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run code in 150+ php & hhvm versions
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<?php //$var = '0'; if ($var == 0) { echo 'hit because zero'; } elseif (empty($var)) { echo 'hit because empty'; } else { echo 'hit because not zero and not empty'; }
Output for 5.0.4 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
Notice: Undefined variable: var in /in/C6G7r on line 5 hit because zero
Output for 4.3.0 - 5.0.3
Notice: Undefined variable: var in /in/C6G7r on line 5 hit because zero