{"id":19022672,"date":"2026-09-17T16:09:34","date_gmt":"2026-09-17T16:09:34","guid":{"rendered":"https:\/\/wordpress.org\/support\/topic\/php-error-710\/"},"modified":"2026-09-17T16:09:34","modified_gmt":"2026-09-17T16:09:34","slug":"php-error-710","status":"publish","type":"topic","link":"https:\/\/wordpress.org\/support\/topic\/php-error-710\/","title":{"rendered":"PHP error"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Hello, I&#8217;m not a developer, but I need some technical support. I don&#8217;t see anything broken on my site, but the speed has significantly decreased. My Sydney theme (free version 2.71) is showing a fatal error on WordPress.com. Never had an issue in years. Please advise.  Thanks. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">File:    \/srv\/htdocs\/wp-content\/themes\/sydney\/index.php<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Line: 14<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Message:  PHP Fatal error: Uncaught Error: Call to undefined function get_header() in \/srv\/htdocs\/wp-content\/themes\/sydney\/index.php:14 Stack trace: #0 {main} thrown in \/srv\/htdocs\/wp-content\/themes\/sydney\/index.php on line 14<\/p>\n","protected":false},"template":"","class_list":["post-19022672","topic","type-topic","status-publish","hentry","topic-tag-php-error"],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/wordpress.org\/support\/wp-json\/wp\/v2\/topic\/19022672","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":0,"href":"https:\/\/wordpress.org\/support\/wp-json\/wp\/v2\/topic\/19022672\/revisions"}],"wp:attachment":[{"href":"https:\/\/wordpress.org\/support\/wp-json\/wp\/v2\/media?parent=19022672"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}