The key the data is specified by.
When working with inifiles this function accepts arrays as keys where index 0 is the group and index 1 is the value name. See: dba_key_split().
The number of key-value pairs to ignore when using cdb databases. This value is ignored for all other databases which do not support multiple keys with the same name.
|4.3||The skip parameter is available to support cdb's capability of multiple keys having the same name.|