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

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

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>number_format</H1
><DIV
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><A
NAME="AEN226311"
></A
><P
>    (PHP 3, PHP 4, PHP 5)</P
>number_format&nbsp;--&nbsp;Format a number with grouped thousands</DIV
><DIV
CLASS="refsect1"
><A
NAME="AEN226314"
></A
><H2
>Description</H2
>string <B
CLASS="methodname"
>number_format</B
> ( float number [, int decimals [, string dec_point, string thousands_sep]] )<BR
></BR
><P
>&#13;     <B
CLASS="function"
>number_format()</B
> returns a formatted version of
     <CODE
CLASS="parameter"
>number</CODE
>.  This function accepts either one,
     two or four parameters (not three):
    </P
><P
>If only one parameter is given,
     <CODE
CLASS="parameter"
>number</CODE
> will be formatted without decimals,
     but with a comma (",") between every group of thousands.
    </P
><P
>&#13;     If two parameters are given, <CODE
CLASS="parameter"
>number</CODE
> will
     be formatted with <CODE
CLASS="parameter"
>decimals</CODE
> decimals with a
     dot (".") in front, and a comma (",") between every group of
     thousands.
    </P
><P
>&#13;     If all four parameters are given, <CODE
CLASS="parameter"
>number</CODE
>
     will be formatted with <CODE
CLASS="parameter"
>decimals</CODE
> decimals,
     <CODE
CLASS="parameter"
>dec_point</CODE
> instead of a dot (".") before
     the decimals and <CODE
CLASS="parameter"
>thousands_sep</CODE
> instead of
     a comma (",") between every group of thousands.
    </P
><P
>&#13;     Only the first character of <CODE
CLASS="parameter"
>thousands_sep</CODE
>
     is used.  For example, if you use <TT
CLASS="literal"
>bar</TT
> as
     <CODE
CLASS="parameter"
>thousands_sep</CODE
> on the number
     <TT
CLASS="literal"
>1000</TT
>, <B
CLASS="function"
>number_format()</B
> will
     return <TT
CLASS="literal"
>1b000</TT
>.
    </P
><P
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></A
><P
><B
>例 1. <B
CLASS="function"
>number_format()</B
> Example</B
></P
><P
>&#13;       For instance, French notation usually use two decimals,
       comma (',') as decimal separator, and space (' ') as
       thousand separator. This is achieved with this line :
      </P
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><code><font color="#000000">
<font color="#0000BB">&lt;?php<br /><br />$number </font><font color="#007700">= </font><font color="#0000BB">1234.56</font><font color="#007700">;<br /><br /></font><font color="#FF8000">// english notation (default)<br /></font><font color="#0000BB">$english_format_number </font><font color="#007700">= </font><font color="#0000BB">number_format</font><font color="#007700">(</font><font color="#0000BB">$number</font><font color="#007700">);<br /></font><font color="#FF8000">// 1,235<br /><br />// French notation<br /></font><font color="#0000BB">$nombre_format_francais </font><font color="#007700">= </font><font color="#0000BB">number_format</font><font color="#007700">(</font><font color="#0000BB">$number</font><font color="#007700">, </font><font color="#0000BB">2</font><font color="#007700">, </font><font color="#DD0000">','</font><font color="#007700">, </font><font color="#DD0000">' '</font><font color="#007700">);<br /></font><font color="#FF8000">// 1 234,56<br /><br /></font><font color="#0000BB">$number </font><font color="#007700">= </font><font color="#0000BB">1234.5678</font><font color="#007700">;<br /><br /></font><font color="#FF8000">// english notation without thousands seperator<br /></font><font color="#0000BB">$english_format_number </font><font color="#007700">= </font><font color="#0000BB">number_format</font><font color="#007700">(</font><font color="#0000BB">$number</font><font color="#007700">, </font><font color="#0000BB">2</font><font color="#007700">, </font><font color="#DD0000">'.'</font><font color="#007700">, </font><font color="#DD0000">''</font><font color="#007700">);<br /></font><font color="#FF8000">// 1234.57<br /><br /></font><font color="#0000BB">?&gt;</font>
</font>
</code></TD
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>
    </P
><P
>&#13;     See also: <A
HREF="function.money-format.html"
><B
CLASS="function"
>money_format()</B
></A
>, <A
HREF="function.sprintf.html"
><B
CLASS="function"
>sprintf()</B
></A
>,
     <A
HREF="function.printf.html"
><B
CLASS="function"
>printf()</B
></A
> and <A
HREF="function.sscanf.html"
><B
CLASS="function"
>sscanf()</B
></A
>.
    </P
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