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<?php try { try { try { throw new Exception('Foo'); } finally { throw new Exception('Bar', 0, null); } } catch (Exception $e) { throw new Exception('Zot', 0, $e); } } catch(Exception $exception) { $foo = $exception; while ($foo = $foo->getPrevious()) { $previous++; echo "Previous $previous\n"; var_dump($foo); } }
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Warning: Undefined variable $previous in /in/0OZsl on line 20 Previous 1 object(Exception)#2 (7) { ["message":protected]=> string(3) "Bar" ["string":"Exception":private]=> string(0) "" ["code":protected]=> int(0) ["file":protected]=> string(9) "/in/0OZsl" ["line":protected]=> int(10) ["trace":"Exception":private]=> array(0) { } ["previous":"Exception":private]=> object(Exception)#1 (7) { ["message":protected]=> string(3) "Foo" ["string":"Exception":private]=> string(0) "" ["code":protected]=> int(0) ["file":protected]=> string(9) "/in/0OZsl" ["line":protected]=> int(7) ["trace":"Exception":private]=> array(0) { } ["previous":"Exception":private]=> NULL } } Previous 2 object(Exception)#1 (7) { ["message":protected]=> string(3) "Foo" ["string":"Exception":private]=> string(0) "" ["code":protected]=> int(0) ["file":protected]=> string(9) "/in/0OZsl" ["line":protected]=> int(7) ["trace":"Exception":private]=> array(0) { } ["previous":"Exception":private]=> NULL }
Output for 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.33
Notice: Undefined variable: previous in /in/0OZsl on line 20 Previous 1 object(Exception)#2 (7) { ["message":protected]=> string(3) "Bar" ["string":"Exception":private]=> string(0) "" ["code":protected]=> int(0) ["file":protected]=> string(9) "/in/0OZsl" ["line":protected]=> int(10) ["trace":"Exception":private]=> array(0) { } ["previous":"Exception":private]=> object(Exception)#1 (7) { ["message":protected]=> string(3) "Foo" ["string":"Exception":private]=> string(0) "" ["code":protected]=> int(0) ["file":protected]=> string(9) "/in/0OZsl" ["line":protected]=> int(7) ["trace":"Exception":private]=> array(0) { } ["previous":"Exception":private]=> NULL } } Previous 2 object(Exception)#1 (7) { ["message":protected]=> string(3) "Foo" ["string":"Exception":private]=> string(0) "" ["code":protected]=> int(0) ["file":protected]=> string(9) "/in/0OZsl" ["line":protected]=> int(7) ["trace":"Exception":private]=> array(0) { } ["previous":"Exception":private]=> NULL }
Output for 7.3.32 - 7.3.33
Previous 1 object(Exception)#2 (7) { ["message":protected]=> string(3) "Bar" ["string":"Exception":private]=> string(0) "" ["code":protected]=> int(0) ["file":protected]=> string(9) "/in/0OZsl" ["line":protected]=> int(10) ["trace":"Exception":private]=> array(0) { } ["previous":"Exception":private]=> object(Exception)#1 (7) { ["message":protected]=> string(3) "Foo" ["string":"Exception":private]=> string(0) "" ["code":protected]=> int(0) ["file":protected]=> string(9) "/in/0OZsl" ["line":protected]=> int(7) ["trace":"Exception":private]=> array(0) { } ["previous":"Exception":private]=> NULL } } Previous 2 object(Exception)#1 (7) { ["message":protected]=> string(3) "Foo" ["string":"Exception":private]=> string(0) "" ["code":protected]=> int(0) ["file":protected]=> string(9) "/in/0OZsl" ["line":protected]=> int(7) ["trace":"Exception":private]=> array(0) { } ["previous":"Exception":private]=> NULL }
Output for 5.4.0 - 5.4.45
Parse error: syntax error, unexpected 'finally' (T_STRING), expecting catch (T_CATCH) in /in/0OZsl on line 9
Process exited with code 255.
Output for 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29
Parse error: syntax error, unexpected T_STRING, expecting T_CATCH in /in/0OZsl on line 9
Process exited with code 255.
Output for 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_STRING, expecting T_CATCH in /in/0OZsl on line 9
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected '{' in /in/0OZsl 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
Parse error: parse error, unexpected '{' in /in/0OZsl on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/0OZsl on line 3
Process exited with code 255.

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