I wonder. Since we don't need to declare a variable, does this mean that a variable which first I assign a numeric value can be assigned later with, for example, string value?

Answer 1

yes

Answer 2

Dending on how you use it PHP will rec!at the variable automatically. So a string of "3" might end up becoming a number if used in an assignment.

Answer 3

Yess Exactly True

Answer 4

yes

Answer 5

Yes!!

Answer 6

yes, you can assign the variable later in your program.

Answer 7

ye

Answer 8

Probably not recommended though. Imag8ne how confusing a large project would get with variable types changing all the time.