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<?php class caster implements ArrayAccess{ function offsetGet($o){ return "ehy"; } function offsetSet($a, $b){ return $b . "asdf"; } function offsetUnset($a){ } function offsetExists($a){ } } function c(){ return new caster; } $fac = c()[1] = 10 + 10; var_dump($fac);
Output for git.master, git.master_jit, rfc.property-hooks
Deprecated: Return type of caster::offsetExists($a) should either be compatible with ArrayAccess::offsetExists(mixed $offset): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/l6h7V on line 16 Deprecated: Return type of caster::offsetGet($o) should either be compatible with ArrayAccess::offsetGet(mixed $offset): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/l6h7V on line 4 Deprecated: Return type of caster::offsetSet($a, $b) should either be compatible with ArrayAccess::offsetSet(mixed $offset, mixed $value): void, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/l6h7V on line 8 Deprecated: Return type of caster::offsetUnset($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/l6h7V on line 12 int(20)

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