INVP::meta_array_value_single()

Given a $meta array collection of a post’s entire meta data, retrieves the single or first value stored in $key.

INVP::get_hours()

Loads sets of hours from post meta into an array.

INVP::fetch_latitude_and_longitude()

Given the ID of a term in the locations taxonomy, this method returns an object with members lat and lon that contain latitude and longitude coordinates of the address. If the coordinates are saved in meta keys address_lat and address_lon, those are provided. If no coordinates are saved, it bounces the address off OpenStreetMap.org to see if that service knows where the address is located. If coordinates cannot be found, false is returned.

INVP::option_page()

Provides the option page string that determines where the settings sections are rendered.

INVP::option_group()

Provides the option group string that is needed for register_setting() calls.