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run code in 150+ php & hhvm versions
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<?php $var = ''; if (isset($var))) echo 'La variable $var existe'; if (!empty($var)) echo 'La variable $var n\'est pas vide'; else echo 'La variable $var est vide';
Output for 5.3.0 - 5.4.10
Parse error: syntax error, unexpected ')' in /in/qVfP6 on line 4
Process exited with code 255.