Bug 454407 - Error 'Undefined variable: this' while remote debugging
with Zend Debugger

Change-Id: Ib2126988d5f767a799aceba8e14e7f59b2b428f8
Signed-off-by: Bartlomiej Laczkowski <bartlomiej.l@zend.com>
Merge "Bug 454407 - Error 'Undefined variable: this' while remote debugging with Zend Debugger"
No bug - prepare 3.4.0 release

Signed-off-by: Dawid Pakuła <zulus@w3des.net>