(PHP 5, PHP 7, PHP 8)
dba_key_split — Splits a key in string representation into array representation
$key): array|falsedba_key_split() splits a key (string representation) into an array representation.
keyThe key in string representation.
Returns an array of the form array(0 => group, 1 =>
value_name). This function will return false if
key is null or false.