Fix for bug66501 - "key type not supported in this PHP build"
Merge branch 'PHP-5.4' into PHP-5.5

* PHP-5.4:
  Fix for bug66501 - "key type not supported in this PHP build"
Merge branch 'PHP-5.5' into PHP-5.6

* PHP-5.5:
  Fix for bug66501 - "key type not supported in this PHP build"