Which version of PHP introduced class type hints?
A. PHP 4
B. PHP 4.3
C. PHP 5
D. PHP 5.3
Answer: Option C
This Question Belongs to PHP >> Object Oriented Concept
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Which one of the following is not a valid class name?
A. ShopProduct
B. Shopproduct
C. Shopproduct1
D. 1shopproduct
Fill in the blank with the best option. An Object is a/an ________ of a class.
A. type
B. prototype
C. instance
D. object
Which version of PHP introduced the visibility keywords i.e public, private, and protected?
A. PHP 4
B. PHP 5
C. PHP 5.1
D. PHP 5.3
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