Posted by "Ford, Mike" on 10/21/46 11:22

On 22 July 2005 19:47, Surendra Singhi wrote:

> I don't think it will make the code confusing, but the person looking
> at the code should understand how reference and global variables
> work. Using reference variables avoids unnecessary extra copying of
> objects, and while
> using large arrays it can make a big difference in speed.

You shouldn't need to worry about this -- PHP tries to take care of it for
you. When you copy an array value, PHP only does a "shallow" copy (of the
array's address); if you later modify the array, this triggers a full "deep"
copy of all the array's element values before the modification is done.

Cheers!

Mike

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