<?php

function acf_read_only_fields_in_group($field)
{
	// READ ONLY FOR OLD WEBSITES DATA IN ARTISANS & CHANTIERS
	$target_groups = ['group_672358433051b', 'group_673610d8e548a'];
	$parent_id = $field['parent']; // ID du groupe parent
	$parent_group = get_post($parent_id);

	if (in_array($parent_group->post_name, $target_groups)) {
		$field['readonly'] = 1;
		$field['disabled'] = true;
	}

	return $field;
}
add_filter('acf/load_field', 'acf_read_only_fields_in_group');