Why do we use polymorphism in php?
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How do you achieve page caching in PHP?
What does $_cookie means?
Is variable name casesensitive in php?
What is htaccess? Why do we use this and where?
What is meant by urlencode and urldocode?
What does $_env mean?
what is the use of include_once in php?
Which php framework is best for security?
Is php front end?
1.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 ?
Is server side a session?
Do you know what's the difference between __sleep and __wakeup?