Sophie: php-manual-ro-0:20051028-1 noarch

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

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>variant_add</H1
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NAME="AEN10796"
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><P
>    (PHP 5)</P
>variant_add&nbsp;--&nbsp;
     "Adds" two variant values together and returns the result
    </DIV
><DIV
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><A
NAME="AEN10799"
></A
><H2
>Description</H2
>mixed <B
CLASS="methodname"
>variant_add</B
> ( mixed left, mixed right)<BR
></BR
><P
>&#13;     Adds <VAR
CLASS="parameter"
>left</VAR
> to <VAR
CLASS="parameter"
>right</VAR
> using
     the following rules (taken from the MSDN library), which correspond to
     those of Visual Basic:

     <DIV
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><A
NAME="AEN10813"
></A
><P
><B
>Tabel 1. Variant Addition Rules</B
></P
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><TH
>If</TH
><TH
>Then</TH
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><TR
><TD
>Both expressions are of the string type</TD
><TD
>Concatenation</TD
></TR
><TR
><TD
>One expression is a string type and the other a
        character</TD
><TD
>Addition</TD
></TR
><TR
><TD
>One expression is numeric and the other is a string</TD
><TD
>Addition</TD
></TR
><TR
><TD
>Both expressions are numeric</TD
><TD
>Addition</TD
></TR
><TR
><TD
>Either expression is NULL</TD
><TD
>NULL is returned</TD
></TR
><TR
><TD
>Both expressions are empty</TD
><TD
>Integer subtype is returned</TD
></TR
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>
   </P
><P
>&#13;    See also <A
HREF="function.variant-sub.html"
><B
CLASS="function"
>variant_sub()</B
></A
>.
   </P
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><B
>Not&#227;: </B
>
 As with all the variant arithmetic functions, the parameters for this function
 can be either a PHP native type (integer, string, floating point, boolean or
 <TT
CLASS="constant"
><B
>NULL</B
></TT
>), or an instance of a COM, VARIANT or DOTNET class.  PHP native types
 will be converted to variants using the same rules as found in the constructor
 for the <A
HREF="class.variant.html"
>VARIANT</A
> class.  COM and DOTNET objects
 will have the value of their default property taken and used as the variant value.
</P
><P
>&#13; The variant arithmetic functions are wrappers around the similarly named
 functions in the COM library; for more information on these functions, consult
 the MSDN library.  The PHP functions are named slightly differently; for example
 variant_add() in PHP corresponds to VarAdd() in the MSDN documentation.
</P
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