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What is difference between session_unset and session_destroy?
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Questions on OOP concepts 1. What are the access specifiers available in php ? Explain 2. What is object cloning ? 3. What are the differences between interface and abstract class ? 4. What is overloading ? 5. What is overriding ? 6. How to prevent function overriding ? 7. What is the use of "final" keyword ? 8. What is static variable ? How will access a static variable ? What is static class ?
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write a program to generate bill screen 1.1st page should get the number of products to be billed. 2.2nd page should display the number of rows according to the number of products given in the first page. 3.Each row should have a text box for a.product name b.quantity c.unit price d.item price = quantity x unit price This should be automatically calculated not to be entered by the user. 4.After entering the products calculate sales-tax for the total amount which 8.25%. 5.After entering these values you have to generate the bill in the next page with a unique number for the bill. can anyone solve this problem..i am in need to solve this problem..pls help me
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