> Hello, > > Sorry to hijack, but I started thinking about something I read > for optimization of php. > > They stated, if you know your not going to make changes > to a variable, to send it to a function as reference, as to NOT > make a copy of it... > Going back to some very, very old threads on here, I though that copies were only made if the variable was changed. If the variable is not changed, I believe php is smart enough to reference, not copy, the variable.
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