decoct.xml

<?xml version="1.0" encoding="utf-8"?>
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<refentry xml:id="function.decoct" xmlns="http://docbook.org/ns/docbook">
 <refnamediv>
  <refname>decoct</refname>
   <refpurpose>十进制转换为八进制</refpurpose>
 </refnamediv>
 <refsect1 role="description">
  &reftitle.description;
  <methodsynopsis>
   <type>string</type><methodname>decoct</methodname>
   <methodparam><type>int</type><parameter>num</parameter></methodparam>
  </methodsynopsis>
  <para>
   返回一字符串，包含有给定 <parameter>num</parameter> 参数的八进制表示。可以转换的最大数字取决于平台。对于
   32 位平台通常是十进制的 <literal>4294967295</literal>，结果是 <literal>37777777777</literal>。对于
   64 位平台通常是十进制的 <literal>9223372036854775807</literal>，结果是 <literal>777777777777777777777</literal>。
  </para>
 </refsect1>
 <refsect1 role="parameters">
  &reftitle.parameters;
  <para>
   <variablelist>
    <varlistentry>
     <term><parameter>num</parameter></term>
     <listitem>
      <para>
       待转换的十进制值
      </para>
     </listitem>
    </varlistentry>
   </variablelist>
  </para>
 </refsect1>
 <refsect1 role="returnvalues">
  &reftitle.returnvalues;
  <para>
   <parameter>num</parameter> 参数八进制表示的字符串。
  </para>
 </refsect1>
 <refsect1 role="examples">
  &reftitle.examples;
  <para>
   <example>
    <title><function>decoct</function> 示例</title>
    <programlisting role="php">
<![CDATA[
<?php
echo decoct(15) . "\n";
echo decoct(264);
?>
]]>
    </programlisting>
    &example.outputs;
    <screen>
<![CDATA[
17
410
]]>
    </screen>
   </example>
  </para>
 </refsect1>
 <refsect1 role="seealso">
  &reftitle.seealso;
  <para>
   <simplelist>
    <member><function>octdec</function></member>
    <member><function>decbin</function></member>
    <member><function>dechex</function></member>
    <member><function>base_convert</function></member>
   </simplelist>
  </para>
 </refsect1>
</refentry>
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