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In this article Xiaobian for you to introduce in detail "php how to convert a string to a decimal", the content is detailed, the steps are clear, the details are handled properly, I hope this "php how to convert a string to a decimal" article can help you solve your doubts, the following follow the editor's ideas slowly in-depth, together to learn new knowledge.

Php's method of converting a string into a decimal: 1. Use the number_format () function with the syntax "number_format ($str, decimal value)"; 2. Use the sprintf () function to format the string, the syntax "sprintf ("%. The decimal value f ", $str)".

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

Php's method of converting a string to a decimal

If it is a string containing decimals, you can use the round () function to convert the string to a numeric value and retain the decimal number of specified digits.

But if you don't include decimals, how do you make the value converted by a string have decimal places? Here are two methods:

1. Use the thousand-bit grouping to format the number function number_format ()

2. Use sprintf to format strings

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