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run code in 200+ php & hhvm versions
Bugs & Features
<?php echo $_?$_:"This is not an test";
Output for 5.0.4 - 7.1.10
Notice: Undefined variable: _ in /in/pQksb on line 2 This is not an test
Output for 4.3.0 - 5.0.3
Notice: Undefined variable: _ in /in/pQksb on line 2 This is not an test