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<?php $x = ['a','b']; try { $y = array_map(function($x){ throw new \Exception(); }, $x); } catch (\Exception $e){var_dump($e);} var_dump($y);
Output for 7.0.0 - 7.1.0
object(Exception)#2 (7) { ["message":protected]=> string(0) "" ["string":"Exception":private]=> string(0) "" ["code":protected]=> int(0) ["file":protected]=> string(9) "/in/NiXZZ" ["line":protected]=> int(6) ["trace":"Exception":private]=> array(2) { [0]=> array(2) { ["function"]=> string(9) "{closure}" ["args"]=> array(1) { [0]=> string(1) "a" } } [1]=> array(4) { ["file"]=> string(9) "/in/NiXZZ" ["line"]=> int(6) ["function"]=> string(9) "array_map" ["args"]=> array(2) { [0]=> object(Closure)#1 (1) { ["parameter"]=> array(1) { ["$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/NiXZZ on line 8 NULL
Output for 5.4.0 - 5.6.28
Warning: array_map(): An error occurred while invoking the map callback in /in/NiXZZ on line 6 object(Exception)#2 (7) { ["message":protected]=> string(0) "" ["string":"Exception":private]=> string(0) "" ["code":protected]=> int(0) ["file":protected]=> string(9) "/in/NiXZZ" ["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/NiXZZ" ["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/NiXZZ on line 8 NULL
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/NiXZZ 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/NiXZZ on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/NiXZZ on line 3
Process exited with code 255.