function change_content_type($old_content_type_id, $current_content_type_id)
{
$this->CI->load->model('content/content_types_model');
$this->Entry->content_type_id = $current_content_type_id;
// Check if a content type exists with this id
$Content_type = new Content_types_model();
$Content_type->get_by_id($old_content_type_id);
if ($Content_type->exists()) {
// Get and set the new fields array which will now
// be used for validating and processing instead of the fields array
$this->old_fields = new Content_fields_model();
$this->old_fields->order_by('sort', 'ASC')->include_related('content_field_types', array('model_name'))->get_by_content_type_id($old_content_type_id);
// Get entry data
$this->_get_entry_data();
foreach ($this->fields as $Field) {
// If the field has a value set try to find
// a matching tag name in the new content type's fields
foreach ($this->old_fields as $Old_field) {
if ($Field->short_tag == $Old_field->short_tag) {
$this->Entry_data->{'field_id_' . $Field->id} = $this->Entry_data->{'field_id_' . $Old_field->id};
}
}
}
// Set old fields to NULL
foreach ($this->old_fields as $Old_field) {
$this->Entry_data->{'field_id_' . $Old_field->id} = NULL;
}
}
}
