What is "echo" in php?
What is session expiry?
How can we optimize or increase the speed of a mysql select query?
Write a program to find no of days between two dates in php?
What is mysql_fetch_array?
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
1.What are the difference between echo , print , print_r ? else this 3 can we show output to a client in some other way?
What is printf in php?
What type of errors can be occurred in php?
What is namespace in php?
What is the difference between echo and print statement?
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Define about declare construct?
Tell me what is htaccess?