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run code in 150+ php & hhvm versions
Bugs & Features
<?php var_dump(class_exists('NumberFormatter'));
Output for 5.4.0 - 5.4.45, 5.5.35, 5.6.21 - 5.6.28, 7.0.6 - 7.1.0
bool(true)
Output for 4.3.0 - 5.3.29, 5.5.0 - 5.5.34, 5.6.0 - 5.6.20, 7.0.0 - 7.0.5
bool(false)