3v4l.org

run code in 500+ PHP versions simultaneously
<?php foreach (['2026/10/22+1 days','2026/10/22 +1 days','2026/10/22+0 days'] as $s) { $t = strtotime($s); echo $s, ' => ', var_export($t, true), ' => ', $t === false ? 'FALSE' : date('Y/m/d H:i:s', $t), PHP_EOL; }
Output for 8.2.0 - 8.2.34, 8.3.0 - 8.3.35, 8.4.1 - 8.4.26, 8.5.0 - 8.5.11
2026/10/22+1 days => 1792706400 => 2026/10/23 00:00:00 2026/10/22 +1 days => 1792706400 => 2026/10/23 00:00:00 2026/10/22+0 days => 1792620000 => 2026/10/22 00:00:00
preferences:
27.37 ms | 1152 KiB | 7 Q