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Chapter 14. References Explained |
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When you unset the reference, you just break the binding between variable name and
variable content. This does not mean that variable content will be destroyed. For example:
$a = 1;
$b =∓ $a;
unset ($a);
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won't unset $b, just $a.
Again, it might be useful to think about this as analogous to Unix unlink call.
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