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<?php class A{} class B{} class CustomList extends ArrayObject{ protected $validType = 'A'; public function offsetSet($index, $val) { if(! $val instanceof $this->validType) { throw new \Exception('Cannot add item object of class '.get_class($val)); } } } $list = new CustomList(); $a = new A(); $b = new B(); $list[] = $a; $list[] = $b;
Output for 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Deprecated: Return type of CustomList::offsetSet($index, $val) should either be compatible with ArrayObject::offsetSet(mixed $key, mixed $value): void, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/P7J2N on line 9 Fatal error: Uncaught Exception: Cannot add item object of class B in /in/P7J2N:11 Stack trace: #0 /in/P7J2N(20): CustomList->offsetSet(NULL, Object(B)) #1 {main} thrown in /in/P7J2N on line 11
Process exited with code 255.
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.12 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30
Fatal error: Uncaught Exception: Cannot add item object of class B in /in/P7J2N:11 Stack trace: #0 /in/P7J2N(20): CustomList->offsetSet(NULL, Object(B)) #1 {main} thrown in /in/P7J2N on line 11
Process exited with code 255.
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.28
Fatal error: Uncaught exception 'Exception' with message 'Cannot add item object of class B' in /in/P7J2N:11 Stack trace: #0 /in/P7J2N(20): CustomList->offsetSet(NULL, Object(B)) #1 {main} thrown in /in/P7J2N on line 11
Process exited with code 255.
Output for 5.1.3 - 5.1.6, 5.2.0 - 5.2.17
Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/P7J2N on line 11 Fatal error: Uncaught exception 'Exception' with message 'Cannot add item object of class B' in /in/P7J2N:11 Stack trace: #0 /in/P7J2N(20): CustomList->offsetSet(NULL, Object(B)) #1 {main} thrown in /in/P7J2N on line 11
Process exited with code 255.
Output for 5.1.0 - 5.1.2
Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/P7J2N on line 11 Fatal error: Uncaught exception 'Exception' with message 'Cannot add item object of class B' in /in/P7J2N:11 Stack trace: #0 /in/P7J2N(20): CustomList::offsetSet(NULL, Object(B)) #1 {main} thrown in /in/P7J2N on line 11
Process exited with code 255.
Output for 5.0.4 - 5.0.5
Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/P7J2N on line 11
Process exited with code 139.
Output for 5.0.0 - 5.0.3
Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/P7J2N on line 11
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/P7J2N on line 7
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 T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/P7J2N on line 7
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `T_OLD_FUNCTION' or `T_FUNCTION' or `T_VAR' or `'}'' in /in/P7J2N on line 7
Process exited with code 255.
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