Currently, class name resolution supports all types except an array. https://3v4l.org/OXFMW
In fact, it is syntactically invalid since the parser fails to recognize `array::class` as an array expression: Parse error: syntax error, unexpected 'array' (T_ARRAY), expecting > identifier (T_STRING) > https://3v4l.org/5IOoI Is possible to change the grammar to support array also? - Marcos
