Sophie: php-manual-zh-5.2.4-1mdv2008.1 noarch

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

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>bcdiv</H1
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></A
><P
>    (PHP 3, PHP 4, PHP 5)</P
>bcdiv&nbsp;--&nbsp;Divide two arbitrary precision numbers</DIV
><DIV
CLASS="refsect1"
><A
NAME="AEN14105"
></A
><H2
>说明</H2
>string <B
CLASS="methodname"
>bcdiv</B
> ( string left_operand, string right_operand [, int scale] )<BR
></BR
><P
>&#13;   Divides the <CODE
CLASS="parameter"
>left_operand</CODE
> by the
   <CODE
CLASS="parameter"
>right_operand</CODE
>.
  </P
></DIV
><DIV
CLASS="refsect1"
><A
NAME="AEN14122"
></A
><H2
>参数</H2
><P
>&#13;   <P
></P
><DIV
CLASS="variablelist"
><DL
><DT
><CODE
CLASS="parameter"
>left_operand</CODE
></DT
><DD
><P
>&#13;       The left operand, as a string.
      </P
></DD
><DT
><CODE
CLASS="parameter"
>right_operand</CODE
></DT
><DD
><P
>&#13;       The right operand, as a string.
      </P
></DD
><DT
><CODE
CLASS="parameter"
>&#13;scale</CODE
></DT
><DD
><P
>This optional parameter is used to set the number
of digits after the decimal place in the result. You can also set the global default scale
for all functions by using <A
HREF="function.bcscale.html"
><B
CLASS="function"
>bcscale()</B
></A
>.</P
></DD
></DL
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>
  </P
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><A
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></A
><H2
>返回值</H2
><P
>&#13;   Returns the result of the division as a string, or <TT
CLASS="constant"
><B
>NULL</B
></TT
> if 
   <CODE
CLASS="parameter"
>right_operand</CODE
> is 0.
  </P
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>范例</H2
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><B
>例 1. <B
CLASS="function"
>bcdiv()</B
> example</B
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><code><font color="#000000">
<font color="#0000BB">&lt;?php<br /><br /></font><font color="#007700">echo </font><font color="#0000BB">bcdiv</font><font color="#007700">(</font><font color="#DD0000">'105'</font><font color="#007700">, </font><font color="#DD0000">'6.55957'</font><font color="#007700">, </font><font color="#0000BB">3</font><font color="#007700">);&nbsp;&nbsp;</font><font color="#FF8000">// 16.007<br /><br /></font><font color="#0000BB">?&gt;</font>
</font>
</code></TD
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><H2
>参见</H2
><P
>&#13;   <P
></P
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