A few questions about PHP4, if you have contact with PHP4 veteran please help to answer, appreciate _php tutorial

Source: Internet
Author: User
A few questions about PHP4, if you have contact with PHP4 veteran please help to answer, I appreciate

First:

Does PhP4 support static methods and properties?

Second:
Does PhP4 have no destructor? If not, how do you solve some of the places where destructors must be used? For example, close the database.

Third:
What do I need to note if I write a program that is compatible with PHP4 and php5?

Thank you for your help! I do not have time to install PHP4 own test!

I'll answer that.




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Read the manual.

There is a function that triggers the function at the end of the script execution.

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If the database is closed, you just need not pcconnect, it shut down itself, not to write a function


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