How can I convert a string to an array? For instance, I have this string:
$str = 'abcdef';
And I want to get:
array(6) { [0]=> string(1) "a" [1]=> string(1) "b" [2]=> string(1) "c" [3]=> string(1) "d" [4]=> string(1) "e" [5]=> string(1) "f" }