3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo date("Y-m-d\TH:i:s+01:00", strtotime("+1 day",date("Y-m-d 23:59:59")));
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Fatal error: Uncaught TypeError: strtotime(): Argument #2 ($baseTimestamp) must be of type ?int, string given in /in/KhmKf:3 Stack trace: #0 /in/KhmKf(3): strtotime('+1 day', '2014-05-22 23:5...') #1 {main} thrown in /in/KhmKf on line 3
Process exited with code 255.
Output for 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.37, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.12 - 7.3.31, 7.4.0 - 7.4.25, 7.4.27 - 7.4.33
Notice: A non well formed numeric value encountered in /in/KhmKf on line 3 1970-01-02T01:33:34+01:00
Output for 7.3.32 - 7.3.33, 7.4.26
1970-01-02T00:33:34+01:00
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.3 - 5.0.5
1970-01-02T01:33:34+01:00
Output for 5.0.0 - 5.0.2
1970-01-02T00:00:00+01:00

preferences:
246.48 ms | 401 KiB | 351 Q