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run code in 200+ php & hhvm versions
Bugs & Features
<?php echo "\u{Aa}"; echo "\u{0000aa}"; echo "\u{9999}";
based on J8dg4
Output for 7.0.0 - 7.2.0
ªª香
Output for 5.3.20 - 5.6.28
\u{Aa}\u{0000aa}\u{9999}