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Wednesday, 1 April 2015

Difference between cookies and sessions in php

Published on: Wednesday, April 01, 2015 by Unknown - 15 comments
Cookies are stored in browser as a text file format.It is stored limit amount of data.It is only allowing 4kb[4096bytes].It is not holding the multiple variable in cookies. we can accessing the cookies values in easily.So it is less secure.The setcookie() function must appear BEFORE the <html> tag. Sessions are stored in server side.It is stored unlimit amount of data.It is holding the multiple variable in sessions. we cannot accessing the...

Wednesday, 25 February 2015

How to expire PHP session after a period of time

Published on: Wednesday, February 25, 2015 by Unknown - 32 comments
Expire the session after some peiod of time by using in php. Basically, two methods are available to destory the sessions.    1. session_destroy()    2. unset($_SESSION['testvaraible'])    3. setting the time out for this session  1.session_destroy()      if we will call the session_destroy(), it will destroy all the SESSION variable.It is no need any other parameters. <?php session_destroy(); ?> 2....

Saturday, 10 January 2015

How to describe the single field in table by using mysql?

Published on: Saturday, January 10, 2015 by Unknown - 1 comment
mysql> desc codingslover; +----------+-------------+------+-----+---------+-------+ | Field | Type | Null | Key | Default | Extra | +----------+-------------+------+-----+---------+-------+ | ProjId | varchar(20) | NO | PRI | NULL | | | BranchId | int(11) | YES | | NULL | | | AddedOn | datetime | YES | | NULL | | | Status | int(11) | YES | | NULL | | +----------+-------------+------+-----+---------+-------+ 4...

How to resolved when Logged out sessions get restored by back button?

Published on: Saturday, January 10, 2015 by Unknown - 3 comments
How to resolved when Logged out sessions get restored by back button? When we log out the sessions , We clear the cookies in browser. But when we press the back button after logging out the session gets restored.  Link : http://www.codingslover.com/2015/01/How-to-resolved-when-Logged-out-sessions-get-restored-by-back-button.html Solution: header("Cache-Control: no-cache, must-revalidate"); // HTTP/1.1 header("Expires: Sat, 26...
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