Online PHP editor | vld for 3Q1XF

<?php class FooBar { const INTERVAL_ONE_MINUTE = 'minute'; const INTERVAL_TWO_MINUTES = 120000; const INTERVAL_FIVE_MINUTES = 300000; const INTERVAL_TEN_MINUTES = 600000; const INTERVAL_QUARTER_HOUR = 'fifteen'; const INTERVAL_HALF_HOUR = 'thirty'; const INTERVAL_ONE_HOUR = 'hour'; const INTERVAL_TWO_HOURS = 7.2e+6; const INTERVAL_FOUR_HOURS = 1.44e+7; const INTERVAL_HALF_DAY = 4.32e+7; const INTERVAL_ONE_DAY = 'day'; const INTERVAL_TWO_DAYS = 1.728e+8; const INTERVAL_ONE_WEEK = 6.048e+8; } echo FooBar::INTERVAL_ONE_MINUTE;