Coercion of data types in PHP

1. In the PHP development in a lot of places to involve the conversion of data types, especially related to the amount of data type, must be converted to float type, otherwise in the storage time may be due to different types of data overwrite the previous amount. (Add string and float type)

2. Casting of data type: cast to float type.

' Total_sum ' = (float) number_format ($jmoney, 2), ' reward_sum ' = (float) number_format ($jmoney, 2),

Coercion of data types in PHP