Gets a field value from a Gravity Form field, formatted to be compatible with the "gform_field_value" filter (particularly for checkboxes). Replaced with: https://gist.github.com/RadGH/d08a7466b097dfb895ec6dede2e474f5

gf-get-field-value.php

<?php


// -------------------------------------------------------------------------------------
// Replaced with: https://gist.github.com/RadGH/d08a7466b097dfb895ec6dede2e474f5
//
// Gravity Forms still does not have an official method to get selected checkboxes lmao.
// -------------------------------------------------------------------------------------





/**
 * Get the values for a field, compatible with the filter "gform_field_value" particularly for checkbox fields.
 * 
 * Uses the native "get_post_field_value" function which is sadly private (for no good reason).
 *
 * @see https://stackoverflow.com/a/40441769
 *
 * @param GF_Field $field
 * @param array $lead
 *
 * @return mixed
 */
function gf_get_field_value_from_entry( GF_Field $field, array $entry ) {
	static $formsModel = null, $getValueFn;

	if ( $formsModel === null ) {
		$formsModel = new GFFormsModel();
		$getValueFn = function( $a = null, $b = null ) {
			return $this->get_post_field_value( $a, $b );
		};
	}
	
	return $getValueFn->call( $formsModel, $field, $entry );
}

Replaced with: https://gist.github.com/RadGH/d08a7466b097dfb895ec6dede2e474f5