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run code in 200+ php & hhvm versions
Bugs & Features
<?php var_dump(mb_encoding_aliases());
Output for 7.0.0 - 7.2.0
Warning: mb_encoding_aliases() expects exactly 1 parameter, 0 given in /in/LfNXM on line 3 NULL
Output for 5.4.0 - 5.6.25
Warning: mb_encoding_aliases() expects exactly 1 parameter, 0 given in /in/LfNXM on line 3 bool(false)