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number_format

(PHP 4, PHP 5, PHP 7)

number_formatFormat a number with grouped thousands

Description

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.

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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.

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Return Values

A formatted version of number.

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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.

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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
$nombre_format_francais number_format($number2','' ');
// 1 234,56

$number 1234.5678;

// english notation without thousands separator
$english_format_number number_format($number2'.''');
// 1234.57

?>

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See Also

Find a PHP function

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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

  1. View the html document Language of the document:fr Manuel PHP : http://php.net

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