1 <?php

     2 

     3 /*

     4  * This file is part of the Symfony package.

     5  *

     6  * (c) Fabien Potencier <fabien@symfony.com>

     7  *

     8  * For the full copyright and license information, please view the LICENSE

     9  * file that was distributed with this source code.

    10  */

    11 

    12 namespace Symfony\Component\CssSelector;

    13 

    14 /**

    15  * XPathExprOr represents XPath |'d expressions.

    16  *

    17  * Note that unfortunately it isn't the union, it's the sum, so duplicate elements will appear.

    18  *

    19  * This component is a port of the Python lxml library,

    20  * which is copyright Infrae and distributed under the BSD license.

    21  *

    22  * @author Fabien Potencier <fabien@symfony.com>

    23  */

    24 class XPathExprOr extends XPathExpr

    25 {

    26     /**

    27      * Constructor.

    28      *

    29      * @param array  $items  The items in the expression.

    30      * @param string $prefix Optional prefix for the expression.

    31      */

    32     public function __construct($items, $prefix = null)

    33     {

    34         $this->items = $items;

    35         $this->prefix = $prefix;

    36     }

    37 

    38     /**

    39      * Gets a string representation of this |'d expression.

    40      *

    41      * @return string

    42      */

    43     public function __toString()

    44     {

    45         $prefix = $this->prefix;

    46 

    47         $tmp = array();

    48         foreach ($this->items as $i) {

    49             $tmp[] = sprintf('%s%s', $prefix, $i);

    50         }

    51 

    52         return implode($tmp, ' | ');

    53     }

    54 }