How to fix “Headers already sent” error in PHP
When running my script, I am getting several errors like this:
Warning: Cannot modify header information - headers already sent by (output started at /some/file.php:12) in /some/file.php on line 23
The lines mentioned in the error messages contain header() and setcookie() calls.
What could be the reason for this? And how to fix it?
PHP
- asked 8 years ago
- B Butts
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