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   1  <?php
   2  /*
   3   *  $Id: OrCondition.php 3076 2006-12-18 08:52:12Z fabien $
   4   *
   5   * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
   6   * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
   7   * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
   8   * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
   9   * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  10   * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  11   * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  12   * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  13   * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  14   * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  15   * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  16   *
  17   * This software consists of voluntary contributions made by many individuals
  18   * and is licensed under the LGPL. For more information please see
  19   * <http://phing.info>.
  20   */
  21  
  22  require_once 'phing/tasks/system/condition/ConditionBase.php';
  23  
  24  /**
  25   *  <or> condition container.
  26   *
  27   *  Iterates over all conditions and returns true as soon as one
  28   *  evaluates to true.
  29   *
  30   *  @author    Andreas Aderhold <andi@binarycloud.com>
  31   *  @copyright  2001,2002 THYRELL. All rights reserved
  32   *  @version   $Revision: 1.8 $ $Date: 2006-04-28 16:49:47 +0200 (Fri, 28 Apr 2006) $
  33   *  @access    public
  34   *  @package   phing.tasks.system.condition
  35   */
  36  class OrCondition extends ConditionBase implements Condition {
  37  
  38      function evaluate() {
  39          foreach($this as $c) { // ConditionBase implements IteratorAggregator
  40                if ($c->evaluate()) {
  41                  return true;
  42              }
  43          }
  44          return false;
  45      }
  46  }