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php-manual-ro-20051028-1.noarch.rpm

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>&#13;    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:
    <DIV
CLASS="informalexample"
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><code><font color="#000000">
<font color="#0000BB">&lt;?php<br />$a </font><font color="#007700">= </font><font color="#0000BB">1</font><font color="#007700">;<br /></font><font color="#0000BB">$b </font><font color="#007700">=&amp; </font><font color="#0000BB">$a</font><font color="#007700">;<br />unset (</font><font color="#0000BB">$a</font><font color="#007700">); <br /></font><font color="#0000BB">?&gt;</font>
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>
    won't unset <VAR
CLASS="varname"
>$b</VAR
>, just <VAR
CLASS="varname"
>$a</VAR
>. 
   </P
><P
>&#13;    Again, it might be useful to think about this as analogous to Unix
    <B
CLASS="command"
>unlink</B
> call.
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