{"id":1443,"date":"2012-04-07T00:01:43","date_gmt":"2012-04-07T07:01:43","guid":{"rendered":"http:\/\/www.dognmonkey.com\/techs\/?p=1443"},"modified":"2012-04-07T00:01:43","modified_gmt":"2012-04-07T07:01:43","slug":"warning-cannot-modify-header-information-headers-wordpress","status":"publish","type":"post","link":"https:\/\/www.dognmonkey.com\/techs\/warning-cannot-modify-header-information-headers-wordpress.html","title":{"rendered":"Warning: Cannot modify header information &#8211; headers&#8230; WordPress"},"content":{"rendered":"<p style=\"text-align: center;\"><em>I never noticed any problems with my WordPress blogs until I created one with Member Access plugin activated and used it to redirect reader to a log-in page. Actually at any pages loaded, the warning would show up on the side bar <\/em><\/p>\n<p style=\"text-align: center;\"><a class=\"preview\" rel=\"shadowbox[warn]\" title=\"Warning on the side bar when page is accessed\" href=\"\/media\/wpplugins\/members\/warning_header.jpg\"><img loading=\"lazy\" decoding=\"async\" style=\"vertical-align: baseline; border: 3px solid black;\" title=\"Warning headers\" src=\"\/media\/wpplugins\/members\/warning_header.jpg\" alt=\"warning headers\" width=\"269\" height=\"145\" \/><\/a><\/p>\n<blockquote>\n<p style=\"text-align: center;\"><em><\/em>Warning: Cannot modify header information &#8211; headers already sent by (output started at \/home\/xxxx\/public_html\/ihp307x\/wp-conten\/theme\/idogwp\/header.php:2) in \/home\/xxxx\/public_html\/wp\/wp-includes\/pluggable.php on line 866<\/p>\n<\/blockquote>\n<p style=\"text-align: center;\"><em>I used the same theme structure for all my blogs and none of them got problems until this one. The problem is created by Member Access plugin &#8211; when I deactivated and deleted &#8211; the problem is gone- Now I use WordPress Access Control and it works fine. It took me almost a day to find this problem. Every time we got a problem of something, deactivate all latest plugins to see which one caused the problems.<\/em><\/p>\n<p style=\"text-align: center;\"><a class=\"preview\" rel=\"shadowbox[warn]\" title=\"Deactivate and delete Member Access plugin\" href=\"\/media\/wpplugins\/members\/member_access.jpg\"><img loading=\"lazy\" decoding=\"async\" style=\"vertical-align: baseline; border: 3px solid black;\" title=\"Deactivate Member Access and Delete\" src=\"\/media\/wpplugins\/members\/member_access.jpg\" alt=\"Deactivate\" width=\"500\" height=\"36\" \/><\/a><\/p>\n<p style=\"text-align: center;\"><ul class=\"lcp_catlist\" id=\"lcp_instance_0\"><\/ul><\/p>\n","protected":false},"excerpt":{"rendered":"<p>I never noticed any problems with my WordPress blogs until I created one with Member Access plugin activated and used it to redirect reader to a log-in page. Actually at any pages loaded, the warning would show up on the side bar Warning: Cannot modify header information &#8211; headers already sent by (output started at <a href=\"https:\/\/www.dognmonkey.com\/techs\/warning-cannot-modify-header-information-headers-wordpress.html\" class=\"more-link\">&#8230;<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[25],"tags":[],"class_list":["post-1443","post","type-post","status-publish","format-standard","hentry","category-plugins"],"views":1561,"_links":{"self":[{"href":"https:\/\/www.dognmonkey.com\/techs\/wp-json\/wp\/v2\/posts\/1443","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.dognmonkey.com\/techs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.dognmonkey.com\/techs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.dognmonkey.com\/techs\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.dognmonkey.com\/techs\/wp-json\/wp\/v2\/comments?post=1443"}],"version-history":[{"count":0,"href":"https:\/\/www.dognmonkey.com\/techs\/wp-json\/wp\/v2\/posts\/1443\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.dognmonkey.com\/techs\/wp-json\/wp\/v2\/media?parent=1443"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.dognmonkey.com\/techs\/wp-json\/wp\/v2\/categories?post=1443"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.dognmonkey.com\/techs\/wp-json\/wp\/v2\/tags?post=1443"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}