How do I find environment variables?
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List data types in PHP?
What is the different between cookies and session in php?
What are php strings?
What is php and sql?
What is php simple definition?
How can you tell if a number is even or odd without using any condition or loop?
How many types of errors in php?
Explain about PHP filter and why it should be used?
Explain the difference between $var and $$var?
How will you sened requests from server1 to server2 from server2 to server3 and so on .. w/o letting the output come to the browser or say the client end in php
Write syntax to open a file in php?
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 ?