number_format()
returns a formatted version of
number
. 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.
注意 Only the first character of thousands_sep is used. For example, if you use foo as thousands_sep on the number 1000 , number_format() will return 1f000 .