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PHP number_format() Function Usage and Example

　　 The number_format() function is used to format a number with a thousand separator.

Syntax

number_format(number,decimals,decimalpoint,separator)

Definition and Usage

The function formats numbers by grouping them in thousands.
Note: This function supports one, two, or four parameters (not three).

Return Value

It returns the formatted number.

Parameter

Serial Number	Parameters and Description
1	number Number to be formatted
2	decimals Number of decimal places to retain
3	decimalpoint Specify the character to display as the decimal point.
4	separator Specify the character to display as the thousand separator.

Online Example

Try the following example, number_format() function formats numbers:

Example

<?php
　　　//number_format() function formats numbers
　　　$input =　100.9;
　　　$formattedinput = number_format($input)."<br>";
　　　echo $formattedinput;
　　　
　　　$formattedinput = number_format($input,　2);
　　　echo $formattedinput;
?>

Test and See‹/›

Output Result

101
100.90

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