gform_field_validation

​The `gform_field_validation` filter in Gravity Forms allows developers to create custom validation logic for a form field using PHP code

Learn how to make a checkbox field in Gravity Forms require all options be ticked if the field is required using the provided code snippet. Requiring all checkboxes to be…

Learn how to make a Gravity Forms checkbox field require all options be ticked when it's a required field with this simple code snippet.