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84 lines
3.2 KiB
HTML
84 lines
3.2 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>返回字符串的字符数统计</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.iconv-strlen" class="refentry">
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<div class="refnamediv">
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<h1 class="refname">iconv_strlen</h1>
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<p class="verinfo">(PHP 5, PHP 7)</p><p class="refpurpose"><span class="refname">iconv_strlen</span> — <span class="dc-title">返回字符串的字符数统计</span></p>
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</div>
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<div class="refsect1 description" id="refsect1-function.iconv-strlen-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>iconv_strlen</strong></span>
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( <span class="methodparam"><span class="type">string</span> <code class="parameter">$str</code></span>
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[, <span class="methodparam"><span class="type">string</span> <code class="parameter">$charset</code><span class="initializer"> = ini_get("iconv.internal_encoding")</span></span>
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] ) : <span class="type">int</span></div>
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<p class="para rdfs-comment">
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和 <span class="function"><a href="strlen.html" class="function">strlen()</a></span> 不同的是，<span class="function"><strong>iconv_strlen()</strong></span> 统计了给定的字节序列 <code class="parameter">str</code> 中出现字符数的统计，基于指定的字符集，其产生的结果不一定和字符字节数相等。
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</p>
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</div>
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<div class="refsect1 parameters" id="refsect1-function.iconv-strlen-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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该字符串。
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</p>
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</dd>
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<dt>
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<code class="parameter">charset</code></dt>
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<dd>
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<p class="para">
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如果省略了 <code class="parameter">charset</code> 参数，假设 <code class="parameter">str</code> 的编码为 <a href="iconv.configuration.html" class="link">iconv.internal_encoding</a>。
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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.iconv-strlen-returnvalues">
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<h3 class="title">返回值</h3>
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<p class="para">
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返回 <code class="parameter">str</code> 字符数的统计，是整型。
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</p>
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</div>
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<div class="refsect1 seealso" id="refsect1-function.iconv-strlen-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="grapheme_strlen.html" class="function" rel="rdfs-seeAlso">grapheme_strlen()</a> - Get string length in grapheme units</span></li>
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<li class="member"><span class="function"><a href="mb_strlen.html" class="function" rel="rdfs-seeAlso">mb_strlen()</a> - 获取字符串的长度</span></li>
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<li class="member"><span class="function"><a href="strlen.html" class="function" rel="rdfs-seeAlso">strlen()</a> - 获取字符串长度</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> |