Populate ACF select field options with Gravity Forms forms

populate-acf-field-with-gform-ids.php

<?php

add_filter('acf/load_field/name=gravity_form_id', function($field) {
	if (class_exists('GFFormsModel')) {
		$choices = [];

		foreach (\GFFormsModel::get_forms() as $form) {
			$choices[$form->id] = $form->title;
		}

		$field['choices'] = $choices;
	}

	return $field;
});

?>