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96 lines
5.7 KiB
HTML
96 lines
5.7 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>恢复配置选项的值</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.ini-restore" class="refentry">
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<div class="refnamediv">
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<h1 class="refname">ini_restore</h1>
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<p class="verinfo">(PHP 4, PHP 5, PHP 7)</p><p class="refpurpose"><span class="refname">ini_restore</span> — <span class="dc-title">恢复配置选项的值</span></p>
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</div>
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<div class="refsect1 description" id="refsect1-function.ini-restore-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>ini_restore</strong></span>
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( <span class="methodparam"><span class="type">string</span> <code class="parameter">$varname</code></span>
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) : <span class="type"><span class="type void">void</span></span></div>
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<p class="para rdfs-comment">
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恢复指定的配置选项到它的原始值。
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</p>
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</div>
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<div class="refsect1 parameters" id="refsect1-function.ini-restore-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">varname</code></dt>
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<dd>
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<p class="para">
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配置选项名称。
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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.ini-restore-returnvalues">
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<h3 class="title">返回值</h3>
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<p class="para">
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没有返回值。
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</p>
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</div>
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<div class="refsect1 examples" id="refsect1-function.ini-restore-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-515">
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<p><strong>Example #1 <span class="function"><strong>ini_restore()</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 />$setting </span><span style="color: #007700">= </span><span style="color: #DD0000">'y2k_compliance'</span><span style="color: #007700">;<br /><br />echo </span><span style="color: #DD0000">'Current value for \'' </span><span style="color: #007700">. </span><span style="color: #0000BB">$setting </span><span style="color: #007700">. </span><span style="color: #DD0000">'\': ' </span><span style="color: #007700">. </span><span style="color: #0000BB">ini_get</span><span style="color: #007700">(</span><span style="color: #0000BB">$setting</span><span style="color: #007700">), </span><span style="color: #0000BB">PHP_EOL</span><span style="color: #007700">;<br /><br /></span><span style="color: #0000BB">ini_set</span><span style="color: #007700">(</span><span style="color: #0000BB">$setting</span><span style="color: #007700">, </span><span style="color: #0000BB">ini_get</span><span style="color: #007700">(</span><span style="color: #0000BB">$setting</span><span style="color: #007700">) ? </span><span style="color: #0000BB">0 </span><span style="color: #007700">: </span><span style="color: #0000BB">1</span><span style="color: #007700">);<br />echo </span><span style="color: #DD0000">'New value for \'' </span><span style="color: #007700">. </span><span style="color: #0000BB">$setting </span><span style="color: #007700">. </span><span style="color: #DD0000">'\': ' </span><span style="color: #007700">. </span><span style="color: #0000BB">ini_get</span><span style="color: #007700">(</span><span style="color: #0000BB">$setting</span><span style="color: #007700">), </span><span style="color: #0000BB">PHP_EOL</span><span style="color: #007700">;<br /><br /></span><span style="color: #0000BB">ini_restore</span><span style="color: #007700">(</span><span style="color: #0000BB">$setting</span><span style="color: #007700">);<br />echo </span><span style="color: #DD0000">'Original value for \'' </span><span style="color: #007700">. </span><span style="color: #0000BB">$setting </span><span style="color: #007700">. </span><span style="color: #DD0000">'\': ' </span><span style="color: #007700">. </span><span style="color: #0000BB">ini_get</span><span style="color: #007700">(</span><span style="color: #0000BB">$setting</span><span style="color: #007700">), </span><span style="color: #0000BB">PHP_EOL</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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Current value for 'y2k_compliance': 1
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New value for 'y2k_compliance': 0
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Original value for 'y2k_compliance': 1
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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 seealso" id="refsect1-function.ini-restore-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="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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<li class="member"><span class="function"><a href="ini_get_all.html" class="function" rel="rdfs-seeAlso">ini_get_all()</a> - 获取所有配置选项</span></li>
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<li class="member"><span class="function"><a href="ini_set.html" class="function" rel="rdfs-seeAlso">ini_set()</a> - 为一个配置选项设置值</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> |