[QueryBuilder] Remove unused method parameters to run on HHVM/PHP7 #1164
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PHP5 treats the left part of an assignment to a method parameter as an independent local variable, while HHVM/PHP7 treats it as a reference to the method parameter. This leads to the value of the parameter being changed, which, in turn, causes func_get_args() to return not what is expected.
This commit is a part of the effort to make Symfony run flawlessly on HHVM. This issue causes a bunch of Symfony tests to fail on HHVM.
The master is currently broken, so the best thing I could do was to make sure the number of test failures remained the same after the change.
If possible, please merge this to version 2.2 used by Symfony 2.4.