HTMLFormField subclasses triggered false positives when phan incorrectly
thought that $this->mOptions was only a boolean.
ReplacementArray $this->data was defined as possibly being boolean, but
in reality that never happened.
Change-Id: I06bae9c9952366ff7927df37373b146d570f4a02
The native implementation of strtr( $str, $replace_pairs ) matches the
performance of FastStringSearch since http://bugs.php.net/63893 has been
resolved. HHVM's implementation does too, since PR facebook/hhvm#5471.
Change-Id: I20374d37bbb9958188a0487abc5b50f08ce40840
