In PHP, how is the first element accessed if $a represents an array with numeric indices?

In PHP, how is the first element accessed if $a represents an array w

1.	In PHP, how is the first element accessed if $a represents an array with numeric indices?
A.	$a[1]
B.	$a[0]
C.	$a.1
D.	$a.0
Answer» C. $a.1