not_zero
(/rs/public/functions.php)
not_zero -- Check if a value is a non-zero number.
Description
bool not_zero
($num)
This function will return boolean true if $num is numeric and is non-zero. It will return boolean false otherwise.
Examples
not_zero (3) ; /* Returns true */
not_zero (0) ; /* Returns false */
not_zero ("foo") ; /* Returns false */
not_zero (NULL) ; /* Returns false */
not_zero (0) ; /* Returns false */
not_zero ("foo") ; /* Returns false */
not_zero (NULL) ; /* Returns false */