What is csrf verification?
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Why php is better?
What is lamp in php?
Difference among echo, print and printf.
what use of <?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 ?
What is isset in php?
How can we determine whether a php variable is an instantiated object of a certain class?
What is putenv?
What is the basic function to search files for lines (or other units of text) that contain a pattern.
How can you send http header to the client in php?
Explain the difference between urlencode and urldecode?
Tell me in php, objects are they passed by value or by reference?