PHP References Explained
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C/C++ programmers have used references for years, but did you know that you can also use references in PHP? In this article Jan explains what references are and exactly how to use them with PHP...One of the most underused features of PHP is the ability to use references. The problem is that using references are rather troublesome in PHP. References were not part of the original syntax, but were added later on, thus leading to a somewhat confusing syntax. There's also little support for references in the native function set.
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