(PHP 4, PHP 5, PHP 7)
number_format — Format a number with grouped thousands
number_format ( float $number [, int $decimals = 0 ] ) : string
number_format ( float $number , int $decimals = 0 , string $dec_point = "." , string $thousands_sep = "," ) : string
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.
number
The number being formatted.
decimals
Sets the number of decimal points.
dec_point
Sets the separator for the decimal point.
thousands_sep
Sets the thousands separator.
A formatted version of number.
| Version | Description |
|---|---|
| 7.2.0 | number_format() was changed to not being able to return -0, previously -0 could be returned for cases like where number would be -0.01. |
Example #1 number_format() Example
For instance, French notation usually use two decimals, comma (',') as decimal separator, and space (' ') as thousand separator. The following example demonstrates various ways to format a number:
<?php $number = 1234.56; // english notation (default) $english_format_number = number_format($number); // 1,235 // French notation $nombre_format_francais = number_format($number, 2, ',', ' '); // 1 234,56 $number = 1234.5678; // english notation without thousands separator $english_format_number = number_format($number, 2, '.', ''); // 1234.57 ?>
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https://www.php.net/manual/en/function.number-format.php