How to expire PHP session after a period of time

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....

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

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...

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

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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why javascript contains property is not working in chrome browser?

Contains() Property in javascript.,it is working fine in Mozila Firebox only.It will not support Chrome Browser,Internet Browser,Safari,Opera browser. Mozila Browser : var ClearFilterValue = 'family Schools'; if(ClearFilterValue.contains("family")== true) { alert('Success'); } Chorme & Mozila Firebox Browser :     The below javascript index() properity will working for both chrome and mozile...

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