{"id":19023240,"date":"2026-09-18T10:00:28","date_gmt":"2026-09-18T10:00:28","guid":{"rendered":"https:\/\/wordpress.org\/support\/topic\/preg_match-passing-null-to-parameter-2\/"},"modified":"2026-09-18T10:43:37","modified_gmt":"2026-09-18T10:43:37","slug":"preg_match-passing-null-to-parameter-2","status":"publish","type":"topic","link":"https:\/\/wordpress.org\/support\/topic\/preg_match-passing-null-to-parameter-2\/","title":{"rendered":"preg_match(): Passing null to parameter #2"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Hi, I can&#8217;t login in my wordpress site.<br \/>When opening the page wp-admin i get many of the following message:<br \/><em><strong>Deprecated<\/strong>: preg_match(): Passing null to parameter #2 ($subject) of type string is deprecated in\u00a0<strong>\/web\/htdocs\/www.loasidelleapi.it\/home\/wp-content\/plugins\/wc-product-table-lite\/vendor\/Mobile_Detect.php<\/strong>\u00a0on line\u00a0<strong>1253<\/strong><\/em><br \/><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The server is running the PHP version 8.1.33.<br \/>Please, can you hel me to fiw it?<br \/>Thank you very much.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n","protected":false},"template":"","class_list":["post-19023240","topic","type-topic","status-publish","hentry"],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/wordpress.org\/support\/wp-json\/wp\/v2\/topic\/19023240","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/wordpress.org\/support\/wp-json\/wp\/v2\/topic"}],"about":[{"href":"https:\/\/wordpress.org\/support\/wp-json\/wp\/v2\/types\/topic"}],"version-history":[{"count":3,"href":"https:\/\/wordpress.org\/support\/wp-json\/wp\/v2\/topic\/19023240\/revisions"}],"predecessor-version":[{"id":19023301,"href":"https:\/\/wordpress.org\/support\/wp-json\/wp\/v2\/topic\/19023240\/revisions\/19023301"}],"wp:attachment":[{"href":"https:\/\/wordpress.org\/support\/wp-json\/wp\/v2\/media?parent=19023240"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}