3v4l.org

run code in 150+ php & hhvm versions
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<?php var_dump(html_entity_decode('&#39;', ENT_QUOTES));
based on ZZnTJ
Output for 4.3.2 - 7.1.0
string(1) "'"
Output for 4.3.0 - 4.3.1

Process exited with code 139.