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<?php /** * @template-implements ArrayAccess<int, string> */ class C implements ArrayAccess { /** * @param int $offset * @return bool */ public function offsetExists($offset) { return true; } /** * @param int $offset * @return string */ public function offsetGet($offset) { return "";} /** * @param ?int $offset * @return void */ public function offsetSet($offset, $value) { /** @psalm-suppress ForbiddenCode */ var_dump(__METHOD__, array("offset" => $offset, "value" => $value)); } /** * @param int $offset * @return void */ public function offsetUnset($offset) { } } $q = new C; $q[] = '123'; // should only be forbidden when offsetSet does not accept null as its first parameter
Output for 8.1.0 - 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.30, 8.4.1 - 8.4.18, 8.5.0 - 8.5.3
Deprecated: Return type of C::offsetExists($offset) should either be compatible with ArrayAccess::offsetExists(mixed $offset): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/uVUXY on line 10 Deprecated: Return type of C::offsetGet($offset) should either be compatible with ArrayAccess::offsetGet(mixed $offset): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/uVUXY on line 16 Deprecated: Return type of C::offsetSet($offset, $value) should either be compatible with ArrayAccess::offsetSet(mixed $offset, mixed $value): void, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/uVUXY on line 22 Deprecated: Return type of C::offsetUnset($offset) should either be compatible with ArrayAccess::offsetUnset(mixed $offset): void, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/uVUXY on line 31 string(12) "C::offsetSet" array(2) { ["offset"]=> NULL ["value"]=> string(3) "123" }
Output for 5.0.0 - 5.0.5, 5.1.1 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.38, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30
string(12) "C::offsetSet" array(2) { ["offset"]=> NULL ["value"]=> string(3) "123" }
Output for 5.1.0
Fatal error: fatal flex scanner internal error--end of buffer missed in /in/uVUXY on line 35
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STRING, expecting '{' in /in/uVUXY on line 5
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, expecting '{' in /in/uVUXY on line 5
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `'{'' in /in/uVUXY on line 5
Process exited with code 255.
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