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155 lines
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HTML
155 lines
7.3 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>将字符串中每个单词的首字母转换为大写</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.ucwords" class="refentry">
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<div class="refnamediv">
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<h1 class="refname">ucwords</h1>
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<p class="verinfo">(PHP 4, PHP 5, PHP 7)</p><p class="refpurpose"><span class="refname">ucwords</span> — <span class="dc-title">将字符串中每个单词的首字母转换为大写</span></p>
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</div>
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<div class="refsect1 description" id="refsect1-function.ucwords-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>ucwords</strong></span>
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( <span class="methodparam"><span class="type">string</span> <code class="parameter">$str</code></span>
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[, <span class="methodparam">
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<span class="type">string</span> <code class="parameter">$delimiters</code><span class="initializer"> = " \t\r\n\f\v"</span>
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</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 <code class="parameter">str</code> 中每个单词的首字符（如果首字符是字母）转换为大写字母，并返回这个字符串。
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</p>
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<p class="para">
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这里单词的定义是紧跟在 <code class="parameter">delimiters</code> 参数（默认：空格符、制表符、换行符、回车符、水平线以及竖线）之后的子字符串。
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</p>
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</div>
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<div class="refsect1 parameters" id="refsect1-function.ucwords-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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输入字符串。
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</p>
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</dd>
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<dt>
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<code class="parameter">delimiters</code></dt>
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<dd>
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<p class="para">
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可选的 <code class="parameter">delimiters</code>，包含了单词分割字符。
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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.ucwords-returnvalues">
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<h3 class="title">返回值</h3>
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<p class="para">
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返回转换后的字符串。
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</p>
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</div>
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<div class="refsect1 changelog" id="refsect1-function.ucwords-changelog">
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<h3 class="title">更新日志</h3>
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<p class="para">
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<table class="doctable informaltable">
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<thead>
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<tr>
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<th>版本</th>
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<th>说明</th>
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</tr>
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</thead>
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<tbody class="tbody">
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<tr>
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<td>5.4.32, 5.5.16</td>
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<td>
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增加了 <code class="parameter">delimiters</code> 参数。
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</td>
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</tr>
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</tbody>
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</table>
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</p>
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</div>
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<div class="refsect1 examples" id="refsect1-function.ucwords-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-6003">
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<p><strong>Example #1 <span class="function"><strong>ucwords()</strong></span> 范例</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 />$foo </span><span style="color: #007700">= </span><span style="color: #DD0000">'hello world!'</span><span style="color: #007700">;<br /></span><span style="color: #0000BB">$foo </span><span style="color: #007700">= </span><span style="color: #0000BB">ucwords</span><span style="color: #007700">(</span><span style="color: #0000BB">$foo</span><span style="color: #007700">); </span><span style="color: #FF8000">// Hello World!<br /><br /></span><span style="color: #0000BB">$bar </span><span style="color: #007700">= </span><span style="color: #DD0000">'HELLO WORLD!'</span><span style="color: #007700">;<br /></span><span style="color: #0000BB">$bar </span><span style="color: #007700">= </span><span style="color: #0000BB">ucwords</span><span style="color: #007700">(</span><span style="color: #0000BB">$bar</span><span style="color: #007700">); </span><span style="color: #FF8000">// HELLO WORLD!<br /></span><span style="color: #0000BB">$bar </span><span style="color: #007700">= </span><span style="color: #0000BB">ucwords</span><span style="color: #007700">(</span><span style="color: #0000BB">strtolower</span><span style="color: #007700">(</span><span style="color: #0000BB">$bar</span><span style="color: #007700">)); </span><span style="color: #FF8000">// Hello World!<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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<p class="para">
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<div class="example" id="example-6004">
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<p><strong>Example #2 <span class="function"><strong>ucwords()</strong></span> 自定义 delimiters 的例子</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 />$foo </span><span style="color: #007700">= </span><span style="color: #DD0000">'hello|world!'</span><span style="color: #007700">;<br /></span><span style="color: #0000BB">$bar </span><span style="color: #007700">= </span><span style="color: #0000BB">ucwords</span><span style="color: #007700">(</span><span style="color: #0000BB">$foo</span><span style="color: #007700">); </span><span style="color: #FF8000">// Hello|world!<br /><br /></span><span style="color: #0000BB">$baz </span><span style="color: #007700">= </span><span style="color: #0000BB">ucwords</span><span style="color: #007700">(</span><span style="color: #0000BB">$foo</span><span style="color: #007700">, </span><span style="color: #DD0000">"|"</span><span style="color: #007700">); </span><span style="color: #FF8000">// Hello|World!<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 notes" id="refsect1-function.ucwords-notes">
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<h3 class="title">注释</h3>
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<blockquote class="note"><p><strong class="note">Note</strong>: <span class="simpara">此函数可安全用于二进制对象。</span></p></blockquote>
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</div>
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<div class="refsect1 seealso" id="refsect1-function.ucwords-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="strtoupper.html" class="function" rel="rdfs-seeAlso">strtoupper()</a> - 将字符串转化为大写</span></li>
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<li class="member"><span class="function"><a href="strtolower.html" class="function" rel="rdfs-seeAlso">strtolower()</a> - 将字符串转化为小写</span></li>
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<li class="member"><span class="function"><a href="ucfirst.html" class="function" rel="rdfs-seeAlso">ucfirst()</a> - 将字符串的首字母转换为大写</span></li>
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<li class="member"><span class="function"><a href="mb_convert_case.html" class="function" rel="rdfs-seeAlso">mb_convert_case()</a> - 对字符串进行大小写转换</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> |