PHP 8.4 deprecation warnings

[HLeithner]

Issue to collect PHP 8.4 deprecation messages and fixes

• Debugbar - needs PR merged and updated Fix PHP 8.4 deprecations php-debugbar/php-debugbar#693
• xml_set_object deprecated - PR: [5.3] Replace xml_set_object with proper callable parameters #44490
• voku/protable-utf8 - temporary PR [5.3] Switch voku/portable-utf8 to joomla-backport for php8.4 bc #44489 until Update nullable types for PHP 8.4 voku/portable-utf8#208 is merged
• TYPO3\PharStreamWrapper - needs PR merged and updated [TASK] Raise compatibility to PHP 7.1-8.4 TYPO3/phar-stream-wrapper#78
• algo26-matthias/idna-convert - PR or Backport needed (4.0 has b/c break) - https://github.com/algo26-matthias/idna-convert/
• laminas/laminas-diactoros - 2.x is not marked as compatible and creates composer update issues, could be solved by do composer update only on 8.3, Issue opened at Support of php 8.4 for 2.x series laminas/laminas-diactoros#206

Transitive dependencies:

• GuzzleHttp\Promise

[t0mtaylor]

The currently installed Joomla! version is "‎5.2.2", with Php 8.4

"PHP message: PHP Deprecated: Function lcg_value() is deprecated since 8.4, use \Random\Randomizer::getFloat() instead in /joomla/plugins/system/sessiongc/src/Extension/SessionGC.php on line 66"

PHP message: PHP Deprecated: Tuf\Client\Repository::getSnapshot(): Implicitly marking parameter $maxBytes as nullable is deprecated, the explicit nullable type must be used instead in /joomla/libraries/vendor/php-tuf/php-tuf/src/Client/Repository.php

PHP message: PHP Deprecated: GuzzleHttp\Promise\FulfilledPromise::then(): Implicitly marking parameter $onRejected as nullable is deprecated, the explicit nullable type must be used instead in /joomla/libraries/vendor/guzzlehttp/promises/src/FulfilledPromise.php on line 26

PHP message: PHP Deprecated: GuzzleHttp\Promise\PromiseInterface::then(): Implicitly marking parameter $onFulfilled as nullable is deprecated, the explicit nullable type must be used instead in /joomla/libraries/vendor/guzzlehttp/promises/src/PromiseInterface.php on line 29

PHP message: PHP Deprecated: Function xml_set_object() is deprecated since 8.4, provide a proper method callable to xml_set_*_handler() functions in /joomla/libraries/src/Updater/Update.php on line 660; PHP message: PHP Deprecated: xml_set_element_handler(): Passing non-callable strings is deprecated since 8.4 in /joomla/libraries/src/Updater/Update.php on line 661; PHP message: PHP Deprecated: xml_set_character_data_handler(): Passing non-callable strings is deprecated since 8.4 in /joomla/libraries/src/Updater/Update.php on line 662

PHP Deprecated: xml_set_element_handler(): Passing non-callable strings is deprecated since 8.4 in /joomla/libraries/src/Updater/Adapter/ExtensionAdapter.php on line 284; PHP message: PHP Deprecated: xml_set_character_data_handler(): Passing non-callable strings is deprecated since 8.4 in /joomla/libraries/src/Updater/Adapter/ExtensionAdapter.php on line 285; PHP message: PHP Deprecated: Function xml_set_object() is deprecated since 8.4, provide a proper method callable to xml_set_*_handler() functions in /joomla/libraries/src/Updater/Adapter/ExtensionAdapter.php on line 283;