Could I use: $VAR = [1, 2, 3, 4]; for arrays

Answer 1

you must use
$VAR = (1, 2, 3, 4 );
for your array

Answer 2

syntext error.

Answer 3

No you can't.

Answer 4

$var=array(1,2,3,4);

Answer 5

no you can't
$var=array(1,2,3,4);

Answer 6

where is array ?
you need to declare it

Answer 7

yes, learn php7

Answer 8

S