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run code in 150+ php & hhvm versions
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<?php call_user_func_array('call_user_func_array', $array = array('call_user_func_array', &$array));
Output for 4.3.0 - 5.6.28, 7.0.0 - 7.1.0

Process exited with code 139.
Output for hhvm-3.12.0
Assertion failure: /build/hhvm/src/hhvm-HHVM-3.12.0/hphp/runtime/base/runtime-error.cpp:48: void HPHP::raise_error(const string&): assertion `0' failed.
Process exited with code 134.
Output for hhvm-3.10.0

Process exited with code 137.