iphone test cookie<\/title>\r\n<meta name=\"viewport\" content=\"width=device-width; initial-scale=1.0; maximum-scale=1.0; user-scalable=0;\">\r\n<body>\r\n<?PHP\r\nsetcookie(\"TestCookie\",time() +\"3600\");\r\necho $_COOKIE[\"TestCookie\"];\r\n?>\r\n<\/body>\r\n<\/meta><\/amphp>\r\n\r\n\r\n<\/code>\r\n<\/pre>\nIt displays Warning message: \nWarning: Cannot modify header information – headers already sent by (output started at C:\\xampp\\htdocs\\iphone\\testcookie.php:4) in C:\\xampp\\htdocs\\testcookie.php on line 5<\/p>\n——————————————- \nSolution 1: if we change the code like below, it could working, \nthe problem is setcookie() function, \n$_COOKIE[“TestCookie”]; reading function is working well,<\/p>\n<pre>\r\n<code>\r\n\r\n<?php\r\nsetcookie(\"TestCookie\",time() +\"3600\");\r\necho $_COOKIE[\"TestCookie\"];\r\n?>\r\n<html>\r\n<body>\r\n<\/body>\r\n<\/html>\r\n\r\n\r\n\r\n<\/code>\r\n<\/pre>\n——————————————- \nSolution 2: Use ob_start() function<\/p>\n<pre>\r\n<code>\r\n\r\n<?php\r\nob_start();\r\nsetcookie(\"TestCookie\",time() +\"3600\");\r\nob_end_clean();\r\necho $_COOKIE[\"TestCookie\"];\r\n?>\r\n<html>\r\n<body>\r\n<\/body>\r\n<\/html>\r\n\r\n\r\n\r\n<\/code>\r\n<\/pre>\n","protected":false},"excerpt":{"rendered":"Do you surprise? we cannot use PHP setcookie() function […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-1","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/www.powenko.com\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/1"}],"collection":[{"href":"https:\/\/www.powenko.com\/wordpress\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.powenko.com\/wordpress\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.powenko.com\/wordpress\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.powenko.com\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1"}],"version-history":[{"count":0,"href":"https:\/\/www.powenko.com\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/1\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.powenko.com\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.powenko.com\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.powenko.com\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}

{"id":1,"date":"2008-07-09T13:26:59","date_gmt":"2008-07-09T17:26:59","guid":{"rendered":"httpss:\/\/www.powenko.com\/blog\/?p=1"},"modified":"2008-07-09T13:44:57","modified_gmt":"2008-07-09T17:44:57","slug":"hello-world","status":"publish","type":"post","link":"https:\/\/www.powenko.com\/wordpress\/?p=1","title":{"rendered":"PHP, setcookie , Cookie? PHP setcookie function limitation."},"content":{"rendered":"

Do you surprise? we cannot use PHP setcookie() function in any place we like of whole code,
\nfor example1:<\/p>\n

\r\n\r\n\r\n\r\niphone test cookie<\/title>\r\n<meta name=\"viewport\" content=\"width=device-width; initial-scale=1.0; maximum-scale=1.0; user-scalable=0;\">\r\n<body>\r\n<?PHP\r\nsetcookie(\"TestCookie\",time() +\"3600\");\r\necho $_COOKIE[\"TestCookie\"];\r\n?>\r\n<\/body>\r\n<\/meta><\/amphp>\r\n\r\n\r\n<\/code>\r\n<\/pre>\n<p>It displays Warning message:<br \/>\nWarning: Cannot modify header information – headers already sent by (output started at C:\\xampp\\htdocs\\iphone\\testcookie.php:4) in C:\\xampp\\htdocs\\testcookie.php on line 5<\/p>\n<p>——————————————-<br \/>\nSolution 1: if we change the code like below, it could working,<br \/>\nthe problem is setcookie() function,<br \/>\n$_COOKIE[“TestCookie”]; reading function is working well,<\/p>\n<pre>\r\n<code>\r\n\r\n<?php\r\nsetcookie(\"TestCookie\",time() +\"3600\");\r\necho $_COOKIE[\"TestCookie\"];\r\n?>\r\n<html>\r\n<body>\r\n<\/body>\r\n<\/html>\r\n\r\n\r\n\r\n<\/code>\r\n<\/pre>\n<p>——————————————-<br \/>\nSolution 2: Use ob_start() function<\/p>\n<pre>\r\n<code>\r\n\r\n<?php\r\nob_start();\r\nsetcookie(\"TestCookie\",time() +\"3600\");\r\nob_end_clean();\r\necho $_COOKIE[\"TestCookie\"];\r\n?>\r\n<html>\r\n<body>\r\n<\/body>\r\n<\/html>\r\n\r\n\r\n\r\n<\/code>\r\n<\/pre>\n","protected":false},"excerpt":{"rendered":"<p>Do you surprise? we cannot use PHP setcookie() function […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-1","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/www.powenko.com\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/1"}],"collection":[{"href":"https:\/\/www.powenko.com\/wordpress\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.powenko.com\/wordpress\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.powenko.com\/wordpress\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.powenko.com\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1"}],"version-history":[{"count":0,"href":"https:\/\/www.powenko.com\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/1\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.powenko.com\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.powenko.com\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.powenko.com\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}