I'm using MB Custom Table and Taxonomy Advanced field to save a three level hierarchy. According to the documentation, the values will be saved in the format 1,2,3, but I'm getting inconsistent values, sometimes with a comma at the end or duplicated commas between two numbers:
Sorry, I missed this issue. This problem is caused by empty values are saved. While empty values are valid and the string is still a valid CSV, it doesn't look good.
I've just committed a fix on Github. Please download Meta Box from Github and try.
.
