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run code in 150+ php & hhvm versions
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<?php var_dump((bool)"0");
Output for 4.3.0 - 5.6.29, 7.0.0 - 7.1.1
bool(false)
Output for hhvm-3.17.1
/bin/hhvm-3.17.1: error while loading shared libraries: libpcre.so.3: cannot open shared object file: No such file or directory
Process exited with code 127.