Why are PHP errors not appearing in log file?

Question

The only errors appearing in ~/logs/frontend/error_<application>_php.log are occasional "File does not exist: robots.txt" entries. No PHP errors of any severity are showing. They display on my web pages and I have php.ini entries:

display_errors=1

log_errors=On

Adding an explicit error_log directive to php.ini pointing to the log file doesn't help. Neither does enabling log_errors in my PHP code.

After looking at docs and relevant questions, I don't know what I'm doing wrong.

Answer 1

The name error_<application>_php.log is a bit misleading, I'm afraid. It's not used to log PHP errors - it's used to log errors from the back-end Apache server that serves your PHP sites.

If you want to log your PHP errors somewhere, then try specifying a path to a log file, like this:

display_errors=0
log_errors=1
error_log=/home/your_username/logs/user/yourapp_phperrors.log

Hope that helps!

Answer 2

0

Thank you. That works. This information should be in your PHP documentation.

Interestingly and counterintuitively, pointing error_log to the existing error_<application>_php.log file in exactly the same way does not cause PHP errors to be logged there.

Any idea why my log, /home/bvb/logs/bucksvsbytesphperrors.log, doesn't do a 7 day rotation the way Webfaction-created log files do? The entries in /etc/logrotate.users.conf would seem to apply, but it's not happening.

permanent link

answered 13 Jun '15, 12:40

bvbb
11●9●16
accept rate: 0%

It might have been a temporary issue with the log not rotating as user logs in /home/<username>/logs/user/ are rotated daily.

If it continues to happen I would suggest opening a support ticket.

(13 Jun '15, 13:07) aaront ♦♦

Why are PHP errors not appearing in log file?

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