What i try to do >
1.User visit my PHP base Page
2.My page collect its data
3.Add cron job using PHP (Q1.How to add Cron job using PHP? ) (this type of cron job command currently i am using ""/usr/bin/wget myweb.org/some_directory/file.php?uid=2738 >/dev/null""
4.Cron job runs a above URL and do a task with user id which takes almost 1 hour + time (Q2. Is it possible to run job at the same time or after one minute if possible how)
5.If another user visit the page on the same time above procedure is also happen for them too (Q3.So this is possible)