Merge branch 'PHP-5.6'

* PHP-5.6:
  test to function addcslashes
  test
  Test PHP Init Fail Without Params
  Add my information to this test
  Add a test for the exception cases of readline_read_history
  added some tests to datetime and dateinterval functions
  added various tests for XSLTProcessor and one test for iconv extension
  teste basico da funcao timezone_version_get