3v4l.org

run code in 150+ php & hhvm versions
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<?php create_function("", "}; function xx(){return '1';};//"); echo xx();
Output for 4.3.0 - 4.4.1, 4.4.3 - 5.0.5, 5.1.1, 5.1.3 - 5.1.4, 5.1.6 - 7.1.0
1
Output for 4.4.2, 5.1.2, 5.1.5
//}1
Output for 5.1.0

Process exited with code 137.