3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $ar1 = [0,1,2,3,4]; $ar2 = [5,6,7,8,9]; var_dump($ar1); var_dump($ar2); var_dump(array_merge($ar1, $ar2));
Output for 5.4.0 - 7.2.6
array(5) { [0]=> int(0) [1]=> int(1) [2]=> int(2) [3]=> int(3) [4]=> int(4) } array(5) { [0]=> int(5) [1]=> int(6) [2]=> int(7) [3]=> int(8) [4]=> int(9) } array(10) { [0]=> int(0) [1]=> int(1) [2]=> int(2) [3]=> int(3) [4]=> int(4) [5]=> int(5) [6]=> int(6) [7]=> int(7) [8]=> int(8) [9]=> int(9) }
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/tUA2u on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected '[' in /in/tUA2u on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/tUA2u on line 3
Process exited with code 255.