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<?php class BaseTask {} class Queue extends \SplQueue { public function enqueue(BaseTask $task) { return parent::enqueue($task); } } $queue = new Queue; $queue->enqueue(new BaseTask); var_dump($queue);
Output for 7.0.0 - 7.2.0
Warning: Declaration of Queue::enqueue(BaseTask $task) should be compatible with SplQueue::enqueue($value) in /in/Jh97c on line 10 object(Queue)#1 (2) { ["flags":"SplDoublyLinkedList":private]=> int(4) ["dllist":"SplDoublyLinkedList":private]=> array(1) { [0]=> object(BaseTask)#2 (0) { } } }
Output for 5.4.0 - 5.6.28
Strict Standards: Declaration of Queue::enqueue() should be compatible with SplQueue::enqueue($value) in /in/Jh97c on line 10 object(Queue)#1 (2) { ["flags":"SplDoublyLinkedList":private]=> int(4) ["dllist":"SplDoublyLinkedList":private]=> array(1) { [0]=> object(BaseTask)#2 (0) { } } }
Output for 5.3.0 - 5.3.29
Strict Standards: Declaration of Queue::enqueue() should be compatible with that of SplQueue::enqueue() in /in/Jh97c on line 10 object(Queue)#1 (2) { ["flags":"SplDoublyLinkedList":private]=> int(4) ["dllist":"SplDoublyLinkedList":private]=> array(1) { [0]=> object(BaseTask)#2 (0) { } } }
Output for 5.0.0 - 5.2.17
Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/Jh97c on line 4 Fatal error: Class 'SplQueue' not found in /in/Jh97c on line 4
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/Jh97c on line 4 Parse error: syntax error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/Jh97c on line 6
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1
Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/Jh97c on line 4 Parse error: parse error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/Jh97c on line 6
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/Jh97c on line 4 Parse error: parse error, expecting `T_OLD_FUNCTION' or `T_FUNCTION' or `T_VAR' or `'}'' in /in/Jh97c on line 6
Process exited with code 255.