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<?php $a = '72'; if(isset($a)) { if(is_array($a)) { if(array_key_exists('ErrorTable', $a)) { echo 'ERROR TABLE EXISTS'; } else { echo 'ERROR TABLE DOES NOT EXIST'; } } else { echo 'IS NOT ARRAY'; } } else { echo 'NOT SET'; }
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
IS NOT ARRAY