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<?php class App_Collection implements ArrayAccess, IteratorAggregate, Countable { public $data = array('x'=>'a'); public function count() { return count($this->data); } public function offsetExists($offset) { return (isset($this->data[$offset])); } public function offsetGet($offset) { if ($this->offsetExists($offset)) { return $this->data[$offset]; } return false; } public function offsetSet($offset, $value) { if ($offset) { $this->data[$offset] = $value; } else { $this->data[] = $value; } } public function offsetUnset($offset) { unset($this->data[$offset]); } public function getIterator() { return new ArrayIterator($this->data); } } $array = new App_Collection(); var_dump(isset($array['x'])); var_dump(array_key_exists($array['x']));
Output for 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.7
Deprecated: Return type of App_Collection::offsetExists($offset) should either be compatible with ArrayAccess::offsetExists(mixed $offset): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/n8Xbi on line 11 Deprecated: Return type of App_Collection::offsetGet($offset) should either be compatible with ArrayAccess::offsetGet(mixed $offset): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/n8Xbi on line 16 Deprecated: Return type of App_Collection::offsetSet($offset, $value) should either be compatible with ArrayAccess::offsetSet(mixed $offset, mixed $value): void, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/n8Xbi on line 25 Deprecated: Return type of App_Collection::offsetUnset($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/n8Xbi on line 37 Deprecated: Return type of App_Collection::getIterator() should either be compatible with IteratorAggregate::getIterator(): Traversable, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/n8Xbi on line 42 Deprecated: Return type of App_Collection::count() should either be compatible with Countable::count(): int, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/n8Xbi on line 6 bool(true) Fatal error: Uncaught ArgumentCountError: array_key_exists() expects exactly 2 arguments, 1 given in /in/n8Xbi:50 Stack trace: #0 /in/n8Xbi(50): array_key_exists('a') #1 {main} thrown in /in/n8Xbi on line 50
Process exited with code 255.
Output for 8.0.0 - 8.0.30
bool(true) Fatal error: Uncaught ArgumentCountError: array_key_exists() expects exactly 2 arguments, 1 given in /in/n8Xbi:50 Stack trace: #0 /in/n8Xbi(50): array_key_exists('a') #1 {main} thrown in /in/n8Xbi on line 50
Process exited with code 255.
Output for 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, 7.4.0 - 7.4.33
bool(true) Warning: array_key_exists() expects exactly 2 parameters, 1 given in /in/n8Xbi on line 50 NULL
Output for 5.1.0 - 5.1.6, 5.2.0 - 5.2.17
bool(true) Warning: Wrong parameter count for array_key_exists() in /in/n8Xbi on line 50 NULL
Output for 5.0.5
Fatal error: Interface 'Countable' not found in /in/n8Xbi on line 2
Process exited with code 255.
Output for 5.0.0 - 5.0.4
Fatal error: Class 'Countable' not found in /in/n8Xbi on line 2
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STRING, expecting '{' in /in/n8Xbi on line 2
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/n8Xbi on line 2
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `'{'' in /in/n8Xbi on line 2
Process exited with code 255.
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