Return the number of Fieldgroups this field is used in.
Primarily used to check if the Field is deletable.
Usage
$int = $field->numFieldgroups();Return value
int
API reference based on ProcessWire core version 3.0.244
“Indeed, if ProcessWire can be considered as a CMS in its own right, it also offers all the advantages of a CMF (Content Management Framework). Unlike other solutions, the programmer is not forced to follow the proposed model and can integrate his/her ways of doing things.” —Guy Verville, Spiria Digital Inc.