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31
How many types of array are there in PHP?
32
What is the array in PHP?
33
Explain PHP parameterized functions.
34
What does isset() function?
35
What is the use of header() function in PHP?
36
What is the use of count() function in PHP?
37
How many data types are there in PHP?
38
What are magic constants in PHP?
39
What are the ways to define a constant in PHP?
40
What is the difference between $message and $$message?
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