Online PHP editor | refs for f3a8gu

<?php $startTime = '19:00'; $endTime = '8:00'; if (!preg_match("~^(?|(2)\K[0-3]|([01]?)\K\d):[0-5]\d$~", $startTime, $start) || !preg_match("~^(?|(2)\K[0-3]|([01]?)\K\d):[0-5]\d$~", $endTime, $end) || (int)$start[1] . $start[0] > (int)$end[1] . $end[0]) { // var_export($start); echo "\nTime Error\n"; // var_export(((int)$start[1] . $start[0]) . ' versus ' . ((int)$end[1] . $end[0])); }