PHP Error Cannot modify header information,modifyheader_php tutorial

PHP Error Cannot modify header Information,modifyheader

In the use of CI development of the public number when the following question, the Internet to see a round of solution is: the error file with EditPlus Save as Utf-8.

Severity:warning

Message:cannot Modify header Information-headers already sent by (output started at filename:libraries/session.php

Line number:688

because each page is reported above the error, so I estimate is the CI root index.php has a problem, using the above method will index.php Save As Utf-8, problem solved.

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