Introduction to php number formatting function number_format

php Number formatting function number_format Introduction, number_format (the number to be formatted, the number of decimal places to be retained, the decimal point string , thousands separator).

number_format functionnumber_format (number to be formatted, number of decimal places to be retained, decimal point string, thousands separator) // 4 parameters in total The number_format function is used to format numbers. Among the four parameters listed above, the first one is required and the others are optional. Parameter Description: Number to format (not interpreted) Number of decimal places to keep (optional) How many decimal places to keep after formatting the number Decimal point string (optional) The default is . If you want to use the * sign as the decimal point, the parameter value is * For example: 189*00 (189 retains 2 decimal places, * is the decimal point) Thousands separator (optional) The default is , if you want to specify other symbols to separate thousands, the parameter value is the semicolon to be specified. For example: 189^000^000.00 Here the symbol ^ is used as the thousands separator. Example:

number_format(288);
--输出 288
 
number_format(365,2);
--输出 365.00
 
number_format(365000000,3,".")  (将数字 365000000 保留3位小数,小数点用"."表示)
--输出: 365,000,000.000
 
number_format(365000000,2,".","*")  (将数字 365000000 保留2位小数,小数点用"."表示,千位分隔符用"*"表示)
--输出: 365*000*000.00

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