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<?php print(strtolower("NERSES SRAPIONYAN<br>")); print(strtoupper("nerses srapionyan.")); print(ucfirst("nerses")); ?>
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
nerses srapionyan<br>NERSES SRAPIONYAN.Nerses