
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</dd>
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<dt>
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<code class="parameter">encoding_list</code></dt>
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<dd>
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<p class="para">
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<code class="parameter">encoding_list</code> 是一个字符编码列表。
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编码顺序可以由数组或者逗号分隔的列表字符串指定。
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</p>
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<p class="para">
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如果省略了 <code class="parameter">encoding_list</code> 将会使用 detect_order。
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</p>
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</dd>
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<dt>
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<code class="parameter">strict</code></dt>
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<dd>
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<p class="para">
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<code class="parameter">strict</code> 指定了是否严格地检测编码。
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默认是 <strong><code>FALSE</code></strong>。
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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.mb-detect-encoding-returnvalues">
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<h3 class="title">返回值</h3>
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<p class="para">
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检测到的字符编码，或者无法检测指定字符串的编码时返回 <strong><code>FALSE</code></strong>。
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</p>
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</div>
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<div class="refsect1 examples" id="refsect1-function.mb-detect-encoding-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-3179">
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<p><strong>Example #1 <span class="function"><strong>mb_detect_encoding()</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 /></span><span style="color: #FF8000">/* 使用当前的 detect_order 来检测字符编码 */<br /></span><span style="color: #007700">echo </span><span style="color: #0000BB">mb_detect_encoding</span><span style="color: #007700">(</span><span style="color: #0000BB">$str</span><span style="color: #007700">);<br /><br /></span><span style="color: #FF8000">/* "auto" 将根据 mbstring.language 来扩展 */<br /></span><span style="color: #007700">echo </span><span style="color: #0000BB">mb_detect_encoding</span><span style="color: #007700">(</span><span style="color: #0000BB">$str</span><span style="color: #007700">, </span><span style="color: #DD0000">"auto"</span><span style="color: #007700">);<br /><br /></span><span style="color: #FF8000">/* 通过逗号分隔的列表来指定编码列表 encoding_list */<br /></span><span style="color: #007700">echo </span><span style="color: #0000BB">mb_detect_encoding</span><span style="color: #007700">(</span><span style="color: #0000BB">$str</span><span style="color: #007700">, </span><span style="color: #DD0000">"JIS, eucjp-win, sjis-win"</span><span style="color: #007700">);<br /><br /></span><span style="color: #FF8000">/* 使用数组来指定编码列表 encoding_list */<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">$ary</span><span style="color: #007700">[] = </span><span style="color: #DD0000">"EUC-JP"</span><span style="color: #007700">;<br />echo </span><span style="color: #0000BB">mb_detect_encoding</span><span style="color: #007700">(</span><span style="color: #0000BB">$str</span><span style="color: #007700">, </span><span style="color: #0000BB">$ary</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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</div>
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<div class="refsect1 seealso" id="refsect1-function.mb-detect-encoding-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="mb_detect_order.html" class="function" rel="rdfs-seeAlso">mb_detect_order()</a> - 设置/获取 字符编码的检测顺序</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> |