Fixed bug #65915 (Inconsistent results with require return value)
Fixed compatibility with old PHP versions
Merge branch 'PHP-5.5' into PHP-5.6

* PHP-5.5:
  Fixed compatibility with old PHP versions
  Fixed bug #65915 (Inconsistent results with require return value)

Conflicts:
	NEWS
Merge branch 'PHP-5.6'

* PHP-5.6:
  Fixed compatibility with old PHP versions
  Fixed bug #65915 (Inconsistent results with require return value)