fix calculation of duration
fix calculation of duration
phpmetrics/PhpMetrics,UFOMelkor/PhpMetrics,UFOMelkor/PhpMetrics,Halleck45/PhpMetrics,Halleck45/PhpMetrics,phpmetrics/PhpMetrics,UFOMelkor/PhpMetrics,phpmetrics/PhpMetrics,fonsecas72/PhpMetrics,fonsecas72/PhpMetrics