session_start(): Cannot send session cache limiter - headers already sent , but I didn't have any output before my session

Asked Oct 27 '17 at 04:21

Active Oct 27 '17 at 05:37

Viewed 39 times

Sorry for my poor English, I have an error when using session, it was okay when I create others pages with session, but I cannot solve this, please help.

Warning: session_start(): Cannot send session cache limiter - headers already sent (output started at /storage/ssd3/402/3124402/public_html/web/samplecode/sessiontest.php:1) in /storage/ssd3/402/3124402/public_html/web/samplecode/sessiontest.php on line 1

I only have the following in my php file, I don't have any html output.

<?php 
session_start();
?>

Thank you very much!

edited Oct 27 '17 at 05:37

cramopy

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asked Oct 27 '17 at 04:21

Gary

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) – tkausl Oct 27 '17 at 04:22
look for a space before php – nithinTa Oct 27 '17 at 04:29
Thanks Tan, I have checked, there is no space before php – Gary Oct 27 '17 at 16:29

session_start(): Cannot send session cache limiter - headers already sent , but I didn't have any output before my session

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