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<?php class A implements ArrayAccess { function offsetGet($a){ throw new Error; } function offsetExists($a){ echo "noooooooooo"; return false; } function offsetSet($a, $b){} function offsetUnset($a){} } $x = new A; var_dump($x[10] ?? 20); var_dump($f ?? 20);
Output for git.master, git.master_jit, rfc.property-hooks
Deprecated: Return type of A::offsetExists($a) should either be compatible with ArrayAccess::offsetExists(mixed $offset): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/SbMuT on line 9 Deprecated: Return type of A::offsetGet($a) should either be compatible with ArrayAccess::offsetGet(mixed $offset): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/SbMuT on line 5 Deprecated: Return type of A::offsetSet($a, $b) should either be compatible with ArrayAccess::offsetSet(mixed $offset, mixed $value): void, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/SbMuT on line 14 Deprecated: Return type of A::offsetUnset($a) should either be compatible with ArrayAccess::offsetUnset(mixed $offset): void, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/SbMuT on line 15 nooooooooooint(20) int(20)

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