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Multiplication Station 0.5.0 (Default branch)
02-11-2008
Multiplication Station will teach your child to add, subtract, and multiply. It is a multi-user application with a simple admin interface. All parameters are configurable, like grid size and the fonts and colors of number ranges. A countdown timer is used to keep the player's attention focused. A list of high scores is maintained. License: GNU General Public License (GPL) Changes:|
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VARIANT_MUL(3) 1 VARIANT_MUL(3) variant_mul - Multiplies the values of the two variants SYNOPSIS
mixed variant_mul (mixed $left, mixed $right) DESCRIPTION
Multiplies $left by $right. PARAMETERS
o $left - The left operand. o $right - The right operand. Boolean values are converted to -1 for FALSE and 0 for TRUE. Note 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 NULL), 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 "VARIANT" class. COM and DOTNET objects will have the value of their default property taken and used as the variant value. 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(3) in PHP cor- responds to VarAdd() in the MSDN documentation. RETURN VALUES
Variant Multiplication Rules +--------------------------------------------------+--------------------------+ | If | | | | | | | Then | | | | +--------------------------------------------------+--------------------------+ |Both expressions are of the string, date, charac- | | |ter, boolean type | | | | | | | Multiplication | | | | |One expression is a string type and the other a | | |character | | | | | | | Multiplication | | | | |One expression is numeric and the other is a | | |string | | | | | | | Multiplication | | | | | Both expressions are numeric | | | | | | | Multiplication | | | | | Either expression is NULL | | | | | | | NULL is returned | | | | | Both expressions are empty | | | | | | | Empty string is returned | | | | +--------------------------------------------------+--------------------------+ SEE ALSO
variant_div(3), variant_idiv(3). PHP Documentation Group VARIANT_MUL(3)