PHP 8.1 Depreciated

[rtacorp]

Hi, Getting PHP 8.1.9 deprecated notices in the debug.log which you might wish to correct for the next version of WordPress. Here are the to files to be corrected:

• /wp-includes/Requests/Cookie/Jar.php
• /wp-includes/Requests/Utility/CaseInsensitiveDictionary.php

Thanks.

[16-Feb-2023 18:59:56 UTC] PHP Deprecated:  Return type of Requests_Cookie_Jar::offsetExists($key) should either be compatible with ArrayAccess::offsetExists(mixed $offset): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /.../wp-includes/Requests/Cookie/Jar.php on line 63
[16-Feb-2023 18:59:56 UTC] PHP Deprecated:  Return type of Requests_Cookie_Jar::offsetGet($key) should either be compatible with ArrayAccess::offsetGet(mixed $offset): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /.../wp-includes/Requests/Cookie/Jar.php on line 73
[16-Feb-2023 18:59:56 UTC] PHP Deprecated:  Return type of Requests_Cookie_Jar::offsetSet($key, $value) should either be compatible with ArrayAccess::offsetSet(mixed $offset, mixed $value): void, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /.../wp-includes/Requests/Cookie/Jar.php on line 89
[16-Feb-2023 18:59:56 UTC] PHP Deprecated:  Return type of Requests_Cookie_Jar::offsetUnset($key) should either be compatible with ArrayAccess::offsetUnset(mixed $offset): void, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /.../wp-includes/Requests/Cookie/Jar.php on line 102
[16-Feb-2023 18:59:56 UTC] PHP Deprecated:  Return type of Requests_Cookie_Jar::getIterator() should either be compatible with IteratorAggregate::getIterator(): Traversable, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /.../wp-includes/Requests/Cookie/Jar.php on line 111
[16-Feb-2023 18:59:57 UTC] PHP Deprecated:  Return type of Requests_Utility_CaseInsensitiveDictionary::offsetExists($key) should either be compatible with ArrayAccess::offsetExists(mixed $offset): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /.../wp-includes/Requests/Utility/CaseInsensitiveDictionary.php on line 40
[16-Feb-2023 18:59:57 UTC] PHP Deprecated:  Return type of Requests_Utility_CaseInsensitiveDictionary::offsetGet($key) should either be compatible with ArrayAccess::offsetGet(mixed $offset): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /.../wp-includes/Requests/Utility/CaseInsensitiveDictionary.php on line 51
[16-Feb-2023 18:59:57 UTC] PHP Deprecated:  Return type of Requests_Utility_CaseInsensitiveDictionary::offsetSet($key, $value) should either be compatible with ArrayAccess::offsetSet(mixed $offset, mixed $value): void, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /.../wp-includes/Requests/Utility/CaseInsensitiveDictionary.php on line 68
[16-Feb-2023 18:59:57 UTC] PHP Deprecated:  Return type of Requests_Utility_CaseInsensitiveDictionary::offsetUnset($key) should either be compatible with ArrayAccess::offsetUnset(mixed $offset): void, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /.../wp-includes/Requests/Utility/CaseInsensitiveDictionary.php on line 82
[16-Feb-2023 18:59:57 UTC] PHP Deprecated:  Return type of Requests_Utility_CaseInsensitiveDictionary::getIterator() should either be compatible with IteratorAggregate::getIterator(): Traversable, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /.../wp-includes/Requests/Utility/CaseInsensitiveDictionary.php on line 91

[hellofromTonya]

Hello @rtacorp,

Welcome to Core Trac. Thank you for reporting.

These deprecations are due to the Requests 1.x version which was not compatible with PHP 8+. Requests 2.0 was committed in #54504 / [54997], which resolves these deprecation notices. This will ship with WordPress 6.2.