interface/modules/zend_modules/library/Zend/Filter/BaseName.php

   1 <?php
   2 /**
   3  * Zend Framework (http://framework.zend.com/)
   4  *
   5  * @link      http://github.com/zendframework/zf2 for the canonical source repository
   6  * @copyright Copyright (c) 2005-2013 Zend Technologies USA Inc. (http://www.zend.com)
   7  * @license   http://framework.zend.com/license/new-bsd New BSD License
   8  */
   9
  10 namespace Zend\Filter;
  11
  12 class BaseName extends AbstractFilter
  13 {
  14     /**
  15      * Defined by Zend\Filter\FilterInterface
  16      *
  17      * Returns basename($value).
  18      *
  19      * If the value provided is non-scalar, the value will remain unfiltered
  20      * and an E_USER_WARNING will be raised indicating it's unfilterable.
  21      *
  22      * @param  string $value
  23      * @return string|mixed
  24      */
  25     public function filter($value)
  26     {
  27         if (null === $value) {
  28             return null;
  29         }
  30
  31         if (!is_scalar($value)) {
  32             trigger_error(
  33                 sprintf(
  34                     '%s expects parameter to be scalar, "%s" given; cannot filter',
  35                     __METHOD__,
  36                     (is_object($value) ? get_class($value) : gettype($value))
  37                 ),
  38                 E_USER_WARNING
  39             );
  40             return $value;
  41         }
  42
  43         return basename((string) $value);
  44     }
  45 }