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<?php class Data implements \ArrayAccess { private $_data; public function __construct($data = []) { $this->_data = $data; } public function offsetExists($offset) { echo 'EXISTS: ' . $offset . PHP_EOL; return isset($this->_data[$offset]); } public function &offsetGet($offset) { echo 'GET: ' . $offset . PHP_EOL; $returnValue = null; if (!isset($this->_data[$offset])) { $this->_data[$offset]=new Data(); //return new ; } $returnValue = &$this->_data[$offset]; return $returnValue; } public function offsetSet($offset, $value) { echo 'SET: ' . $offset . PHP_EOL; var_dump($value); $this->_data[$offset] = $value; } public function offsetUnset($offset) { unset($this->_data[$offset]); } } $data = new Data(); $data['aaaaa']['bbbbbb']['ccccc'];//='dddddd'; var_dump($data);
Output for 8.1.0 - 8.1.27, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
Deprecated: Return type of Data::offsetExists($offset) should either be compatible with ArrayAccess::offsetExists(mixed $offset): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/Bh56V on line 13 Deprecated: Return type of & Data::offsetGet($offset) should either be compatible with ArrayAccess::offsetGet(mixed $offset): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/Bh56V on line 19 Deprecated: Return type of Data::offsetSet($offset, $value) should either be compatible with ArrayAccess::offsetSet(mixed $offset, mixed $value): void, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/Bh56V on line 31 Deprecated: Return type of Data::offsetUnset($offset) should either be compatible with ArrayAccess::offsetUnset(mixed $offset): void, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/Bh56V on line 38 GET: aaaaa GET: bbbbbb GET: ccccc object(Data)#1 (1) { ["_data":"Data":private]=> array(1) { ["aaaaa"]=> object(Data)#2 (1) { ["_data":"Data":private]=> array(1) { ["bbbbbb"]=> object(Data)#3 (1) { ["_data":"Data":private]=> array(1) { ["ccccc"]=> object(Data)#4 (1) { ["_data":"Data":private]=> array(0) { } } } } } } } }
Output for 8.3.5
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 Deprecated: Return type of Data::offsetExists($offset) should either be compatible with ArrayAccess::offsetExists(mixed $offset): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/Bh56V on line 13 Deprecated: Return type of & Data::offsetGet($offset) should either be compatible with ArrayAccess::offsetGet(mixed $offset): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/Bh56V on line 19 Deprecated: Return type of Data::offsetSet($offset, $value) should either be compatible with ArrayAccess::offsetSet(mixed $offset, mixed $value): void, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/Bh56V on line 31 Deprecated: Return type of Data::offsetUnset($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/Bh56V on line 38 GET: aaaaa GET: bbbbbb GET: ccccc object(Data)#1 (1) { ["_data":"Data":private]=> array(1) { ["aaaaa"]=> object(Data)#2 (1) { ["_data":"Data":private]=> array(1) { ["bbbbbb"]=> object(Data)#3 (1) { ["_data":"Data":private]=> array(1) { ["ccccc"]=> object(Data)#4 (1) { ["_data":"Data":private]=> array(0) { } } } } } } } }
Output for 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.6 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30
GET: aaaaa GET: bbbbbb GET: ccccc object(Data)#1 (1) { ["_data":"Data":private]=> array(1) { ["aaaaa"]=> object(Data)#2 (1) { ["_data":"Data":private]=> array(1) { ["bbbbbb"]=> object(Data)#3 (1) { ["_data":"Data":private]=> array(1) { ["ccccc"]=> object(Data)#4 (1) { ["_data":"Data":private]=> array(0) { } } } } } } } }
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224.2 ms | 404 KiB | 210 Q