$mul

Usage: $mul(x,y,*args)

Category: mathematical

Description:

Multiplies x by y. Can be used with an arbitrary number of arguments (i.e.: $mul(x,y,z) = (x * y) * z). If an argument is empty or not an integer, the function will return an empty string.

Example:

The following statements will return the values indicated:

$mul(1,2)      ==> "2"
$mul(1,2,3)    ==> "6"
$mul(1,2,0)    ==> "0"
$mul(1,-2,3)   ==> "-6"
$mul(-1,2,-3)  ==> "6"
$mul(1,2,)     ==> ""
$mul(1,2,x)    ==> ""
$mul(1,2.5)    ==> ""