PHP Data type conversion is a forced conversion. The PHP Data types that can be converted include: & amp; bull; (int) and (integer): convert to integer & amp; bull; (float), (double), (real): convert to float type & bull; (string): convert to string & bull; PHP Data type conversion is a forced conversion. The PHP Data types that can be converted include: • (int) and (integer): converted to integer • (float), (double), (real): convert to float type • (string): convert to string • (bool), (boolean): convert to boolean type • (array ): convert to array • (object): There are three conversion methods to convert to object PHP Data types: • target types enclosed in parentheses before the variables to be converted • use three conversion functions of specific types: intval (), floatval (), strval () • Use settype (mixed var, string type), the first conversion method: (int) (bool) (float) (string) (array) (object) 1. Second conversion method: intval () floatval () strval () 1. Third conversion method: settype (); 1.
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