3v4l.org

run code in 300+ PHP versions simultaneously
<?php interface Spam extends \Traversable { // ... } final class Ham implements Spam, \IteratorAggregate { public function getIterator() { return new \ArrayIterator(range(1, 10)); } }
Output for 8.1.0 - 8.1.11
Deprecated: Return type of Ham::getIterator() should either be compatible with IteratorAggregate::getIterator(): Traversable, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/X7jYt on line 10
Output for 7.4.0 - 7.4.32, 8.0.0 - 8.0.24
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.30, 7.0.0 - 7.0.25, 7.1.0 - 7.1.20, 7.2.6 - 7.2.33, 7.3.16 - 7.3.33
Fatal error: Class Ham must implement interface Traversable as part of either Iterator or IteratorAggregate in Unknown on line 0
Process exited with code 255.
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17
Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/X7jYt on line 3 Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/X7jYt on line 8 Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/X7jYt on line 12 Fatal error: Class Ham must implement interface Traversable as part of either Iterator or IteratorAggregate in Unknown on line 0
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STRING in /in/X7jYt 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 in /in/X7jYt on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/X7jYt on line 3
Process exited with code 255.

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