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<?php $sex = 'female'; if($sex !='male' AND $sex != 'female') { echo "<font color='red'><h1>Trying to hax me! no cool bro :(</h1></font>"; } else { echo "$sex var is either male or female"; }
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
female var is either male or female