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121 lines
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HTML
121 lines
5.3 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>转换一个或多个变量的字符编码</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-convert-variables" class="refentry">
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<div class="refnamediv">
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<h1 class="refname">mb_convert_variables</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_convert_variables</span> — <span class="dc-title">转换一个或多个变量的字符编码</span></p>
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</div>
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<div class="refsect1 description" id="refsect1-function.mb-convert-variables-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_convert_variables</strong></span>
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( <span class="methodparam"><span class="type">string</span> <code class="parameter">$to_encoding</code></span>
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, <span class="methodparam"><span class="type"><a href="language.pseudo-types.html#language.types.mixed" class="type mixed">mixed</a></span> <code class="parameter">$from_encoding</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 reference">&$vars</code></span>
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[, <span class="methodparam"><span class="type"><a href="language.pseudo-types.html#language.types.mixed" class="type mixed">mixed</a></span> <code class="parameter reference">&$...</code></span>
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] ) : <span class="type">string</span></div>
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<p class="para rdfs-comment">
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将变量 <code class="parameter">vars</code> 的编码从 <code class="parameter">from_encoding</code> 转换成编码 <code class="parameter">to_encoding</code>。
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</p>
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<p class="para">
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<span class="function"><strong>mb_convert_variables()</strong></span> 会拼接变量数组或对象中的字符串来检测编码，因为短字符串的检测往往会失败。因此，不能在一个数组或对象中混合使用编码。
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</p>
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</div>
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<div class="refsect1 parameters" id="refsect1-function.mb-convert-variables-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">to_encoding</code></dt>
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<dd>
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<p class="para">
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将 <span class="type"><a href="language.types.string.html" class="type string">string</a></span> 转换成这个编码。
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</p>
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</dd>
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<dt>
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<code class="parameter">from_encoding</code></dt>
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<dd>
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<p class="para">
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<code class="parameter">from_encoding</code> 可以指定为一个 <span class="type"><a href="language.types.array.html" class="type array">array</a></span> 或者逗号分隔的 <span class="type"><a href="language.types.string.html" class="type string">string</a></span>，它将尝试根据 <code class="parameter">from-coding</code> 来检测编码。
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当省略了 <code class="parameter">from_encoding</code>，将使用 <em>detect_order</em>。
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</p>
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</dd>
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<dt>
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<code class="parameter">vars</code></dt>
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<dd>
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<p class="para">
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<code class="parameter">vars</code> 是要转换的变量的引用。
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参数可以接受 String、Array 和 Object 的类型。
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<span class="function"><strong>mb_convert_variables()</strong></span> 假设所有的参数都具有同样的编码。
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</p>
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</dd>
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<dt>
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<code class="parameter">...</code></dt>
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<dd>
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<p class="para">
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额外的 <code class="parameter">vars</code>。
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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-convert-variables-returnvalues">
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<h3 class="title">返回值</h3>
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<p class="para">
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成功时返回转换前的字符编码，失败时返回 <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-convert-variables-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-3176">
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<p><strong>Example #1 <span class="function"><strong>mb_convert_variables()</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">/* 转换变量 $post1、$post2 编码为内部（internal）编码 */<br /></span><span style="color: #0000BB">$interenc </span><span style="color: #007700">= </span><span style="color: #0000BB">mb_internal_encoding</span><span style="color: #007700">();<br /></span><span style="color: #0000BB">$inputenc </span><span style="color: #007700">= </span><span style="color: #0000BB">mb_convert_variables</span><span style="color: #007700">(</span><span style="color: #0000BB">$interenc</span><span style="color: #007700">, </span><span style="color: #DD0000">"ASCII,UTF-8,SJIS-win"</span><span style="color: #007700">, </span><span style="color: #0000BB">$post1</span><span style="color: #007700">, </span><span style="color: #0000BB">$post2</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></div></div></body></html> |