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php-manual-zh-5.2.4-1mdv2008.1.noarch.rpm

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>octdec</H1
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NAME="AEN108902"
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><P
>    (PHP 3, PHP 4, PHP 5)</P
>octdec&nbsp;--&nbsp;八进制转换为十进制</DIV
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NAME="AEN108905"
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><H2
>说明</H2
>number <B
CLASS="methodname"
>octdec</B
> ( string octal_string )<BR
></BR
><P
>&#13;     返回 <CODE
CLASS="parameter"
>octal_string</CODE
>
     参数所表示的八进制数的十进制等值。可转换的最大的数值为
     17777777777 或十进制的 2147483647。PHP 4.1.0
     开始,该函数可以处理大数字,这种情况下,它会返回 <A
HREF="language.types.float.html"
><B
CLASS="type"
>float</B
></A
> 类型。
    </P
><P
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><B
>例 1. <B
CLASS="function"
>octdec()</B
> 范例</B
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><code><font color="#000000">
<font color="#0000BB">&lt;?php<br /></font><font color="#007700">echo </font><font color="#0000BB">octdec</font><font color="#007700">(</font><font color="#DD0000">'77'</font><font color="#007700">) . </font><font color="#DD0000">"\n"</font><font color="#007700">;<br />echo </font><font color="#0000BB">octdec</font><font color="#007700">(</font><font color="#0000BB">decoct</font><font color="#007700">(</font><font color="#0000BB">45</font><font color="#007700">));<br /></font><font color="#0000BB">?&gt;</font>
</font>
</code></TD
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>上例将输出:</P
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45</PRE
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>
    </P
><P
>&#13;     参见 <A
HREF="function.decoct.html"
><B
CLASS="function"
>decoct()</B
></A
><A
HREF="function.bindec.html"
><B
CLASS="function"
>bindec()</B
></A
>,<A
HREF="function.hexdec.html"
><B
CLASS="function"
>hexdec()</B
></A
>
     和 <A
HREF="function.base-convert.html"
><B
CLASS="function"
>base_convert()</B
></A
>.。
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