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PHP Function List
array_keys.php
doesn't exist. Closest matches:
array_keys
array_key_last
array_pop
array_fill_keys
array_key_first
array_push
array_key_exists
array_diff_key
array_shift
array_diff_ukey
array_splice
array_values
array_search
array_pad
array_map
array_sum
array_replace
array_reverse
array_unshift
array_walk
array_flip
array_change_key_case
arrayaccess
array_chunk
array_merge
array_slice
array_intersect
array_intersect_key
array_reduce
array_unique
