Explain NULL?
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Explain what are the different errors in php?
Is apache needed for php?
Which of the following represents the proper way to set a session variable? Answer: a. $_SESSION['foo'] = 'bar'; b. session_start(); c. session_set_save_handler ('myopen', 'myclose', 'myread', 'mywrite', 'mydelete', 'mygarbage'); d. $foo = $_SESSION['foo']; 2.When administering MySQL, you should make the data directory accessible via the operating system 3.which statement can be used to determine how the optimizer resolves a query
How can we find the number of rows in a result set using PHP?
Can we override static method?
Can anyone explain about join?
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
What's the difference between accessing a class method via -> and via ::?
What are constructor and destructor in PHP?
What is the purpose of the '.frm' file extension? What do thes file contain?
Explain the different types of errors in php.
1.What are the difference between echo , print , print_r ? else this 3 can we show output to a client in some other way?