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<?php class ExtendedArrayObject extends ArrayObject { function offsetGet($offset) { echo "Called", PHP_EOL; return parent::offsetGet($offset, $array); } } class ExtendedArrayAccess implements ArrayAccess { private $data = array(); function __construct(array $array = array()) { $this->data = $array; } function offsetExists($offset) { return array_key_exists($offset, $this->data); } function offsetGet($offset) { return $this->data[$offset]; } function offsetSet($offset, $value) { $this->data[$offset] = $value; } function offsetUnset($offset) { unset($this->data[$offset]); } } $inputs = array( 'array' => array(), 'ExtendedArrayObject' => new ExtendedArrayObject(), 'ExtendedArrayAccess' => new ExtendedArrayAccess(), ); class Tests { function test_existing_key_with_not_empty_value($array) { $array['foo'] = 1; $this->expect(isset($array['foo']) === true, __FUNCTION__, $array); $this->expect(empty($array['foo']) === false, __FUNCTION__, $array); } function test_existing_key_with_empty_value($array) { $array['foo'] = 0; $this->expect(isset($array['foo']) === true, __FUNCTION__, $array); $this->expect(empty($array['foo']) === true, __FUNCTION__, $array); } function test_non_existent_key($array) { $this->expect(isset($array['foo']) === true, __FUNCTION__, $array); $this->expect(empty($array['foo']) === false, __FUNCTION__, $array); } function test_existing_key_with_null_value($array) { $array['foo'] = null; $this->expect(isset($array['foo']) === false, __FUNCTION__, $array); $this->expect(empty($array['foo']) === true, __FUNCTION__, $array); } private function getType($v) { return is_array($v) ? 'array' : get_class($v); } private function expect($condition, $function, $array) { if (!$condition) { echo $this->getType($array), ' failed ', $function, PHP_EOL; } } } $tests = new Tests; foreach (get_class_methods($tests) as $test) { foreach ($inputs as $structure) { $tests->$test($structure); } }
Output for 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Deprecated: Return type of ExtendedArrayObject::offsetGet($offset) should either be compatible with ArrayObject::offsetGet(mixed $key): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/7sTlX on line 4 Deprecated: Return type of ExtendedArrayAccess::offsetExists($offset) should either be compatible with ArrayAccess::offsetExists(mixed $offset): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/7sTlX on line 15 Deprecated: Return type of ExtendedArrayAccess::offsetGet($offset) should either be compatible with ArrayAccess::offsetGet(mixed $offset): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/7sTlX on line 18 Deprecated: Return type of ExtendedArrayAccess::offsetSet($offset, $value) should either be compatible with ArrayAccess::offsetSet(mixed $offset, mixed $value): void, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/7sTlX on line 21 Deprecated: Return type of ExtendedArrayAccess::offsetUnset($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/7sTlX on line 24 Called Warning: Undefined variable $array in /in/7sTlX on line 6 Fatal error: Uncaught ArgumentCountError: ArrayObject::offsetGet() expects exactly 1 argument, 2 given in /in/7sTlX:6 Stack trace: #0 /in/7sTlX(6): ArrayObject->offsetGet('foo', NULL) #1 /in/7sTlX(39): ExtendedArrayObject->offsetGet('foo') #2 /in/7sTlX(73): Tests->test_existing_key_with_not_empty_value(Object(ExtendedArrayObject)) #3 {main} thrown in /in/7sTlX on line 6
Process exited with code 255.
Output for 8.0.0 - 8.0.30
Called Warning: Undefined variable $array in /in/7sTlX on line 6 Fatal error: Uncaught ArgumentCountError: ArrayObject::offsetGet() expects exactly 1 argument, 2 given in /in/7sTlX:6 Stack trace: #0 /in/7sTlX(6): ArrayObject->offsetGet('foo', NULL) #1 /in/7sTlX(39): ExtendedArrayObject->offsetGet('foo') #2 /in/7sTlX(73): Tests->test_existing_key_with_not_empty_value(Object(ExtendedArrayObject)) #3 {main} thrown in /in/7sTlX on line 6
Process exited with code 255.
Output for 5.6.7 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.33
Called Notice: Undefined variable: array in /in/7sTlX on line 6 Warning: ArrayObject::offsetGet() expects exactly 1 parameter, 2 given in /in/7sTlX on line 6 ExtendedArrayObject failed test_existing_key_with_not_empty_value Called Notice: Undefined variable: array in /in/7sTlX on line 6 Warning: ArrayObject::offsetGet() expects exactly 1 parameter, 2 given in /in/7sTlX on line 6 array failed test_non_existent_key array failed test_non_existent_key Called Notice: Undefined variable: array in /in/7sTlX on line 6 Warning: ArrayObject::offsetGet() expects exactly 1 parameter, 2 given in /in/7sTlX on line 6 ExtendedArrayObject failed test_non_existent_key ExtendedArrayAccess failed test_non_existent_key Called Notice: Undefined variable: array in /in/7sTlX on line 6 Warning: ArrayObject::offsetGet() expects exactly 1 parameter, 2 given in /in/7sTlX on line 6 ExtendedArrayAccess failed test_existing_key_with_null_value
Output for 7.3.32 - 7.3.33
Called Warning: ArrayObject::offsetGet() expects exactly 1 parameter, 2 given in /in/7sTlX on line 6 ExtendedArrayObject failed test_existing_key_with_not_empty_value Called Warning: ArrayObject::offsetGet() expects exactly 1 parameter, 2 given in /in/7sTlX on line 6 array failed test_non_existent_key array failed test_non_existent_key Called Warning: ArrayObject::offsetGet() expects exactly 1 parameter, 2 given in /in/7sTlX on line 6 ExtendedArrayObject failed test_non_existent_key ExtendedArrayAccess failed test_non_existent_key Called Warning: ArrayObject::offsetGet() expects exactly 1 parameter, 2 given in /in/7sTlX on line 6 ExtendedArrayAccess failed test_existing_key_with_null_value
Output for 5.3.11 - 5.3.29, 5.4.1 - 5.4.45, 5.5.24 - 5.5.35
array failed test_non_existent_key array failed test_non_existent_key ExtendedArrayObject failed test_non_existent_key ExtendedArrayAccess failed test_non_existent_key ExtendedArrayAccess failed test_existing_key_with_null_value
Output for 5.2.1 - 5.2.17, 5.3.0 - 5.3.10, 5.4.0
array failed test_non_existent_key array failed test_non_existent_key ExtendedArrayObject failed test_non_existent_key ExtendedArrayAccess failed test_non_existent_key ExtendedArrayObject failed test_existing_key_with_null_value ExtendedArrayAccess failed test_existing_key_with_null_value
Output for 5.1.0 - 5.1.6, 5.2.0
ExtendedArrayObject failed test_existing_key_with_empty_value array failed test_non_existent_key array failed test_non_existent_key ExtendedArrayAccess failed test_non_existent_key ExtendedArrayObject failed test_existing_key_with_null_value ExtendedArrayObject failed test_existing_key_with_null_value ExtendedArrayAccess failed test_existing_key_with_null_value
Output for 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_ARRAY, expecting '&' or T_VARIABLE in /in/7sTlX on line 12
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STRING, expecting '{' in /in/7sTlX on line 10
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/7sTlX on line 10
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `'{'' in /in/7sTlX on line 10
Process exited with code 255.

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