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<?php class CaseInsensitiveArray extends ArrayObject { public function offsetExists($index) { return parent::offsetExists(strtolower($index)); } public function offsetGet($index) { return parent::offsetGet(strtolower($index)); } public function offsetSet($index, $newval) { parent::offsetSet(strtolower($index), $newval); } } $test = new CaseInsensitiveArray; $test['Location'] = 'test'; ini_set('error_reporting', E_ALL); var_dump($test['location']); var_dump($test['Location']); var_dump(isset($test['location'])); var_dump(isset($test['Location']));
Output for 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Deprecated: Return type of CaseInsensitiveArray::offsetExists($index) should either be compatible with ArrayObject::offsetExists(mixed $key): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/i0rbp on line 7 Deprecated: Return type of CaseInsensitiveArray::offsetGet($index) should either be compatible with ArrayObject::offsetGet(mixed $key): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/i0rbp on line 12 Deprecated: Return type of CaseInsensitiveArray::offsetSet($index, $newval) should either be compatible with ArrayObject::offsetSet(mixed $key, mixed $value): void, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/i0rbp on line 17 string(4) "test" string(4) "test" bool(true) bool(true)
Output for 5.0.4 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 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, 8.0.0 - 8.0.30
string(4) "test" string(4) "test" bool(true) bool(true)
Output for 5.0.0 - 5.0.3
Notice: Undefined index: location in /in/i0rbp on line 26 NULL string(4) "test" bool(false) bool(true)
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/i0rbp on line 7
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 T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/i0rbp on line 7
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `T_OLD_FUNCTION' or `T_FUNCTION' or `T_VAR' or `'}'' in /in/i0rbp on line 7
Process exited with code 255.
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