3v4l.org

run code in 300+ PHP versions simultaneously
<?php function roundTime(int $seconds, int $intervalInMinutes, bool $roundDown) { $functionName = $roundDown ? 'floor' : 'ceil'; $intervalSeconds = $intervalInMinutes * 60; $roundedSeconds = $functionName($seconds / $intervalSeconds) * $intervalSeconds; return date('H:i', $roundedSeconds) . "\n"; } echo roundTime(3600* 14 + 14 * 60, 15, FALSE); echo roundTime(3600* 14 + 15 * 60, 15, FALSE); echo roundTime(3600* 14 + 16 * 60, 15, FALSE); echo "\n"; echo roundTime(3600* 14 + 14 * 60, 15, TRUE); echo roundTime(3600* 14 + 15 * 60, 15, TRUE); echo roundTime(3600* 14 + 16 * 60, 15, TRUE); echo "\n"; echo roundTime(3600* 14 + 14 * 60, 30, FALSE); echo roundTime(3600* 14 + 31 * 60, 30, FALSE); echo roundTime(3600* 14 + 46 * 60, 30, FALSE); echo "\n"; echo roundTime(3600* 14 + 14 * 60, 30, TRUE); echo roundTime(3600* 14 + 31 * 60, 30, TRUE); echo roundTime(3600* 14 + 46 * 60, 30, TRUE); echo "\n";
Output for 8.1.0 - 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.30, 8.4.1 - 8.4.18, 8.5.0 - 8.5.3
15:15 15:15 15:30 15:00 15:15 15:15 15:30 16:00 16:00 15:00 15:30 15:30

preferences:
55.19 ms | 982 KiB | 4 Q