PHP number_format() Function
The PHP number_format() function formats a given number with grouped thousands and optionally decimal digits.
Note: Prior to PHP 8.0.0, this function accepted one, two, or four parameters (but not three).
Syntax
number_format(number, decimals, decimal_separator, thousands_separator)
Parameters
number |
Required. Specify the number to be formatted. |
decimals |
Optional. Specify the number of decimal digits. If 0, the decimal_separator is omitted from the return value. Default is 0. |
decimal_separator |
Optional. Specify the string to use for separator for the decimal point. Default is . |
thousands_separator |
Optional. Specify the string to use for thousands separator. Default is , |
Return Value
Returns a formatted version of the given number.
Example:
The example below shows the usage of this function.
<?php $num = 12345.6789; //default version echo number_format($num)."\n"; //3 decimal digits with default decimal separator echo number_format($num, 3)."\n"; //3 decimal digits with . as decimal separator echo number_format($num, 3, '.')."\n"; //3 decimal digits with . as decimal separator //and , as thousand separator echo number_format($num, 3, '.', ',')."\n"; //3 decimal digits with . as decimal separator //and space as thousand separator echo number_format($num, 3, '.', ' ')."\n"; //3 decimal digits with . as decimal separator //and no thousand separator echo number_format($num, 3, '.', '')."\n"; ?>
The output of the above code will be:
12,346 12,345.679 12,345.679 12,345.679 12 345.679 12345.679
❮ PHP String Reference
