mirror of
https://github.com/fofolee/uTools-Manuals.git
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175 lines
6.2 KiB
HTML
175 lines
6.2 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>在字符串所有新行之前插入 HTML 换行标记</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.nl2br" class="refentry">
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<div class="refnamediv">
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<h1 class="refname">nl2br</h1>
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<p class="verinfo">(PHP 4, PHP 5, PHP 7)</p><p class="refpurpose"><span class="refname">nl2br</span> — <span class="dc-title">在字符串所有新行之前插入 HTML 换行标记</span></p>
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</div>
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<div class="refsect1 description" id="refsect1-function.nl2br-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>nl2br</strong></span>
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( <span class="methodparam"><span class="type">string</span> <code class="parameter">$string</code></span>
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[, <span class="methodparam"><span class="type">bool</span> <code class="parameter">$is_xhtml</code><span class="initializer"> = <strong><code>TRUE</code></strong></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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在字符串 <code class="parameter">string</code> 所有新行之前插入 <code class="code">'<br />'</code> 或 <code class="code">'<br>'</code>，并返回。
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</p>
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</div>
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<div class="refsect1 parameters" id="refsect1-function.nl2br-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">string</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">is_xhtml</code></dt>
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<dd>
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<p class="para">
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是否使用 XHTML 兼容换行符。
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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.nl2br-returnvalues">
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<h3 class="title">返回值</h3>
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<p class="para">
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返回调整后的字符串。
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</p>
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</div>
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<div class="refsect1 examples" id="refsect1-function.nl2br-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-5925">
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<p><strong>Example #1 <span class="function"><strong>nl2br()</strong></span> 使用范例</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 /></span><span style="color: #007700">echo </span><span style="color: #0000BB">nl2br</span><span style="color: #007700">(</span><span style="color: #DD0000">"foo isn't\n bar"</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 class="example-contents"><p>以上例程会输出：</p></div>
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<div class="example-contents screen">
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<div class="cdata"><pre>
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foo isn't<br />
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bar
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</pre></div>
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</div>
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</div>
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<div class="example" id="example-5926">
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<p><strong>Example #2 使用 <code class="parameter">is_xhtml</code> 生成合法的 HTML 标记</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: #007700">echo </span><span style="color: #0000BB">nl2br</span><span style="color: #007700">(</span><span style="color: #DD0000">"Welcome\r\nThis is my HTML document"</span><span style="color: #007700">, </span><span style="color: #0000BB">false</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 class="example-contents"><p>以上例程会输出：</p></div>
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<div class="example-contents screen">
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<div class="cdata"><pre>
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Welcome<br>
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This is my HTML document
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</pre></div>
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</div>
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</div>
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<div class="example" id="example-5927">
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<p><strong>Example #3 各种换行分隔符</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 />$string </span><span style="color: #007700">= </span><span style="color: #DD0000">"This\r\nis\n\ra\nstring\r"</span><span style="color: #007700">;<br />echo </span><span style="color: #0000BB">nl2br</span><span style="color: #007700">(</span><span style="color: #0000BB">$string</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 class="example-contents"><p>以上例程会输出：</p></div>
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<div class="example-contents screen">
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<div class="cdata"><pre>
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This<br />
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is<br />
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a<br />
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string<br />
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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 changelog" id="refsect1-function.nl2br-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>5.3.0</td>
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<td>
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新增可选的 <code class="parameter">is_xhtml</code> 参数。在此之前，总是插入 '<br />'。
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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 seealso" id="refsect1-function.nl2br-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="htmlspecialchars.html" class="function" rel="rdfs-seeAlso">htmlspecialchars()</a> - 将特殊字符转换为 HTML 实体</span></li>
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<li class="member"><span class="function"><a href="htmlentities.html" class="function" rel="rdfs-seeAlso">htmlentities()</a> - 将字符转换为 HTML 转义字符</span></li>
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<li class="member"><span class="function"><a href="wordwrap.html" class="function" rel="rdfs-seeAlso">wordwrap()</a> - 打断字符串为指定数量的字串</span></li>
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<li class="member"><span class="function"><a href="str_replace.html" class="function" rel="rdfs-seeAlso">str_replace()</a> - 子字符串替换</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> |