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<?php class FooIterator extends FilterIterator { public function accept() { return true; } } $iterator = new FooIterator(new ArrayObject()); echo $iterator->count();
Output for 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Deprecated: Return type of FooIterator::accept() should either be compatible with FilterIterator::accept(): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/T3II6 on line 3 Fatal error: Uncaught TypeError: FilterIterator::__construct(): Argument #1 ($iterator) must be of type Iterator, ArrayObject given in /in/T3II6:7 Stack trace: #0 /in/T3II6(7): FilterIterator->__construct(Object(ArrayObject)) #1 {main} thrown in /in/T3II6 on line 7
Process exited with code 255.
Output for 8.0.0 - 8.0.30
Fatal error: Uncaught TypeError: FilterIterator::__construct(): Argument #1 ($iterator) must be of type Iterator, ArrayObject given in /in/T3II6:7 Stack trace: #0 /in/T3II6(7): FilterIterator->__construct(Object(ArrayObject)) #1 {main} thrown in /in/T3II6 on line 7
Process exited with code 255.
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
Fatal error: Uncaught TypeError: Argument 1 passed to FilterIterator::__construct() must implement interface Iterator, instance of ArrayObject given in /in/T3II6:7 Stack trace: #0 /in/T3II6(7): FilterIterator->__construct(Object(ArrayObject)) #1 {main} thrown in /in/T3II6 on line 7
Process exited with code 255.
Output for 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.35, 5.6.0 - 5.6.28
Catchable fatal error: Argument 1 passed to FilterIterator::__construct() must implement interface Iterator, instance of ArrayObject given in /in/T3II6 on line 7
Process exited with code 255.
Output for 5.1.0 - 5.1.6
Fatal error: Argument 1 passed to FilterIterator::__construct() must implement interface Iterator in /in/T3II6 on line 7
Process exited with code 255.
Output for 5.0.1 - 5.0.5
Fatal error: Argument 1 must implement interface Iterator in /in/T3II6 on line 7 Fatal error: Unknown: The inner constructor wasn't initialized with an iterator instance in Unknown on line 0
Process exited with code 255.
Output for 5.0.0
Fatal error: Argument 1 must implement interface Iterator in /in/T3II6 on line 7
Process exited with code 255.
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/T3II6 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 T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/T3II6 on line 3
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/T3II6 on line 3
Process exited with code 255.

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