# FieldGroup.class.php

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    00001 <?php
    00002 /***************************************************************************
    00003  *   Copyright (C) 2006-2007 by Konstantin V. Arkhipov                     *
    00004  *                                                                         *
    00005  *   This program is free software; you can redistribute it and/or modify  *
    00006  *   it under the terms of the GNU Lesser General Public License as        *
    00007  *   published by the Free Software Foundation; either version 3 of the    *
    00008  *   License, or (at your option) any later version.                       *
    00009  *                                                                         *
    00010  ***************************************************************************/
    00011
    00015     final class FieldGroup implements DialectString
    00016     {
    00017         private $list = array();
    00018
    00022         public function add(Castable $field)
    00023         {
    00024             $this->list[] = $field;
    00025
    00026             return $this;
    00027         }
    00028
    00029         public function toDialectString(Dialect $dialect)
    00030         {
    00031             if (!$this->list)
    00032                 return null;
    00033
    00034             $out = array();
    00035
    00036             foreach ($this->list as $field)
    00037                 $out[] = $field->toDialectString($dialect);
    00038
    00039             return implode(', ', $out);
    00040         }
    00041     }
    00042 ?>