Tell me how can we determine whether a php variable is an instantiated object of a certain class?
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What would occur if a fatal error was thrown in your php program?
does current version of mysql (myisam) supports foreign keys ?
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 are the differences between session and cookie?
Which Scripting Engine PHP uses?
Which is better wamp or xampp?
1. Write a function to swap two values ? $a = 10; $b = 20; echo $a, $b; swap(); // If u want u can pass parameters echo $a, $b; // It should print 20 , 10
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When to use get and post request?
Tell me how to find the position of the first occurrence of a substring in a string?
What are getters and setters and why are they important?
What is full form of php? Who is the father or inventor of php?
Does php support multiple inheritances?