3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = array('a', 'b', 'c'); $result = array(); for ($i = 0; $i < 5; $i++) { array_push($result, ...$array); } var_dump($result);
Output for 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
array(15) { [0]=> string(1) "a" [1]=> string(1) "b" [2]=> string(1) "c" [3]=> string(1) "a" [4]=> string(1) "b" [5]=> string(1) "c" [6]=> string(1) "a" [7]=> string(1) "b" [8]=> string(1) "c" [9]=> string(1) "a" [10]=> string(1) "b" [11]=> string(1) "c" [12]=> string(1) "a" [13]=> string(1) "b" [14]=> string(1) "c" }
Output for 4.4.2 - 4.4.9, 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 - 5.5.38
Parse error: syntax error, unexpected '.' in /in/0kQQO on line 6
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected '.' in /in/0kQQO on line 6
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/0kQQO on line 6
Process exited with code 255.

preferences:
252.1 ms | 401 KiB | 397 Q