Is it possible to use PHP to create, edit and delete crontab jobs?
I know how to list the current crontab jobs of the Apache user:
$output = shell_ex
You can put your file to /etc/cron.d/ in cron format. Add some unique prefix to the filenaname To list script-specific cron jobs simply work with a list of files with a unique prefix. Delete the file when you want to disable the job.