The method of accurate number of decimal places in php

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Php decimal precision method: 1, use sprintf () function to format, syntax "sprintf ("%. Using the number_format () function, the syntax "number_format ($num,' decimal places')".

Operating environment of this tutorial: windows7 system, PHP7.1 version, DELL G3 computer

The method of accurate post-decimal place of php decimal point

Method 1: use sprintf to format strings

Method 2: using the number_format () function

Number_format (): the function can format numbers in the form of thousand-bit groupings.

Syntax:

Number_format (number,decimals,decimalpoint,separator)

Parameters:

Number: required. The number to format.

Decimals: optional. How many decimals are required

Decimalpoint: optional. Specifies a string to use as a decimal point.

Separator: optional. Specifies the string to use as a thousand-bit delimiter.

Example:

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