3v4l.org

run code in 300+ PHP versions simultaneously
<?php $x = ['a','b']; try { $y = @array_map(function($x){ throw new \Exception(); }, $x); } catch (\Exception $e){var_dump($e);} var_dump($y);
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.7
object(Exception)#2 (7) { ["message":protected]=> string(0) "" ["string":"Exception":private]=> string(0) "" ["code":protected]=> int(0) ["file":protected]=> string(9) "/in/9310V" ["line":protected]=> int(6) ["trace":"Exception":private]=> array(2) { [0]=> array(2) { ["function"]=> string(9) "{closure}" ["args"]=> array(1) { [0]=> string(1) "a" } } [1]=> array(4) { ["file"]=> string(9) "/in/9310V" ["line"]=> int(6) ["function"]=> string(9) "array_map" ["args"]=> array(2) { [0]=> object(Closure)#1 (1) { ["parameter"]=> array(1) { ["$x"]=> string(10) "<required>" } } [1]=> array(2) { [0]=> string(1) "a" [1]=> string(1) "b" } } } } ["previous":"Exception":private]=> NULL } Warning: Undefined variable $y in /in/9310V on line 8 NULL
Output for 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.7 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.29 - 7.2.33, 7.3.12 - 7.3.31, 7.4.0 - 7.4.33
object(Exception)#2 (7) { ["message":protected]=> string(0) "" ["string":"Exception":private]=> string(0) "" ["code":protected]=> int(0) ["file":protected]=> string(9) "/in/9310V" ["line":protected]=> int(6) ["trace":"Exception":private]=> array(2) { [0]=> array(2) { ["function"]=> string(9) "{closure}" ["args"]=> array(1) { [0]=> string(1) "a" } } [1]=> array(4) { ["file"]=> string(9) "/in/9310V" ["line"]=> int(6) ["function"]=> string(9) "array_map" ["args"]=> array(2) { [0]=> object(Closure)#1 (1) { ["parameter"]=> array(1) { ["$x"]=> string(10) "<required>" } } [1]=> array(2) { [0]=> string(1) "a" [1]=> string(1) "b" } } } } ["previous":"Exception":private]=> NULL } Notice: Undefined variable: y in /in/9310V on line 8 NULL
Output for 7.3.32 - 7.3.33
object(Exception)#2 (7) { ["message":protected]=> string(0) "" ["string":"Exception":private]=> string(0) "" ["code":protected]=> int(0) ["file":protected]=> string(9) "/in/9310V" ["line":protected]=> int(6) ["trace":"Exception":private]=> array(2) { [0]=> array(2) { ["function"]=> string(9) "{closure}" ["args"]=> array(1) { [0]=> string(1) "a" } } [1]=> array(4) { ["file"]=> string(9) "/in/9310V" ["line"]=> int(6) ["function"]=> string(9) "array_map" ["args"]=> array(2) { [0]=> object(Closure)#1 (1) { ["parameter"]=> array(1) { ["$x"]=> string(10) "<required>" } } [1]=> array(2) { [0]=> string(1) "a" [1]=> string(1) "b" } } } } ["previous":"Exception":private]=> NULL } NULL
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
Parse error: syntax error, unexpected '[' in /in/9310V on line 3
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/9310V on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/9310V on line 3
Process exited with code 255.

preferences:
183.58 ms | 401 KiB | 313 Q