number_format() function in PHP

number_format() function is used to format numbers grouped by thousands.

Syntax

number_format(num,decimals,decimal_pt,separator)

Parameters

• ##num - The number to format.

• decimals - Specifies the number of decimal places.

• decimal_pt - String to use for the decimal point.

• Separator - Specifies the string used for the thousands separator.

Return

number_format() function returns a formatted number.

Example

The following is an example-

Real-time demonstration

<?php
   echo number_format("10000000");
?>

Output

The following is the output-

10,000,000

Example

Let’s see another example-

Live Demonstration

<?php
   echo number_format("3999.9, 2");
?>

Output

Here is the output-

4,000

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