$number , int $decimals = 0 , string $dec_point = "." , string $thousands_sep = "," )This function accepts either one, two, or four parameters (not three):
If only one parameter is given, number will be formatted without decimals, but with a comma (",") between every group of thousands.
If two parameters are given, number will be formatted with decimals decimals with a dot (".") in front, and a comma (",") between every group of thousands.
If all four parameters are given, number will be formatted with decimals decimals, dec_point instead of a dot (".") before the decimals and thousands_sep instead of a comma (",") between every group of thousands.
The number being formatted.
Sets the number of decimal points.
Sets the separator for the decimal point.
Sets the thousands separator.
A formatted version of number.
This function now supports multiple bytes in dec_point and thousands_sep. Only the first byte of each separator was used in older versions.
For instance, French notation usually use two decimals, comma (',') as decimal separator, and space (' ') as thousand separator. This is achieved with this line :
<?php $number = 1234.56; // english notation (default) $english_format_number = number_format($number); // 1,235 // French notation $nombre_format_francais = number_format($number, 2, ',', ' '); // 1 234,56 $number = 1234.5678; // english notation without thousands separator $english_format_number = number_format($number, 2, '.', ''); // 1234.57 ?>
printf() -
sscanf() -
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