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86 lines
3.8 KiB
HTML
86 lines
3.8 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>转义元字符集</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.quotemeta" class="refentry">
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<div class="refnamediv">
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<h1 class="refname">quotemeta</h1>
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<p class="verinfo">(PHP 4, PHP 5, PHP 7)</p><p class="refpurpose"><span class="refname">quotemeta</span> — <span class="dc-title">转义元字符集</span></p>
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</div>
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<div class="refsect1 description" id="refsect1-function.quotemeta-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>quotemeta</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="type">string</span></div>
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<p class="para rdfs-comment">
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返回 在下面这些特殊字符前加 反斜线(<em>\</em>) 转义后的字符串。
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这些特殊字符包含：
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<div class="example-contents screen">. \ + * ? [ ^ ] ( $ )</div>
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</p>
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</div>
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<div class="refsect1 parameters" id="refsect1-function.quotemeta-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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</dl>
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</p>
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</div>
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<div class="refsect1 returnvalues" id="refsect1-function.quotemeta-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 元字符集被转义后的 字符串，如果输入字符串<code class="parameter">str</code>为空，
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则返回 <strong><code>FALSE</code></strong>。
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</p>
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</div>
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<div class="refsect1 notes" id="refsect1-function.quotemeta-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.quotemeta-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="addslashes.html" class="function" rel="rdfs-seeAlso">addslashes()</a> - 使用反斜线引用字符串</span></li>
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<li class="member"><span class="function"><a href="addcslashes.html" class="function" rel="rdfs-seeAlso">addcslashes()</a> - 以 C 语言风格使用反斜线转义字符串中的字符</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="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="nl2br.html" class="function" rel="rdfs-seeAlso">nl2br()</a> - 在字符串所有新行之前插入 HTML 换行标记</span></li>
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<li class="member"><span class="function"><a href="stripslashes.html" class="function" rel="rdfs-seeAlso">stripslashes()</a> - 反引用一个引用字符串</span></li>
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<li class="member"><span class="function"><a href="stripcslashes.html" class="function" rel="rdfs-seeAlso">stripcslashes()</a> - 反引用一个使用 addcslashes 转义的字符串</span></li>
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<li class="member"><span class="function"><a href="ereg.html" class="function" rel="rdfs-seeAlso">ereg()</a> - 正则表达式匹配</span></li>
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<li class="member"><span class="function"><a href="preg_quote.html" class="function" rel="rdfs-seeAlso">preg_quote()</a> - 转义正则表达式字符</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> |