PHP Interview Questions
Questions Answers Views Company eMail

How could I install codeignitor ?

1730

what is mean by portal

1452

How to make horizonatl menu and vertical menu responsive

1861

How to genrate report in wordpress cms

1800

my english is not too good then what we apply for a php programer post

2012

What is Different between Joomla And Magento?

2269

what is different between PHP and Asp.net?

1 3113

what is benefit of magento?

2024

4 down vote favorite share [g+] share [fb] share [tw] I am developing my site using server side sessions using redis as backend for saving the session. Now the issue which is bothering me is of user leaving the website without logging out. I mean user simply closes the browser which causes the cookie to be deleted. Now session of that user still exists on the server and will not be used again as new login requires creating a new session due to security reasons. To avoid the case where hacker steals the old cookie and use it after user login again with same old session id. In essence user leaves the website without explicitly logging out and his session will be deleted after certain time limit of inaccessibility. I am thinking time limit of 30-60 minutes. Also with every new request from user his cookie will also be updated to keep track of when the user last time accessed the site. But nowadays, people let site remain open for long time without accessing it. For example users open facebook and gmail in new tabs and forget about them for 2-3 hours and still they are not asked to login again. Is letting a 2-3 hours old cooke access the session secure? My concern is someone steals user cookie and use it 2-3 hours later. Thinking on this topic has also forced me to question how facebook manages security if user can use a session where they are not accessing it for long periods of time and still they remain logged in. Or is it not secure for me to keep logged in when am not accessing the site session for longer period of time? It can be the case also there is some pinging mechanism using which sites keep track of user having their site open in a browser and when browser closes they are notified and can work accordingly. My website is a social network and needs all those security and usage features which a social network may need. I am new to web security and web development in general and may be the case where my above questions may seem a little basic. If you feel that is the case kindly point to some good reference where I can read and find answers to my question.

NIIT,

1735

Hi, My Name is Ajay Jha. What My Question is I am Percuing in Bca. It's My 5th Semester. I Want To Make My Carrear as a web designer that's Why i wants to do Php, Is it right Desision for Me ?

1 2989

hi i am complted my b.tech and i want to learn php is php is good for my career and i want to know the salary growth on php any one can tell the answer plz and i am learning php myself it is easy to understand..........

3 4046

how to hidden querystring url please send sample program

2 3717

can we swap two different string using php for example:-- before swapping:-- 1 string :-hello friend, 2 string :-my dear, after swapping that strings will be: 1.hello dear, 2.my friend.

3060

What are the basic steps to store PHP session in to Database?

Rediff,

1 3759

How many ways there are to fetch the data from the Database?

Tops Technologies,

2 7845


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Un-Answered Questions { PHP }

What is difference between print_r and echo in php?

489


What is difference between explode() or split() in PHP?

490


What are magic constants in php?

556


How arrays are used in php?

542


What is the use of inner join in mysql?

525






Do I need apache for php?

611


What are the different ways to login to a remote server?

473


How does session work in php?

527


What is the $_ server php_self variable?

481


When should you use a stored procedure?

498


What are majic methords in php?

566


Tell me what does the initials of php stand for?

545


What is stdclass in php?

540


How can we check the value of a given variable is alphanumeric?

532


What is the current php version?

546