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116 lines
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HTML
116 lines
7.1 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>获取当前 magic_quotes_gpc 的配置选项设置</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.get-magic-quotes-gpc" class="refentry">
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<div class="refnamediv">
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<h1 class="refname">get_magic_quotes_gpc</h1>
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<p class="verinfo">(PHP 4, PHP 5, PHP 7)</p><p class="refpurpose"><span class="refname">get_magic_quotes_gpc</span> — <span class="dc-title">获取当前 magic_quotes_gpc 的配置选项设置</span></p>
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</div>
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<div class="refsect1 description" id="refsect1-function.get-magic-quotes-gpc-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>get_magic_quotes_gpc</strong></span>
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( <span class="methodparam">void</span>
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) : <span class="type">bool</span></div>
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<p class="para rdfs-comment">
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返回当前 <a href="info.configuration.html#ini.magic-quotes-gpc" class="link">magic_quotes_gpc</a> 配置选项的设置
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</p>
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<p class="para">
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记住，尝试在运行时设置 <a href="info.configuration.html#ini.magic-quotes-gpc" class="link">
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magic_quotes_gpc</a> 将不会生效。
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</p>
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<p class="para">
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更多关于 magic_quotes 的信息参见<a href="security.magicquotes.html" class="link">安全</a>一章。
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</p>
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</div>
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<div class="refsect1 returnvalues" id="refsect1-function.get-magic-quotes-gpc-returnvalues">
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<h3 class="title">返回值</h3>
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<p class="para">
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如果 magic_quotes_gpc 为关闭时返回 0，否则返回 1。在 PHP 5.4.O 起将始终返回 <strong><code>FALSE</code></strong>。
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</p>
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</div>
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<div class="refsect1 changelog" id="refsect1-function.get-magic-quotes-gpc-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>5.4.0</td>
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<td>
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始终返回 <strong><code>FALSE</code></strong>，因为这个魔术引号功能已经从 PHP 中移除了。
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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.get-magic-quotes-gpc-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-501">
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<p><strong>Example #1 <span class="function"><strong>get_magic_quotes_gpc()</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">// 如果启用了魔术引号<br /></span><span style="color: #007700">echo </span><span style="color: #0000BB">$_POST</span><span style="color: #007700">[</span><span style="color: #DD0000">'lastname'</span><span style="color: #007700">]; </span><span style="color: #FF8000">// O\'reilly<br /></span><span style="color: #007700">echo </span><span style="color: #0000BB">addslashes</span><span style="color: #007700">(</span><span style="color: #0000BB">$_POST</span><span style="color: #007700">[</span><span style="color: #DD0000">'lastname'</span><span style="color: #007700">]); </span><span style="color: #FF8000">// O\\\'reilly<br /><br />// 适用各个 PHP 版本的用法<br /></span><span style="color: #007700">if (</span><span style="color: #0000BB">get_magic_quotes_gpc</span><span style="color: #007700">()) {<br /> </span><span style="color: #0000BB">$lastname </span><span style="color: #007700">= </span><span style="color: #0000BB">stripslashes</span><span style="color: #007700">(</span><span style="color: #0000BB">$_POST</span><span style="color: #007700">[</span><span style="color: #DD0000">'lastname'</span><span style="color: #007700">]);<br />}<br />else {<br /> </span><span style="color: #0000BB">$lastname </span><span style="color: #007700">= </span><span style="color: #0000BB">$_POST</span><span style="color: #007700">[</span><span style="color: #DD0000">'lastname'</span><span style="color: #007700">];<br />}<br /><br /></span><span style="color: #FF8000">// 如果使用 MySQL<br /></span><span style="color: #0000BB">$lastname </span><span style="color: #007700">= </span><span style="color: #0000BB">mysql_real_escape_string</span><span style="color: #007700">(</span><span style="color: #0000BB">$lastname</span><span style="color: #007700">);<br /><br />echo </span><span style="color: #0000BB">$lastname</span><span style="color: #007700">; </span><span style="color: #FF8000">// O\'reilly<br /></span><span style="color: #0000BB">$sql </span><span style="color: #007700">= </span><span style="color: #DD0000">"INSERT INTO lastnames (lastname) VALUES ('</span><span style="color: #0000BB">$lastname</span><span style="color: #DD0000">')"</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 class="refsect1 notes" id="refsect1-function.get-magic-quotes-gpc-notes">
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<h3 class="title">注释</h3>
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<blockquote class="note"><p><strong class="note">Note</strong>:
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<p class="para">
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如果指令 <a href="sybase.configuration.html#ini.magic-quotes-sybase" class="link">
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magic_quotes_sybase</a> 为 ON，它会完全覆盖 <a href="info.configuration.html#ini.magic-quotes-gpc" class="link">magic_quotes_gpc</a>。
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所以即使 <span class="function"><strong>get_magic_quotes_gpc()</strong></span> 返回 <strong><code>TRUE</code></strong>，双引号、反斜杠或 NUL 都不会被转义。
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只有单引号会被转义。
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这种情况下它们看上去像：<em class="emphasis">''</em>
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</p>
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</p></blockquote>
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</div>
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<div class="refsect1 seealso" id="refsect1-function.get-magic-quotes-gpc-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="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="get_magic_quotes_runtime.html" class="function" rel="rdfs-seeAlso">get_magic_quotes_runtime()</a> - 获取当前 magic_quotes_runtime 配置选项的激活状态</span></li>
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<li class="member"><span class="function"><a href="ini_get.html" class="function" rel="rdfs-seeAlso">ini_get()</a> - 获取一个配置选项的值</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> |