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run code in 200+ php & hhvm versions
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<?php //$address = true; $suburb = true; $latitude = true; $longitude = true; if (!isset($address) && !isset($suburb) || !isset($latitude) && !isset($longitude)) { var_dump('NOTHING'); } else { var_dump('ELSE'); }
based on rhqoj
Output for 5.6.0 - 5.6.30, hhvm-3.15.4, 7.0.0 - 7.3.0alpha1
string(4) "ELSE"