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run code in 200+ php & hhvm versions
Bugs & Features
<?php function test() { return !!''; } var_dump(test);
Output for 7.2.0 - 7.2.11
Warning: Use of undefined constant test - assumed 'test' (this will throw an Error in a future version of PHP) in /in/aO1pN on line 7 string(4) "test"
Output for 4.3.0 - 5.6.38, hhvm-3.10.1 - 3.21.3, 7.0.0 - 7.1.23
Notice: Use of undefined constant test - assumed 'test' in /in/aO1pN on line 7 string(4) "test"
Output for hhvm-3.22.0
Notice: Use of undefined constant test - assumed 'test' in /in/aO1pN on line -1 string(4) "test"