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run code in 200+ php & hhvm versions
Bugs & Features
<?php $rm = new ReflectionMethod('UConverter', 'getAliases'); var_dump($rm->getNumberOfRequiredParameters());
Output for hhvm-3.18.5 - 3.22.0, 7.0.25, 7.1.11 - 7.3.1
int(1)
Output for 5.6.0 - 5.6.30, 7.0.0 - 7.0.24, 7.1.0 - 7.1.10
int(0)