Tips to optimize the php script..... Suggestion for exception handling in php...

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Name some of the functions in php.

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Tell me what is the difference between unset() and unlink()?

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Tell me how can we define a variable accessible in functions of a php script?

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How to create an array from php string?

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Can we extend multiple classes in php?

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What is the difference between htmlentities and htmlspecialchars in php?

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Is java is better than php?

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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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Single choice objective PHP question...

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Does php have future?

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Define soundex()?

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