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run code in 500+ PHP versions simultaneously
<?php class RecursiveFixedArray extends SplFixedArray implements RecursiveIterator { public function getChildren(): ?RecursiveIterator { return $this->current(); } public function hasChildren(): bool { return $this->current() instanceof RecursiveFixedArray; } }
Output for 7.4.0 - 7.4.33
Output for 8.0.1 - 8.0.30, 8.1.0 - 8.1.34, 8.2.0 - 8.2.34, 8.3.0 - 8.3.35, 8.4.1 - 8.4.26
Fatal error: Class RecursiveFixedArray cannot implement both Iterator and IteratorAggregate at the same time in /in/ufapQ on line 2
Process exited with code 255.
Output for 8.5.0 - 8.5.11
Fatal error: Class RecursiveFixedArray cannot implement both Iterator and IteratorAggregate at the same time in /in/ufapQ on line 2 Stack trace: #0 {main}
Process exited with code 255.
preferences:
35.8 ms | 1143 KiB | 11 Q