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<?php class M implements ArrayAccess { private $arr; public function _construct() { $this->arr = array(1, 2, 3, 4); } public function offsetExists ( $offset ) { return isset($this->arr[$offset]); } public function offsetGet ( $offset ) { return $this->arr[$offset]; } public function offsetSet ( $offset , $value ) { $this->arr[$offset] = $value; } public function offsetUnset ( $offset ) { unset($this->arr[$offset]); } } $m = new M(); var_dump($m[1]);
Output for 8.3.0 - 8.3.6
Deprecated: Return type of M::offsetExists($offset) should either be compatible with ArrayAccess::offsetExists(mixed $offset): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/3s0C9 on line 6 Deprecated: Return type of M::offsetGet($offset) should either be compatible with ArrayAccess::offsetGet(mixed $offset): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/3s0C9 on line 7 Deprecated: Return type of M::offsetSet($offset, $value) should either be compatible with ArrayAccess::offsetSet(mixed $offset, mixed $value): void, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/3s0C9 on line 8 Deprecated: Return type of M::offsetUnset($offset) should either be compatible with ArrayAccess::offsetUnset(mixed $offset): void, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/3s0C9 on line 9 Warning: Trying to access array offset on null in /in/3s0C9 on line 7 NULL
Output for 8.1.0 - 8.1.28, 8.2.0 - 8.2.18
Deprecated: Return type of M::offsetExists($offset) should either be compatible with ArrayAccess::offsetExists(mixed $offset): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/3s0C9 on line 6 Deprecated: Return type of M::offsetGet($offset) should either be compatible with ArrayAccess::offsetGet(mixed $offset): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/3s0C9 on line 7 Deprecated: Return type of M::offsetSet($offset, $value) should either be compatible with ArrayAccess::offsetSet(mixed $offset, mixed $value): void, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/3s0C9 on line 8 Deprecated: Return type of M::offsetUnset($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/3s0C9 on line 9 Warning: Trying to access array offset on value of type null in /in/3s0C9 on line 7 NULL
Output for 8.0.0 - 8.0.30
Warning: Trying to access array offset on value of type null in /in/3s0C9 on line 7 NULL
Output for 7.4.0 - 7.4.33
Notice: Trying to access array offset on value of type null in /in/3s0C9 on line 7 NULL
Output for 5.0.0 - 5.0.5, 5.1.0 - 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 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33
NULL
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STRING, expecting '{' in /in/3s0C9 on line 3
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/3s0C9 on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `'{'' in /in/3s0C9 on line 3
Process exited with code 255.

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