What is the usage of php number_format function

php editor Youzi introduces you to a very practical function-number_format. This function is mainly used to format numbers. It can format numbers into a readable form, such as adding thousands separators, setting the number of decimal places, etc. It is often used in scenarios such as processing amounts and statistical data, and can make numbers more intuitive and clear. When writing PHP programs, mastering the usage of the number_format function will facilitate your development work. Next, let’s learn more about the detailed usage of the number_format function!

The syntax of the function is: number_format(number, decimals, decimalpoint, separator)

Parameter Description:

• number: Number to be formatted
• decimals: Optional parameter, specify the number of decimal places, the default is 0
• decimalpoint: Optional parameter, specify the decimal point symbol, the default is "."
• separator: optional parameter, specifies the thousands separator, the default is ","

Sample code:

$number = 12345.6789;
$formatted_number = number_format($number); // 默认格式化为12346
$formatted_number = number_format($number, 2); // 格式化为12345.68
$formatted_number = number_format($number, 2, ",", "."); // 格式化为12,345.68

Note: The number_format function will round the parameters passed in.

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