3v4l.org

run code in 300+ PHP versions simultaneously
<?php print_r(get_thirty_days((new \DateTime())->getTimestamp())); function get_thirty_days(int $start_date_ts, int $days = null) { $days = $days ?? 30; $dates = []; while ($days--) { $dates[] = date('Y-m-d', $start_date_ts + ($days * (60 * 60 * 24))); } return $dates; }
Output for 8.4.1 - 8.4.13
Deprecated: get_thirty_days(): Implicitly marking parameter $days as nullable is deprecated, the explicit nullable type must be used instead in /in/UXPA0 on line 5 Array ( [0] => 2018-01-30 [1] => 2018-01-29 [2] => 2018-01-28 [3] => 2018-01-27 [4] => 2018-01-26 [5] => 2018-01-25 [6] => 2018-01-24 [7] => 2018-01-23 [8] => 2018-01-22 [9] => 2018-01-21 [10] => 2018-01-20 [11] => 2018-01-19 [12] => 2018-01-18 [13] => 2018-01-17 [14] => 2018-01-16 [15] => 2018-01-15 [16] => 2018-01-14 [17] => 2018-01-13 [18] => 2018-01-12 [19] => 2018-01-11 [20] => 2018-01-10 [21] => 2018-01-09 [22] => 2018-01-08 [23] => 2018-01-07 [24] => 2018-01-06 [25] => 2018-01-05 [26] => 2018-01-04 [27] => 2018-01-03 [28] => 2018-01-02 [29] => 2018-01-01 )
Output for 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.5, 7.4.7 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.25
Array ( [0] => 2018-01-30 [1] => 2018-01-29 [2] => 2018-01-28 [3] => 2018-01-27 [4] => 2018-01-26 [5] => 2018-01-25 [6] => 2018-01-24 [7] => 2018-01-23 [8] => 2018-01-22 [9] => 2018-01-21 [10] => 2018-01-20 [11] => 2018-01-19 [12] => 2018-01-18 [13] => 2018-01-17 [14] => 2018-01-16 [15] => 2018-01-15 [16] => 2018-01-14 [17] => 2018-01-13 [18] => 2018-01-12 [19] => 2018-01-11 [20] => 2018-01-10 [21] => 2018-01-09 [22] => 2018-01-08 [23] => 2018-01-07 [24] => 2018-01-06 [25] => 2018-01-05 [26] => 2018-01-04 [27] => 2018-01-03 [28] => 2018-01-02 [29] => 2018-01-01 )
Output for 7.4.6
Array ( [0] => 2020-06-15 [1] => 2020-06-14 [2] => 2020-06-13 [3] => 2020-06-12 [4] => 2020-06-11 [5] => 2020-06-10 [6] => 2020-06-09 [7] => 2020-06-08 [8] => 2020-06-07 [9] => 2020-06-06 [10] => 2020-06-05 [11] => 2020-06-04 [12] => 2020-06-03 [13] => 2020-06-02 [14] => 2020-06-01 [15] => 2020-05-31 [16] => 2020-05-30 [17] => 2020-05-29 [18] => 2020-05-28 [19] => 2020-05-27 [20] => 2020-05-26 [21] => 2020-05-25 [22] => 2020-05-24 [23] => 2020-05-23 [24] => 2020-05-22 [25] => 2020-05-21 [26] => 2020-05-20 [27] => 2020-05-19 [28] => 2020-05-18 [29] => 2020-05-17 )
Output for 5.6.0 - 5.6.40
Parse error: syntax error, unexpected '?' in /in/UXPA0 on line 6
Process exited with code 255.

preferences:
153.6 ms | 411 KiB | 5 Q