bp_xprofile_repeater_field_get_children( array $children, boolean $for_editing, BP_XProfile_Field $field )

function bp_xprofile_repeater_field_get_children ( $children, $for_editing, $field ) {
    global $wpdb;
    $bp = buddypress();
    
    if ( ! bp_xprofile_get_meta( $field->id, 'field', '_is_repeater_clone', true ) ) {
        return $children;
    }
    
    //If the current field is a clone,
    //we'll query template field for children/field-options
    $template_field_id = bp_xprofile_get_meta( $field->id, 'field', '_cloned_from', true );
    if ( empty( $template_field_id ) ) {
        return $children;
    }
    
    $template_field = xprofile_get_field( $template_field_id );
    if ( $template_field == null ) {
        return $children;
    }
    
    if ( ! ( $template_children = wp_cache_get( $template_field_id, 'field_children_options' ) ) ) {
        // This is done here so we don't have problems with sql injection.
        if ( empty( $for_editing ) && ( 'asc' === $template_field->order_by ) ) {
            $sort_sql = 'ORDER BY name ASC';
        } elseif ( empty( $for_editing ) && ( 'desc' === $template_field->order_by ) ) {
            $sort_sql = 'ORDER BY name DESC';
        } else {
            $sort_sql = 'ORDER BY option_order ASC';
        }

        $parent_id = $template_field_id;

        $bp  = buddypress();
        $sql = $wpdb->prepare( "SELECT * FROM {$bp->profile->table_name_fields} WHERE parent_id = %d AND group_id = %d {$sort_sql}", $parent_id, $template_field->group_id );

        $template_children = $wpdb->get_results( $sql );
        
        wp_cache_set( $template_field_id, $template_children, 'field_children_options' );
    }
    
    if ( !empty( $template_children ) ) {
        
        //Since some children will be shared in all clones of a kind,
        //there are duplicate radiobutton/checkbox ids and hence associated labels behave incorreclty.
        //we'll need to manipuate children ids
        $temp = array();
        $clone_number = (int) bp_xprofile_get_meta( $field->id, 'field', '_clone_number', true );
        foreach ( $template_children as $child ) {
            $child->id .= '_' . $clone_number;
            $temp[] = $child;
        }
        
        $children = $temp;
    }
    
    return $children;
}