* dhruvgoel92/ticket/11011:
[ticket/11011] rename property phpEx to php_ext
[ticket/11011] pass $auth to search backend constructor
[ticket/11011] remove global keyword from sphinx
[ticket/11011] pass global variables in construct
[ticket/11011] passing global variables
[ticket/11011] remove global keyword in native search
[ticket/11011] remove global keyword in pgsql search
[ticket/11011] global variables as constructor parameters
[ticket/11011] add access specifiers and docblocks