/**
  * Converts an array containing ISO-8859-1 string to utf-8
  *
  * @param array $obj
  */
 public static function toISO_recursive(array &$obj)
 {
     foreach ($obj as $field => &$value) {
         if (is_string($value)) {
             $value = utf8_decode($value);
         } else {
             if (is_array($value)) {
                 AppKitArrayUtil::toISO_recursive($value);
             }
         }
     }
 }
 /**
  * @group AppKit
  */
 public function testEncodingProcessor1()
 {
     $test = array('test1' => 'ÜÜöö%%123', 'test2' => array('ÖÖÖ', 'ÄÄÄ', 'ßßß'));
     $work = $test;
     AppKitArrayUtil::toISO_recursive($work);
     $this->assertNotEquals($test, $work);
     AppKitArrayUtil::toUTF8_recursive($work);
     $this->assertEquals($test, $work);
 }