Find the below major changes in PHP4 & PHP5
- PHP 5, the object model was rewritten to allow for better performance and more features
- We can define abstract class
- public,private and protected methods interdused
- we can pass values by reffrence
- In PHP5 new array functions are interduced
- PHP 5 are the inclusions of Visibility, Abstract, Final Classes and method magic methods, interfaces, cloning,typehinting etc
New error level named E_STRICT has been introduced.
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