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03-01-2009, 09:11 PM
Join Date: Apr 2007
Some functions, like array_pop as you mentioned, pass some arguments by reference. Examples include array_pop and array_walk whose first arguments (the array to work on) are passed by reference.
, that's up to personal preference. Me, I like to think of it as "assign by reference" not "assign a reference" so would go with
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