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run code in 200+ php & hhvm versions
Bugs & Features
<?php error_reporting(E_ALL & ~E_DEPRICATED); ini_set('display_errors', true); $foo = 'foo'; $bar = (unset) $foo; var_dump(isset($bar));
based on N9Lgj
Output for 7.2.0
Deprecated: The (unset) cast is deprecated in /in/PbIGT on line 6 Warning: Use of undefined constant E_DEPRICATED - assumed 'E_DEPRICATED' (this will throw an Error in a future version of PHP) in /in/PbIGT on line 2 Warning: A non-numeric value encountered in /in/PbIGT on line 2 bool(false)
Output for 7.1.0 - 7.1.10
Notice: Use of undefined constant E_DEPRICATED - assumed 'E_DEPRICATED' in /in/PbIGT on line 2 Warning: A non-numeric value encountered in /in/PbIGT on line 2 bool(false)
Output for 5.3.21 - 7.0.20
Notice: Use of undefined constant E_DEPRICATED - assumed 'E_DEPRICATED' in /in/PbIGT on line 2 bool(false)