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<?php class Dictionary implements ArrayAccess { function offsetExists($offset) {} function offsetGet($offset) {} function offsetUnset($offset) {} function offsetSet($offset, $value) { if (!is_string($offset)) { throw new InvalidArgumentException(); } } } try { $Dictionary = new Dictionary(); $Dictionary["12"] = 0xDEADBEEF; echo "No Exception for \"12\"\n"; } catch (InvalidArgumentException $e) { echo "Caught Exception for \"12\"\n"; } try { $str = "12"; $Dictionary[$str] = 0xDEADBEEF; echo "No Exception for \$variable = \"12\"\n"; } catch (InvalidArgumentException $e) { echo "Caught Exception for \$variable = \"12\"\n"; } ?>
Output for 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Deprecated: Return type of Dictionary::offsetExists($offset) should either be compatible with ArrayAccess::offsetExists(mixed $offset): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/XGtVh on line 3 Deprecated: Return type of Dictionary::offsetGet($offset) should either be compatible with ArrayAccess::offsetGet(mixed $offset): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/XGtVh on line 4 Deprecated: Return type of Dictionary::offsetSet($offset, $value) should either be compatible with ArrayAccess::offsetSet(mixed $offset, mixed $value): void, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/XGtVh on line 7 Deprecated: Return type of Dictionary::offsetUnset($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/XGtVh on line 5 No Exception for "12" No Exception for $variable = "12"
Output for 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30
No Exception for "12" No Exception for $variable = "12"
Output for 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
Caught Exception for "12" No Exception for $variable = "12"
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