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run code in 150+ php & hhvm versions
Bugs & Features
<?php create_function('$a', 'return $a;'); $funcs = get_defined_functions(); print_r($funcs['user']);
Output for 4.3.0 - 5.6.23, 7.0.0 - 7.1.0
Array ( )
Output for hhvm-3.10.0 - 3.12.0
Array ( [0] => lambda_1 )