How to convert string to floating point in php

php method to convert a string to a floating point type: first save a string type decimal in the $str variable; then use float to force the string type to a floating point type; finally use gettype () function can obtain the converted variable type.

First save a string type decimal in the $str variable;

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Then use float to force the string type to a floating point type, and save the result in the $res variable;

Finally use the gettype() function to obtain the converted Variable type, and use echo to output the result.

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Code implementation:

Output results ：

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