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I still have this error in myWebsite/wp-admin/ in spite of there is nothing wrong with the code "I guess"! The Error is :

Warning: Cannot modify header information - headers already sent by (output started at .../wp-content/themes/mh-magazine/functions.php:54) in /pages/..../wp-includes/pluggable.php on line 1216

But what I have in this line is this code : 

 ini_set( ‘upload_max_size’ , ’25MB’ );
 ini_set( ‘post_max_size’, ’27MB’);
 ini_set( ‘memory_limit’, ’30MB’ );

In addition to not displaying anything but the header of the website although all data is existent in my dashboard (When I was able to see content of my dashboard.)

Aftab H.
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Ali
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    Possible duplicate of [How to fix "Headers already sent" error in PHP](https://stackoverflow.com/questions/8028957/how-to-fix-headers-already-sent-error-in-php) – Syed Waqas Bukhary Jan 19 '18 at 10:59

1 Answers1

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Output has already been sent, i.e. the HTML body, so you can't send HTTP headers anymore.

Usually this means you have display_errors on or something and it outputted a notice or a warning.

Turn it off! And check your error_log to see what the problem was.

Otherwise, check for unexpected white space before opening <?php tags, or echoes and var dumps.

delboy1978uk
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  • from which file can i check my error_log ? and i have already checked the white spaces before and after the tags because i got the same problem with wp-config.php as well but was solved through deleting some white spaces! And here the line number doesn't direct me to the tags! – Ali Jan 19 '18 at 11:02
  • Problem is solved but still doesn't display all the content correctly although all the data is approachable through the dashboard and already published. – Ali Jan 19 '18 at 11:08
  • if you check `php_info()` you should see where your error_log is stored on the server – delboy1978uk Jan 19 '18 at 15:32