What is the difference between null and empty?
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What are getters and setters and why are they important?
What does namespace mean in php?
Can you extend a final defined class?
What is the difference between explode () and split () functions in php?
Is server side a session?
Is java is better than php?
How to pass variables by references?
What are the 3 scope levels available in php and how would you define them?
can we swap two different string using php for example:-- before swapping:-- 1 string :-hello friend, 2 string :-my dear, after swapping that strings will be: 1.hello dear, 2.my friend.
How would you declare a function that receives one parameter name hello?
What is a PHP Filter?
What is urlencode and urldecode in php?