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number_format
(PHP 4, PHP 5, PHP 7)
number_format — Format a number with grouped thousands
Description
$number
[, int $decimals = 0
] ) : string$number
, int $decimals = 0
, string $dec_point = "."
, string $thousands_sep = ","
) : stringThis 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.
Parameters
-
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.
Changelog
| 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.
|
| 5.4.0 |
This function now supports multiple bytes in
dec_point and
thousands_sep. Only the first byte of each
separator was used in older versions.
|
Examples
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
?>
See Also
- money_format() - Formats a number as a currency string
- sprintf() - Return a formatted string
- printf() - Output a formatted string
- sscanf() - Parses input from a string according to a format
English translation
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Document created the 30/01/2003, last modified the 26/10/2018
Source of the printed document:https://www.gaudry.be/en/php-rf-function.number-format.html
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References
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