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 3.0.236
“To Drupal, or to ProcessWire? The million dollar choice. We decided to make an early switch to PW. And in retrospect, ProcessWire was probably the best decision we made. Thanks are due to ProcessWire and the amazing system and set of modules that are in place.” —Unni Krishnan, Founder of PigtailPundits