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run code in 200+ php & hhvm versions
Bugs & Features
<?php $a = array(); var_dump(empty(a)); var_dump(isset($a));
Output for 7.2.0
Warning: Use of undefined constant a - assumed 'a' (this will throw an Error in a future version of PHP) in /in/831QG on line 3 bool(false) bool(true)
Output for 5.5.24 - 7.1.10
Notice: Use of undefined constant a - assumed 'a' in /in/831QG on line 3 bool(false) bool(true)
Output for 5.4.11 - 5.4.45
Parse error: syntax error, unexpected ')', expecting :: (T_PAAMAYIM_NEKUDOTAYIM) in /in/831QG on line 3
Process exited with code 255.
Output for 5.3.21 - 5.3.29
Parse error: syntax error, unexpected ')', expecting T_PAAMAYIM_NEKUDOTAYIM in /in/831QG on line 3
Process exited with code 255.