Meta query with arrays

Hi!

Small point first, best to use slt_cf_field_key( 'client_by_year' ) instead of just _slt_client_by_year. The latter will work, but the former is more future-proof (don’t know why the prefix might change, but who knows?)

If I understand your question, you might be needing to look at the field parameter single. From the docs:

For fields that have multiple values (e.g. multiple checkboxes and selects), setting this to false will create multiple fields in the postmeta table, instead of storing a serialized array of values in one field. This allows for more flexible use of the meta_query parameter for queries. When you grab this kind of field with all other fields using slt_cf_all_field_values, remember to pass this field’s key in the $multiple_fields array.

Is that what you’re getting at? If the field is set so that multiple entries in the meta table for the same post, same field are created (wp_postmeta is designed to work that way if necessary), then you can just use ‘=’ as the operator.

Many thanks Tim! I think the plugin needs a complete overhaul, but it doesn’t seem to be worth doing until the core Metadata API gets done. But that seems to be taking a while 🙁