number_format Format a number with grouped thousands &reftitle.description; stringnumber_format floatnumber intdecimals0 stringnumber_format floatnumber intdecimals0 stringdec_point'.' stringthousands_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. &reftitle.parameters; number The number being formatted. decimals Sets the number of decimal points. dec_point Sets the separator for the decimal point. thousands_sep Sets the thousands separator. &reftitle.returnvalues; A formatted version of number. &reftitle.changelog; &Version; &Description; 5.4.0 This function now supports multiple bytes in dec_point and thousands_sep. Only the first byte of each separator was used in older versions. &reftitle.examples; For instance, French notation usually use two decimals, comma (',') as decimal separator, and space (' ') as thousand separator. This is achieved with this line : ]]> &reftitle.seealso; money_format sprintf printf sscanf