1. Explaine why you do not need to assign a specific data type to a 
variable when it is declared.

because PHP is 'losely typed' meaning the programing language [PHP] 
determines the data type.

2. Positive and negative numbers and 0 with no dcimal laces belong 
to which data type? 








4. what function can be used to derermine the total number of elements 
in an array? 

count ()