[FIX] mod-func-last_visitors.php: Fix Warning Undefined array key data and...
requested to merge bkinywa24/tiki:fix-Warning-Undefined-array-key-data-last_visitors-Cannot-access-offset-of-type-string-on-string-in-mod-func-last_visitors.php into master
[FIX] mod-func-last_visitors.php: Fix Warning Undefined array key data and fatal error last_visitors Cannot access offset of type string on string
The value of $last_visitors['data'] was assigned to modLastVisitors, and this value is an array and sometimes an empty string, modLastVisitors must consistently be an array.