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run code in 300+ PHP versions simultaneously
<?php trait Iterative { public function rewind(){ /* ... */ } public function current(){ /* ... */ } public function key(){ /* ... */ } public function next(){ /* ... */ } public function valid(){ /* ... */ } } # Class BasicIterator should implements the interface using trait class BasicIterator implements \Iterator { use Iterative; }
Output for 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Deprecated: Return type of BasicIterator::current() should either be compatible with Iterator::current(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/G7KiF on line 5 Deprecated: Return type of BasicIterator::next() should either be compatible with Iterator::next(): void, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/G7KiF on line 7 Deprecated: Return type of BasicIterator::key() should either be compatible with Iterator::key(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/G7KiF on line 6 Deprecated: Return type of BasicIterator::valid() should either be compatible with Iterator::valid(): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/G7KiF on line 8 Deprecated: Return type of BasicIterator::rewind() should either be compatible with Iterator::rewind(): void, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/G7KiF on line 4
Output for 5.4.0 - 5.4.45, 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 - 7.2.34, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30
preferences:
264.78 ms | 404 KiB | 385 Q