Store custom field’s multiple values in one user meta key
There are “month_of_birth“, “day_of_birth“, “year_of_birth“. How to store them in one meta key (‘birth_date‘) ? If you mean to replace all the three meta keys with one single meta key, then you can save the birth_date meta as an array, so that the value would be something like this: array( ‘month’ => ‘august’, ‘day’ => … Read more