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                                 number_format

   (PHP 3, PHP 4 )
   number_format -- Format a number with grouped thousands

Description

   string number_format ( float number [, int decimals])
   string number_format ( float number, int decimals, string dec_point,
   string thousands_sep)

   number_format() returns a formatted version of number. This function
   accepts either one, two or four parameters (not three):

   If only one parameter is given, number will be formatted without
   decimals, but with a comma (",") between every group of thousands.

   If two parameters are given, number will be formatted with decimals
   decimals with a dot (".") in front, and a comma (",") between every
   group of thousands.

   If all four parameters are given, number will be formatted with
   decimals decimals, dec_point instead of a dot (".") before the
   decimals and thousands_sep instead of a comma (",") between every
   group of thousands.

   Only the first character of thousands_sep is used. For example, if you
   use foo as thousands_sep on the number 1000, number_format() will
   return 1f000.

   Example 1. number_format() Example

   For instance, French notation usually use two decimals, comma (',') as
   decimal separator, and space (' ') as thousand separator. This is
   achieved with this line :
   <?php
   $number = 1234.56;
   // english notation (default)
   $english_format_number = number_format($number);
   // 1,234
   // French notation
   $nombre_format_francais = number_format($number, 2, ',', ' ');
   // 1 234,56
   $number = 1234.5678;
   // english notation without thousands seperator
   $english_format_number = number_format($number, 2, '.', '');
   // 1234.57
   ?>

   See also: sprintf(), printf() and sscanf().
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