3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo date("Y-m-d", strtotime('monday this week')), "\n"; echo date("Y-m-d", strtotime('sunday this week')), "\n";
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.34, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.31, 8.2.0 - 8.2.27, 8.3.0 - 8.3.16, 8.4.1 - 8.4.3
2025-01-13 2025-01-19
Output for 4.3.5 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17
2025-01-20 2025-01-19
Output for 4.3.0 - 4.3.4
2025-01-27 2025-01-26
preferences:
144.31 ms | 408 KiB | 5 Q