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run code in 150+ php & hhvm versions
Bugs & Features
<?php $str = "Asd/Bcd"; var_dump($str.explode("/", $str));
Output for 5.4.0 - 5.6.28, hhvm-3.12.0, 7.0.0 - 7.1.0
Notice: Array to string conversion in /in/TZYEq on line 3 string(12) "Asd/BcdArray"
Output for hhvm-3.10.0

Process exited with code 153.
Output for 4.3.0 - 5.3.29
string(12) "Asd/BcdArray"