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I’m a newbie for PHP5 and In my php page I’m getting this error when try to redirect to another page
Warning: Cannot modify header information - headers already sent by (output started at <path to my php file>:<line number>) in <path to my php file> on line <line number>
in my php file I have several includes and each one doesnt have any space before of after tag
This is because you must first set your headers and then add any output.
If you did not echo/print anything make sure you did not have warnings or notices (the count as output too if you have error reporting on).
As a good practice, if you can, put the header calls at the top of your script.
You could also take a look into output buffering if you need to generate output before headers.