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96 lines
3.5 KiB
HTML
96 lines
3.5 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>对一个任意精度数字取模</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.bcmod" class="refentry">
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<div class="refnamediv">
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<h1 class="refname">bcmod</h1>
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<p class="verinfo">(PHP 4, PHP 5, PHP 7)</p><p class="refpurpose"><span class="refname">bcmod</span> — <span class="dc-title">对一个任意精度数字取模</span></p>
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</div>
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<div class="refsect1 description" id="refsect1-function.bcmod-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>bcmod</strong></span>
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( <span class="methodparam"><span class="type">string</span> <code class="parameter">$left_operand</code></span>
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, <span class="methodparam"><span class="type">string</span> <code class="parameter">$modulus</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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对左操作数使用<code class="parameter">系数</code>取模
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</p>
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</div>
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<div class="refsect1 parameters" id="refsect1-function.bcmod-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">left_operand</code></dt>
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<dd>
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<p class="para">
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字符串类型的左操作数
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</p>
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</dd>
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<dt>
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<code class="parameter">modulus</code></dt>
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<dd>
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<p class="para">
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字符串类型系数
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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.bcmod-returnvalues">
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<h3 class="title">返回值</h3>
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<p class="para">
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返回字符串类型取模后结果，如果系数为0则返回null
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</p>
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</div>
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<div class="refsect1 examples" id="refsect1-function.bcmod-examples">
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<h3 class="title">范例</h3>
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<div class="example" id="example-4054">
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<p><strong>Example #1 <span class="function"><strong>bcmod()</strong></span> example</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">bcmod</span><span style="color: #007700">(</span><span style="color: #DD0000">'4'</span><span style="color: #007700">, </span><span style="color: #DD0000">'2'</span><span style="color: #007700">); </span><span style="color: #FF8000">// 0<br /></span><span style="color: #007700">echo </span><span style="color: #0000BB">bcmod</span><span style="color: #007700">(</span><span style="color: #DD0000">'2'</span><span style="color: #007700">, </span><span style="color: #DD0000">'4'</span><span style="color: #007700">); </span><span style="color: #FF8000">// 2<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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</div>
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<div class="refsect1 seealso" id="refsect1-function.bcmod-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="bcdiv.html" class="function" rel="rdfs-seeAlso">bcdiv()</a> - 2个任意精度的数字除法计算</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> |