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119 lines
4.6 KiB
HTML
119 lines
4.6 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>八进制转换为十进制</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.octdec" class="refentry">
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<div class="refnamediv">
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<h1 class="refname">octdec</h1>
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<p class="verinfo">(PHP 4, PHP 5, PHP 7)</p><p class="refpurpose"><span class="refname">octdec</span> — <span class="dc-title">八进制转换为十进制</span></p>
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</div>
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<div class="refsect1 description" id="refsect1-function.octdec-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>octdec</strong></span>
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( <span class="methodparam"><span class="type">string</span> <code class="parameter">$octal_string</code></span>
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) : <span class="type"><a href="language.pseudo-types.html#language.types.number" class="type number">number</a></span></div>
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<p class="para rdfs-comment">
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返回 <code class="parameter">octal_string</code>
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参数所表示的八进制数的十进制等值。
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</p>
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</div>
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<div class="refsect1 parameters" id="refsect1-function.octdec-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">octal_string</code></dt>
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<dd>
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<p class="para">
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要转换的八进制的字符串
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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.octdec-returnvalues">
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<h3 class="title">返回值</h3>
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<p class="para">
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<code class="parameter">octal_string</code> 的十进制的表示
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</p>
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</div>
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<div class="refsect1 changelog" id="refsect1-function.octdec-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>4.1.0</td>
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<td>
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该函数可以处理 <span class="type"><a href="language.types.integer.html" class="type integer">integer</a></span> 大数字，这种情况下，它会返回 <span class="type"><a href="language.types.float.html" class="type float">float</a></span> 类型。
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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.octdec-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-4137">
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<p><strong>Example #1 <span class="function"><strong>octdec()</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: #007700">echo </span><span style="color: #0000BB">octdec</span><span style="color: #007700">(</span><span style="color: #DD0000">'77'</span><span style="color: #007700">) . </span><span style="color: #DD0000">"\n"</span><span style="color: #007700">;<br />echo </span><span style="color: #0000BB">octdec</span><span style="color: #007700">(</span><span style="color: #0000BB">decoct</span><span style="color: #007700">(</span><span style="color: #0000BB">45</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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63
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45
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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.octdec-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="decoct.html" class="function" rel="rdfs-seeAlso">decoct()</a> - 十进制转换为八进制</span></li>
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<li class="member"><span class="function"><a href="bindec.html" class="function" rel="rdfs-seeAlso">bindec()</a> - 二进制转换为十进制</span></li>
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<li class="member"><span class="function"><a href="hexdec.html" class="function" rel="rdfs-seeAlso">hexdec()</a> - 十六进制转换为十进制</span></li>
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<li class="member"><span class="function"><a href="base_convert.html" class="function" rel="rdfs-seeAlso">base_convert()</a> - 在任意进制之间转换数字</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> |