I have to maintain a count of the number of users that has been logged in. Is there any way in PHP to do it without using database or creating a file to store details ?
No framework used, just simple plain PHP.
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1@matiit session is user dependent. Cannot track site metrics – shatheesh Jun 04 '14 at 10:04
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@matiit wanted to say the same but sessions also use either file- or database-based storage mechanisms ... – SaschaM78 Jun 04 '14 at 10:04
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You can't. The only way to store something out of a database is through a session. And those are user-side. A user can not know which(and how many) other users are on your website without connecting to the server. Thus you need a database or something to store a value which the user can pull out. – CaptainCarl Jun 04 '14 at 10:04
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If you are free to use `redis`, try this [http://redis.io/commands/incr](http://redis.io/commands/incr) – shatheesh Jun 04 '14 at 10:05
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@shatheesh - okay. but not using redis – Tejas Jun 04 '14 at 10:07
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Your options are literally, a data store or a file. You could alternatively offload them to some remote server which does something or find some sort of "remember some data" third party API, but realistically it needs to be a data store or a file.
Files would be kinda slow at this and you would get race conditions, so you'd be right to avoid those.
A MySQL Database or the like is possibly also overkill if you are not currently using one.
Another option (as @shatheesh pointed out) is Redis.
I would suggest you do that. :)
Phil Sturgeon
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Python can read to and from the same data store just as easily yes, as can any other language with a Redis binding. – Phil Sturgeon Jun 04 '14 at 22:22
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You can achieve this using a session variable and storing count in same.
For further understanding you can visit this link :
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Chhavi Gangwal
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