array_count:
3

array_contains:
1

array_is_empty:
1

array_index_of:
k2

array_index_exists:
1

array_left:
1

array_right:
2

array_mid:
b

array_insert:
acdeb

array_append:
abc

array_prepend:
bca

array_merge:
abc

array_remove:
ade
acde

array_remove_first:
b
c

array_remove_last:
ab
a size: 1

array_replace:
axyd

array_swap:
ba

array_reverse:
ba

array_diff:
b

array_intersect:
a

array_pad:
abb
aaa

array_unique:
ab

array_find:
2

array_find_replace:
zbcz

array_fill_range:
012

array_sum:
6

array_repeat:
abab

array_sort:
abc

array_sort_reverse:
cba

hash_sort:

hash_sort_reverse:

hash_sort_keys:

hash_sort_keys_reverse:

hash_diff:

hash_diff_key:

hash_intersect:
Array
(
    [y] => c
)


hash_intersect_key:
Array
(
    [x] => b
)


hash_keys:

hash_values: