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Php floating-point method: 1, the use of floatval () function, you can get the variable floating-point value, syntax "floatval (data to be converted)"; 2, the use of settype () function, syntax "settype (data to be converted,"float") ", you can convert the specified data to a floating-point type.

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

PHP provides two built-in functions that convert other types of data to floating-point numbers:

Floatval () function

Settype () function

1. Use the floatval () function

The floatval () function is a function that specifically converts other types to floating-point types, and it gets the floating-point value of a variable.

Note: floatval cannot be used with arrays or objects.

2. Use the settype () function

The settype () function converts the value to the specified data type (controlled by the second parameter).

You only need to set the second parameter of the function to "float" to convert the data to a floating point number.

Note: this function modifies the original variable; it returns TRUE if the setting is successful, and FALSE if it fails.

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