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number_format

This function accepts either one, two, or four parameters (not three). Test number_format online.

string number_format ( float $number [, int $decimals = 0 ] )

string number_format ( float $number , int $decimals = 0 , string $dec_point = "." , string $thousands_sep = "," )

PHP Documentation by the PHP Documentation Group

number_format

(PHP 4, PHP 5, PHP 7, PHP 8)

number_formatFormat a number with grouped thousands

Description

number_format(
    float $num,
    int $decimals = 0,
    ?string $decimal_separator = ".",
    ?string $thousands_separator = ","
): string

Formats a number with grouped thousands and optionally decimal digits.

Parameters

num

The number being formatted.

decimals

Sets the number of decimal digits. If 0, the decimal_separator is omitted from the return value.

decimal_separator

Sets the separator for the decimal point.

thousands_separator

Sets the thousands separator.

Return Values

A formatted version of num.

Changelog

Version Description
8.0.0 Prior to this version, number_format() accepted one, two, or four parameters (but not three).
7.2.0 number_format() was changed to not being able to return -0, previously -0 could be returned for cases like where num would be -0.01.

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

?>

See Also

PHP Documentation

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