I have installed PHP7 and although Dokuwiki seems to work fine, the logs are filling up with warnings. Plugins like change, tag, columns, googlefonts, metaheaders, etc. give a warning while being registered. Have this to be fixed in every plugin?
AH01071: Got error 'PHP message: PHP Warning: Declaration of action_plugin_changes::register($controller) should be compatible with DokuWiki_Action_Plugin::register(Doku_Event_Handler $controller) in /var/www/vhosts/eilko.nl/httpdocs/lib/plugins/changes/action.php on line 0\nPHP message: PHP Warning: Declaration of action_plugin_columns::register(&$controller) should be compatible with DokuWiki_Action_Plugin::register(Doku_Event_Handler $controller) in /var/www/vhosts/eilko.nl/httpdocs/lib/plugins/columns/action.php on line 0\nPHP message: PHP Warning: Declaration of action_plugin_description::register(&$controller) should be compatible with DokuWiki_Action_Plugin::register(Doku_Event_Handler $controller) in /var/www/vhosts/eilko.nl/httpdocs/lib/plugins/description/action.php on line 0\nPHP message: PHP Warning: Declaration of action_plugin_googlefonts::register(&$controller) should be compatible with DokuWiki_Action_Plugin::register(Doku_Event_Handler $controller) in /var/www/vhosts/eilko.nl/httpdocs/lib/plugins/googlefonts/action.php on line 0\nPHP message: PHP Warning: Declaration of action_plugin_metaheaders::register(&$controller) should be compatible with DokuWiki_Action_Plugin::register(Doku_Event_Handler $controller) in /var/www/vhosts/eilko.nl/httpdocs/lib/plugins/metaheaders/action.php on line 0\nPHP message: PHP Warning: Declaration of action_plugin_recaptcha2::register(&$controller) should be compatible with DokuWiki_Action_Plugin::register(Doku_Event_Handler $controller) in /var/www/vhosts/eilko.nl/httpdocs/lib/plugins/recaptcha2/action.php on line 0\nPHP message: PHP Warning: Declaration of action_plugin_tag::register(&$contr) should be compatible with DokuWiki_Action_Plugin::register(Doku_Event_Handler $controller) in /var/www/vhosts/eilko.nl/httpdocs/lib/plugins/tag/action.php on line 0\n', referer: https://www.eilko.nl/start