PHP number_format()

The number_format() function takes a given number and formats it with grouped thousands. If a decimal is given, the number will be rounded up.

Syntax

number_format($number, $decimals, $decimal_point, $separator);

• $number: The number to format.
• $decimals: Optional parameter that sets the number of digits after the decimal point. If not given, the number returned will be a whole number.
• $decimal_point: Optional parameter that specifies the decimal separator and should be given as a string.
• $separator: Optional parameter that specifies the thousands separator and should be given as a string.

Example

This example uses the number_format() function to format a whole number using "," as a decimal separator and "x" as a thousands separator.

<?php
  echo number_format("1000000",2,",","x");
?>

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This will result in the following output:

1x000x000,00

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Codebyte Example

The following codebyte example can be run and calls the number_format() method two times. The second call uses the optional $decimals, $decimal_point, and $separator parameters.

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