How can we do user authentication without using session/cookies ? For ex:- From page1 accepts user name and password and need to check in all other pages whether the user has logged in or not
TCS,
6 96361.Where are the sessions storing ? 2.What are the contents of a session file ? 3.If the server is loaded with too many session files there is a possibility of server crash. How can we solve this issue? 4. How does php server identify that the particular session belongs to particular user ? For ex: If two users A and B logged from different machine, separate session files (say 1 and 2) will be created in the server. But how the php knows that 1 belongs to A and 2 belongs to B ?
4 80351.Where are the cookies storing ? 2.What is the drawback of using cookies ? 3. If two site is having same cookie name and different values what will be the output if we echo the cookie name from those sites ? How can we solve this issue (How can we specify the domain name)?
TCS,
8 142261. Write a function to swap two values ? $a = 10; $b = 20; echo $a, $b; swap(); // If u want u can pass parameters echo $a, $b; // It should print 20 , 10
14 35082This question is regarding version control. If two developers are committing the same php file at same time what will happen ? What error it will show (if any) ?
TCS,
2 5878What is the difference between include and include_once ? Which is one is good in terms of performance ?
Dest,
2 5044What is the difference between mysql_connect and mysql_pconnect ? Which one is good in terms of performance ?
4 11129How to check whether cookies are disbled or not in the browser ? If that is the case how do you handle the sessions ?
1 3554
How to reset/destroy a cookie?
I need to know about the courses which are useful in corporate companies.. especially php/mySQL, Java/j2ee, .NET.. also tell if any other courses are valuable
How to set session.gc_divisor properly?
How can you increase the maximum execution time of a script in php?
How to create an empty array in php?
Which is faster for or foreach?
What are the steps for the payment gateway processing?
Is php secure?
Does facebook use php framework?
Can we extend final class in php?
Why do we use sessions in php?
Does php need a closing tag?
What software is required for php?
Can you define an array argument as a reference type?
What is default session time and path in PHP. How to change it?