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<?php class MyStorage implements ArrayAccess { private $map; public function offsetExists($n){ return isset($this->map[$n]); } public function offsetGet($n){ return $this->map[$n]; } public function offsetSet($n, $v){ $this->map[$n] = $v; } public function offsetUnset($n){ unset($this->map[$n]); } } $s = new MyStorage(); $s['blah'] = ['a' => 1, 'b' => 2, 'c' => 3]; var_dump($s['blah']); $s['blah']['a'] = 10; var_dump($s['blah']);
Output for 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.28, 8.4.1 - 8.4.14, 8.5.0 - 8.5.1
Deprecated: Return type of MyStorage::offsetExists($n) should either be compatible with ArrayAccess::offsetExists(mixed $offset): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/r0Okl on line 5 Deprecated: Return type of MyStorage::offsetGet($n) should either be compatible with ArrayAccess::offsetGet(mixed $offset): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/r0Okl on line 6 Deprecated: Return type of MyStorage::offsetSet($n, $v) should either be compatible with ArrayAccess::offsetSet(mixed $offset, mixed $value): void, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/r0Okl on line 7 Deprecated: Return type of MyStorage::offsetUnset($n) should either be compatible with ArrayAccess::offsetUnset(mixed $offset): void, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/r0Okl on line 8 array(3) { ["a"]=> int(1) ["b"]=> int(2) ["c"]=> int(3) } Notice: Indirect modification of overloaded element of MyStorage has no effect in /in/r0Okl on line 15 array(3) { ["a"]=> int(1) ["b"]=> int(2) ["c"]=> int(3) }
Output for 8.4.15
/bin/php-8.4.15: /usr/lib/libm.so.6: version `GLIBC_2.38' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libm.so.6: version `GLIBC_2.35' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libc.so.6: version `GLIBC_2.34' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libc.so.6: version `GLIBC_2.38' not found (required by /bin/php-8.4.15)
Process exited with code 1.
Output for 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.34, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30
array(3) { ["a"]=> int(1) ["b"]=> int(2) ["c"]=> int(3) } Notice: Indirect modification of overloaded element of MyStorage has no effect in /in/r0Okl on line 15 array(3) { ["a"]=> int(1) ["b"]=> int(2) ["c"]=> int(3) }

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