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<?php $t = 'gb'; if ($t != ('GB' || 'gb')) { echo "1"; } else { echo "0"; } var_dump('GB' || 'gb');
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
0bool(true)