Test if a cron is executed only by the server

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In php, how to detect the execution is from CLI mode or through browser?

How to test if a cron is executed only by the server

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by accessing the file with the url : www.example.com/crons.php — user1475195, Aug 24 '12 at 02:24
Is cron supposed to execute it directly from the shell, or by requesting it via http, like via `wget`? — Michael Berkowski, Aug 24 '12 at 02:25
i set up the cron with crontab -e, but the file can be accessed via the website — user1475195, Aug 24 '12 at 02:29
Why not set up that (presumably private) script on a different virtual host that's not listening on any external interface? — Greg Hewgill, Aug 24 '12 at 02:33
i tried $sapi_type = php_sapi_name(); if (substr($sapi_type, 0, 3) != 'cgi') { die(0); } — user1475195, Aug 24 '12 at 02:35

score 1 · Answer 1 · answered Aug 24 '12 at 02:26

Cron will never put anything on the display unless you use something like 'wall' in your cron script.

Are you redirecting your output to a log file or anything?

What you can do is to add a line at the bottom of the script you are executing in the cron; that does something like:

date +"%D %r `echo Cron completed`" >> /tmp/cron_job.log

Then you could check

cat /tmp/cron_job.log

and it would tell you when it finished.

1 Answers1