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mixhost上でPHP Warning: Cannot modify header informationが発生した場合の対処

Last updated at Posted at 2020-10-08

【背景】レンタルサーバーmixhost上のphp環境で"twitteroauth"を使用しtwitter認証を実施

【問題】PHP Warning: Cannot modify header information - headers already sent by(output started at /home/xxxxxx/public_html/xxxxx/twitter-login/login.php:8) が発生
※2箇所で発生し、いずれもheader()指定

【対応】下記サイトを参考に対応実施
「Warning: Cannot modify header information…」エラーの解決方法[PHP]

●mixhostの"MultiPHP INI Editor"の"編集モード"で"output_buffering = 4096"を設定

phpini.png

以上で解決

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